Literature DB >> 22639539

Description and DNA barcoding of Tipula ( Pterelachisus) recondita sp. n. from the Palaearctic region (Diptera, Tipulidae).

Valentin E Pilipenko1, Jukka Salmela, Eero J Vesterinen.   

Abstract

Tipula (Pterelachisus) recondita Pilipenko & Salmela, sp. n. is described. The new species is collected from two localities: Finland, Kittilä (North boreal ecoregion) and Russia, Primorski kray (Zone of temperate broadleaf and mixed forests). Although variation in the structure of male hypopygium between the Finnish and Russian populations is observed, DNA barcode sequences differ only by three nucleotides (0.2 % K2P distance), supporting presence of one widespread species. K2P minimum distances between the new species and 17 other species of the subgenus range from 5.3 to 15.8 % (mean 8.8 %). The new species is forest-dwelling, known from an old-growth herb-rich forest (Finland) and Quercus mongolica forest (Russia). The new species is perhaps closest to Tipula (Pterelachisus) imitator Alexander and in lesser extent to Tipula (Pterelachisus) pauli Mannheims; the inner gonostylus of both species are illustrated.

Entities:  

Keywords:  COI; Crane flies; Finland; Russia; Tipulinae; taxonomy

Year:  2012        PMID: 22639539      PMCID: PMC3349062          DOI: 10.3897/zookeys.192.2364

Source DB:  PubMed          Journal:  Zookeys        ISSN: 1313-2970            Impact factor:   1.546


Introduction

Tipulidae (Diptera, Nematocera), or long-palped crane flies, are medium to large sized true flies. Globally, 4269 tipulid species and subspecies are known, of these 1322 occupying the Palaearctic region (Oosterbroek 2011). In general, northwest European tipulid fauna is rather well known (e.g. Salmela 2010, 2011). The majority of the species have large European or Palaearctic ranges, only a few species are known from Fennoscandia or Russian Karelia alone. On the other hand, certain species have disjunct occurrences in northern Fennoscandia and the East Palaearctic region (viz. Mannheims, Lundström, Alexander). () Rondani is a northern hemisphere subgenus, totaling over 200 species and subspecies (Oosterbroek 2011). Despite taxonomic monographs covering Russia (former USSR, Savchenko 1964) and Europe (Theowald 1980), the Palaearctic fauna of the subgenus includes several elusive species, known from the type locality or female specimens only. Finnish () species were reviewed by Salmela (2009) and those of the Central European territory of Russia were listed by Pilipenko (2009). The subgenus is closely allied to Edwards and Alexander, but is diagnosable due to the bare squama, grayish coloration, patterned wings and structure of male hypopygium (Theowald 1980). Savchenko (1964), dealing with the fauna of former USSR, recognized 11 species groups and two mixed groups within () and (). These subgenera were synonymized to by Alexander (1965) and later Theowald (1980) named 18 species groups from the West Palaearctic region. These species groups are mainly based on differences in the structure of male hypopygium (Theowald 1980), but no cladistic analysis or phylogeny of the species groups was provided by Theowald or authors after him. DNA barcoding is a molecular-based method used in the identification and delimitation of species, having usually considerable congruence with morphology-based identifications (Ward et al. 2006, Hausmann et al. 2011, Park et al. 2011). Furthermore, barcoding has revealed cryptic diversity within a morphospecies (Smith et al. 2006, Huemer and Hebert 2011) or indicated a presence of one species despite morphological variation within studied specimens (Memon et al. 2006). DNA barcoding has its disadvantages (Meier 2008, Skevington et al. 2007, Taylor and Harris 2012), but it may be used as an additional, and apparently very powerful, method in taxonomy (Schlick-Steiner et al. 2010). Despite the wide use of DNA barcodes in the current taxonomy and biodiversity studies, the method has been only rarely used in taxonomic studies of crane flies (Ujvárosi et al. 2009, Ujvárosi and Bálint 2012). In the present article we provide a description of Pilipenko & Salmelasp. n. collected from Europe (Finland) and Asia (Russian Far East). Both sexes of the new species are richly illustrated. In addition, mtDNA sequences (COI) were used to assess (i) the conspecific status of disjunct Finnish and Russian populations and (ii) genetic divergence between the new species and 17 consubgeneric species.PageBreak

Material and methods

Total DNA of Pilipenko & Salmela sp. n. specimens was extracted using a modified non-destructive salt extraction method (Aljanabi and Martinez 1997, Gilbert et al. 2007). Whole holotype (JES-20110034) and one paratype (JES-20110035) adult specimens and one leg from a paratype (JES-20110036) were placed on 250 μl 96-plate wells. Ethanol-stored samples were briefly dried at 60 °C. First 118 μl of sterile salt homogenizing buffer (0.4 M NaCl, 10 mM Tris-HCl pH 8.0, 2 Mm EDTA pH 8.0 and 2% SDS) containing 8 μl of 20 mg/ml proteinase K (400 μg/ml final concentration) was added into each well. The samples were incubated overnight in the buffer at 55–65 °C. After the incubation, the intact samples were removed from the buffer and placed into 99.5% ethanol to stop further digestion. Type specimens JES-20110034 and JES-20110035 were finally preserved in 70 % ethanol. Then 80 μl of 6 M NaCl (NaCl saturated H2O, pH 8) was added to each well. Samples were vortexed for 1 min at maximum speed, and centrifuged for 20 minutes at 4000 rpm. Thereafter 100 μl of supernatant was transferred to wells on a new plate. An equal volume (100 μl) of isopropanol was added to each sample and the plate was briefly vortexed. Then the plate was placed into freezer (-20 °C) for 1 hour. After freezing, the samples were centrifuged for 20 minutes at 4000 rpm. The supernatant was discarded and the pellet was washed by adding 150 μl of ice-cold 70% ethanol and centrifuging for 20 min at 4000 rpm. The ethanol was then carefully pipetted out and the pellet was dried for overnight at room temperature. The next day, DNA pellet was dissolved in 50 μl of previously warmed ultrapure water. The DNA barcode region (cythocrome oxidase subunit I) was amplified and sequenced from all specimens using universal primers LCO1490: 5’-GGGTCAACAAATCATAAAGATATTGG-3’ and HCO2198: 5’-TAAACTTCAGGGTGACCAAAAAATCA-3’ (Folmer et al. 1994). All PCR reactions were performed in a 20 μl volume containing 1 μl of DNA extract, 12.5 µl ddH2O, 2.0 µl 10x buffer, 2.0 µl MgCl2, 1.0 µl primer1 (LCO), 1.0 µl Primer 2 (HCO), 0.4 µl dNTPs, and 0.1 µl AmpliTaq Gold polymerase. The cycling profile was 95°C for 5 min, 40 cycles of 94 °C for 30 sec, 50 °C for 30 sec, 72°C for 1 min 30 sec and a final extension period of 72 °C for 10 min. Sterile water samples were used as controls in each PCR batch. All of the controls were negative. Successful PCR products were purified and sequenced by Macrogen Incorporated (South Korea). For other species (totaling 17 species and 26 specimens, Table 1) DNA barcodes were obtained at the Canadian Centre for DNA Barcoding. Legs or 2–3 abdominal segments of the specimens were placed in 96% ethanol in a 96-well lysis microplate and dispatched to the Biodiversity Institute of Ontario where DNA was extracted and sequenced using standard protocols and primers (deWaard et al. 2008). Resultant sequence data were placed into a project (HOLPT) on BOLD (http://www.boldsystems.org, Ratnasingham and Hebert 2007). These sequence records are now publically available on both BOLD and on GenBank. () specimens used in DNA barcoding (COI). Species and associated BOLD Sample ID are according to HOLPT project, available in http://www.boldsystems.org/. Co-ordinates are given in WGS84 decimal format. In order to assess the COI divergence between the new species and 17 Holarctic () species, we calculated Kimura two-parameter (K2P) (Kimura 1980) distances between all sequenced specimens. Based on K2P distances we also produced Neighbor-Joining (NJ) tree to visualize similarity of the species. We also inferred relatedness of the species with character based Maximum Likelihood (ML) method (GTR + gamma as evolutionary model, 1000 Bootstrapping replicates). However, because the NJ and ML trees were practically identical, only ML tree is presented (Fig. 1). K2P distances, NJ and ML were produced by using MEGA5 program (Tamura et al. 2011). Because one gene is far too little for reasonable phylogenetic analysis (Gatesy et al. 2007), the ML tree presented here do not reliably illustrate evolutionary relationships among the sequenced taxa.
Figure 1.

Maximum Likelihood tree based on COI sequences (mtDNA) of 17 () species. Numerical values denote to Bootstrap values after 1000 replications. In the tree Bootstrap value 26 refers to the clade including sp. n. and and value 11 refers to the clade including sp. n., , and . Scale bar: nucleotide substitutions per site.

Maximum Likelihood tree based on COI sequences (mtDNA) of 17 () species. Numerical values denote to Bootstrap values after 1000 replications. In the tree Bootstrap value 26 refers to the clade including sp. n. and and value 11 refers to the clade including sp. n., , and . Scale bar: nucleotide substitutions per site. The morphological terminology used here mainly follows Alexander and Byers (1981). Terminology of some special parts of male genitalia was taken from Frommer (1963). If not otherwise stated, measurements are given in μm. The following acrPageBreakonyms for museums and collections are used in the text: ZMKU – Zoological Museum of National Museum of Natural History, National Academy of Science of Ukraine, Kiev, Ukraine; NCBN – Netherlands Centre for Biodiversity Naturalis, Leiden, the PageBreakNetherlands; ZMUM – Zoological Museum, Moscow State University, Moscow, Russia; ZMUT – Zoological Museum, University of Turku, Turku, Finland; ZISP – Zoological Institute Russian Academy of Sciences, St. Petersburg, Russia; VPM – Private collection of Valentin Pilipenko, Moscow, Russia. Specimens were studied with a Zoom Stereo Microscope. Photographs were taken with a Canon PowerShot A640 camera and processed using Combine ZP software. All drawings were prepared from photographs. [Comparative morphological material examined. Alexander: Russia, Shikotan Island, Kray Sveta cape, 25.VII.1965, V. Ermolenko, 1 male (ZMKU); Russia, Iturup Island (Kuril Is), Kurilsk env., 5.VII.1963; Krilov & Krivolutskaya, 1 male (ZISP). Mannheims: Russia, Moscow region, Chashnikovo, 29.V.1995, V. Pilipenko, 1 male (VPM).]

Taxonomy

Pilipenko & Salmela sp. n. urn:lsid:zoobank.org:act:CFBAD0A0-AC21-4067-88E4-C15BCA35CC56 http://species-id.net/wiki/Tipula_recondita

Material examined.

Holotype: Male, in alcohol (NCBN). “Finland, Lkoc: Kittilä, Iso Mustavaara, old-growth herb-rich forest, 67.6340°N, 25.4160°E, 30.V.–1.VII. 2009, J. Salmela leg.” (white label, printed) “ sp. n./ Pilipenko & Salmela 2011/ HOLOTYPE” (white label, printed) “BOLD sample ID JES-20110034” (white label, printed). Both wings are detached. Only one leg is present, other legs are missing. Tip of abdomen is detached and, including separate sperm pump, preserved in a microvial. This microvial is in the same tube as are wings and rest of the specimen. DNA barcode (524 bp) of holotype (coded JES-20110034|FINTI034-11|): ATGCTTTTATTATAATTTTTTTTATAGTTATACCTATTATAATTGGAGGATTTGGAAATTGATTAGTACCTTTAATATTAGGTGCCCCTGATATAGCCTTTCCTCGAATAAATAATATAAGTTTTTGAATATTACCTCCTTCACTTACTCTTTTATTAGCTAGTAGTATAGTCGAAAACGGTGCGGGGACTGGATGAACCGTTTATCCCCCACTCTCATCTAGAATTGCCCATACAGGAGCTTCAGTTGATTTAGCCATTTTTTCTCTTCATTTAGCTGGAATTTCTTCAATTTTAGGAGCAGTAAATTTTATTACTACAGTAATTAATATACGATCAAGAGGAATTACTTTAGACCGAATACCTTTATTTGTTTGATCGGTAGTAATTACTGCAGTATTATTACTACTCTCTTTACCTGTATTAGCGGGAGCTATTACTATACTTTTAACTGATCGAAATTTAAATACATCATTTTTTGATCCTGCAGGAGGTGGAGATCCAATTCTTTACCAACATTTATTT

Paratypes.

Finland, Lkoc: Kittilä, Iso Mustavaara Nature reserve, herb-rich old-growth forest, 67.6340°N, 25.4160°E, 30.V.–1.VII. 2009, Malaise trap, J. Salmela leg.,PageBreak 2 males (ZMUT, in alcohol [BOLD sample ID JES-20110035] and a pinned specimen). DNA barcode (524 bp) of paratype (JES-20110035|FINTI035-11) is identical to the holotype sequence. Russia, Far East, Primorski kray, Kedrovaya Pad’, oak forest (), 43.1301°N, 131.5041°E, 7.VII. 2006 V. Pilipenko leg., 3 males and 3 females, deposited in ZSIP (BOLD sample ID JES-20110036), ZMUM, VPM. DNA barcode (524 bp) of paratype male (JES-20110036|FINTI036-11) differs from holotype at three positions (212=C, 473=T, and 515=G). In other words, intraspecific K2P distance between Finnish and Russian specimens was 0.2 %.

Diagnosis.

Rather small yellowish brown species (body length: 11 mm male, 12.3 mm female; wing length 11–12.6 mm male, 12.5–13.5 mm female). Scape, pedicel and base of 1st flagellomere yellowish, other flagellomeres brown. Caudal margin of male 9th tergite with a median notch, bearing no tooth or other elevated structures. Outer gonostylus narrow, about as long as inner gonostylus, slightly bent sub-basally. Lower beak of inner gonostylus apically rounded, black. Outer basal lobe of inner gonostylus with 3–4 stout black spines.

Description.

Male. Head gray pruinose, sparsely covered with dark hairs. Base of rostrum gray pruinose, otherwise dark brown, shining. Nasus distinct, tip with light bristles (Fig. 2a). Palpi brownish. Lengths of palpal segments (n=2): p1 128-147, p2 307-309, p3 317-365, p4 309-333 and p5 1207-1359. Scape, pedicel and base of 1st flagellomere yellowish, other flagellomeres brown. Scape cylindrical (length 442–466, width 119–120, n=2). Pedicel globular (length 132–134, width 134–135, n=2). Flagellar segments cylindrical, covered with silvery, erect and thick pubescence. Verticils black, shorter than respective segments (Fig. 2a). Lengths of flagellomeres (n=2): f1 371–398, f2 312–314, f3 298–316, f4 289–326, f5 297–324, f6 296–325, f7 291, f8 270–289, f9 257–261, f10 227–230 and f11 100. Thorax. General coloration dark brown, with gray pruinosity (Fig. 2b). Pronotum with light hairs. Prescutum with four longitudinal brown bands; lateral bands short, median bands distinctly separated. Anepisternum, katepisternum and anepimeron with dense, gray pruinosity. Scutum, scutellum, laterotergite and mediotergite unicolorous, dark brown. Coxae brown, with light hairs. Trochanters yellowish, with light hairs. Proximal part (ca. two thirds) of femora yellowish, turning dark brown toward tips. Tibiae and tarsi dark brown, spur formula 1:2:2. Tarsal claws smooth. Legs covered with dark brown – black bristles. Stem of halter yellowish, knobs infuscated. Wings with marmorate pattern, length (n= 5) 11.9 mm (11–12.6 mm), venation as in Fig. 2c. R1+2 is variable, reach or not reach Costa. Wing cells c and sc yellowish, other cells brown tinged (see Figs. 2b, 2c). Pterostigma distinct. Abdomen yellowish brown, with a narrow dorsal stripe (Fig. 2b). Hypopygium (Fig. 3a) dark brown. Caudal margin of 9th tergite with a median notch, bearing no tooth or other elevated structures (Figs. 3g–h). Caudal margin of 9th tergite oblique (Finnish specimens) or almost horizontal, truncated (Russian specimens) (Figs. 3g–h). Outer gonostylus narrow, about as long as inner gonostylus, slightly bent sub-basally (Figs. 3b, d). Lower beak of inner gonostylus apically rounded, black. Beak of inner gonostylus rather narrow and elongated in lateral view (Figs. 3b, d), tip roundish and proximal margin oblique, notched in posterior view (Fig. 3c). Outer basal lobe of inner PageBreakPageBreakPageBreakgonostylus with 3–4 stout black spines. Aedeagal guide as in Figs. 3e–f. Sperm pump hairy between posterior immovable apodemes, apex of aedeagus pointed (Figs. 3i–j).
Figure 2.

Pilipenko & Salmela, sp. n. a Holotype male, head, lateral view (Finland) b paratype male, habitus, lateral view (Russia) c paratype male, wing (Russia) d paratype female, head, dorso-lateral view (Russia) e paratype female, habitus, lateral view (Russia) f paratype female, wing (Russia). Scale bars: a, d 1 mm; c, f 2.5 mm; b, e 5 mm.

Figure 3.

Pilipenko & Salmela, sp. n., paratype males a hypopygium, lateral view (Russia) b outer and inner gonostylus, lateral view (Finland) c outer and inner gonostylus, posterior view (Finland) d outer and inner gonostylus, lateral view (Russia) e aedeagal guide, lateral view (Finland) f aedeagal guide, lateral view (Russia) g 9th tergite, dorsal view (Finland) h 9th tergite, dorsal view (Russia) i sperm pump and aedeagus, ventro-lateral view (Finland) j sperm pump and aedeagus, ventro-lateral view (Russia). Scale bars: 0.5 mm.

Female. Wing length (n=3) 12.8 mm (12.5–13.5 mm), body length (n=3) 12.3 mm (12–13 mm). Generally similar to male (Fig. 2e). Antenna short (2.4 mm), not extending to wing base (Fig. 2d). The wing’s marmorate pattern more intensive than in male (Fig. 2f). Ovipositor (Figs. 4a, b) elongate, similar to that of most other tipulines; 8th tergite dark brown, 9th tergite narrow dull dark brown, 10th tergite shining chestnut brown. 8th sternite dull dark brown anteriorly, grading to shining yellow posteriorly. Cerci narrow, yellow, slightly longer than 10th tergite. Hypogynial valves yellow, reaching mid-length of cerci, relatively wide, gradually narrowing (Fig. 4c).
Figure 4.

Pilipenko & Salmela sp. n., paratype female (Russia) a–c Mannheims d and Alexander (e, f, g, h, i). a female terminal abdominal segments and cerci, dorsal view b female terminal abdominal segments, cerci and hypovalva, lateral view c female hypovalva and 8th sternite, dorsal view d–e male inner gonostylus, lateral view f outer and inner gonostylus, posterior view g 9th tergite, dorsal view h aedeagal guide, lateral view i sperm pump and aedeagus, ventro-lateral view. Scale bars: 0.5 mm.

Pilipenko & Salmela, sp. n. a Holotype male, head, lateral view (Finland) b paratype male, habitus, lateral view (Russia) c paratype male, wing (Russia) d paratype female, head, dorso-lateral view (Russia) e paratype female, habitus, lateral view (Russia) f paratype female, wing (Russia). Scale bars: a, d 1 mm; c, f 2.5 mm; b, e 5 mm. Pilipenko & Salmela, sp. n., paratype males a hypopygium, lateral view (Russia) b outer and inner gonostylus, lateral view (Finland) c outer and inner gonostylus, posterior view (Finland) d outer and inner gonostylus, lateral view (Russia) e aedeagal guide, lateral view (Finland) f aedeagal guide, lateral view (Russia) g 9th tergite, dorsal view (Finland) h 9th tergite, dorsal view (Russia) i sperm pump and aedeagus, ventro-lateral view (Finland) j sperm pump and aedeagus, ventro-lateral view (Russia). Scale bars: 0.5 mm. Pilipenko & Salmela sp. n., paratype female (Russia) a–c Mannheims d and Alexander (e, f, g, h, i). a female terminal abdominal segments and cerci, dorsal view b female terminal abdominal segments, cerci and hypovalva, lateral view c female hypovalva and 8th sternite, dorsal view d–e male inner gonostylus, lateral view f outer and inner gonostylus, posterior view g 9th tergite, dorsal view h aedeagal guide, lateral view i sperm pump and aedeagus, ventro-lateral view. Scale bars: 0.5 mm.

Etymology.

The species epithet is from reconditus (Latin, adjective) meaning hidden, concealed. This word refers to the rarity and apparent low detectability of the new species, so far known only from two sites in the Palaearctic region.

Distribution and ecology.

Pilipenko & Salmela, sp. n. is known from North Europe (Finland) and Asia, Russian Far East. The Finnish collecting site in Kittilä, Iso Mustavaara, is a state-owned Nature Reserve (Lehtojensuojelualue), included in the Natura2000 network of conservation areas. It is part of the biogeographical province of Lkoc (Lapponia kemensis pars occidentalis) and lies in the North boreal vegetation zone. The collecting site is an old-growth mixed forest, dominated by birch (), goat willow () and Norway spruce (), with scattered aspen () trees. Lower vegetation is characterized by herbs and shrubs such as , , , , and . Decaying trees, especially goat willow and birch, are abundant in the site. The Russian collecting site is located in the Kedrovaya Pad’ Nature Reserve, within the temperate broadleaf and mixed forest zone, in an oak forest () growing on limestone outcrops on the southern slope of a mountain range. Lower vegetation is characterized by , , , , , and .

Discussion.

Pilipenko & Salmela, sp. n. is rather easily distinguished from other Holarctic () species. The new species is distinctive in characters of the male hypopygium, especially that of the 9th tergite. There are several () species with a U-shaped median notch or an emargination in the caudal margin of the tergite, but usually having a tooth or other elevated structures at the mid-point (e.g. Loew [Alexander 1919, p. 984, Salmela and Autio 2007, p. 55], Meigen [Savchenko 1964, p. 56], Alexander [Alexander 1953, Plate 1], Alexander [Alexander 1935, Plate 2]); the new species is peculiar having no such structures in the 9th tergite. Morphologically the new species is perhaps the closest to two Palaearctic species, namely and . The former species has a median notch in 9th tergite, but also a distinct tooth at the midpoint (Fig. 4g); the outer basal lobe of inner gonostylus bears one conspicuous black spine, not 3–4 smaller ones (Fig. 4e). For other differences, see Figures 4f, h, i. also has a median notch in 9th tergiPageBreakPageBreakte and a small but discernible tooth in the midpoint; the lower beak of inner gonostylus is roundish and black, but the outer basal lobe bears no stout, black spines (Fig. 4d). is known from Japan and Kuril Islands and from Europe, Altay and Russian Far East (Oosterbroek 2012, V. Pilipenko pers. obs.). Based on COI divergence, the new species is apparently rather isolated from the members of the subgenus (Fig. 1). Among the other species vs. the new species, interspecific distances varied from 5.3 % ( Lackschewitz) to 16.1 % ( Alexander). Mean of the minimum interspecific distances was 8.8 %. According to K2P divergence, the new species is closest to (5.3 %), Nielsen (5.5 %), Savchenko (6.6 %) and (6.8 %); distances between the other species range from 7.4 to 16.1 %. In other words, no very close relatives were present in the pair-wise comparisons of COI sequences. For example, much shorter interspecific K2P distances were found between / (1.5 %), / (2.2 %), / (3.7 %). However, it must be emphasized that was not included in COI analysis, due to the lack of fresh material. Given to the morphological similarity of the new species and , it is likely that their barcoding distances would be similar to those three comparisons given above. There are some morphological differences (9th tergite, inner gonostylus) between Finnish and Russian specimens, perhaps due to the long distance and lack of gene flow between the populations. These differences, however, are here considered to be intraspecific variation. Very small K2P divergence of COI gene (0.2 %) between Finnish and Russian specimens also substantiates the presence of one widespread, but disjunct, species. In rare cases (see Burns et al. 2007) differences of only one to three nucleotides may be observed between otherwise (for example morphologically and ecologically) distinct species. However, in this case we were able to produce 524 bp of high quality sequence, instead of <400 as in the problematic cases of Burns et al. (2007). Moreover, the known biologies of the Finnish and Russian individuals seem alike. To say more of the COI variation, it would be essential to collect more individuals which is rather difficult, given the rarity of the species. The new species is most probably a very rare tipulid. Despite the rather long tradition of crane fly taxonomy and faunistics in North Europe, this species has hitherto remained unnoticed. One of the authors (JS) has within 12 years identified some 70 000 crane flies from a Finnish Malaise trapping material consisting of 476 sampling sites and ca. 1670 Malaise trapping months. Thus, despite this relatively large sampling effort, only three specimens from a single locality have been caught. The true range of the species is Palaearctic, whether disjunct or not remains to be seen. In Northwestern Europe the species is likely to occur in the north boreal zone (for further information on boreal ecoregions or vegetation zones, see e.g. Ahti et al. 1968). Pilipenko & Salmela, sp. n. may be confined to old-growth forests, and its rarity is perhaps due to the narrow habitat niche. On the other hand, the new species may be hard to collect using traditional methods. Larval associations of this species are unknown, but some () species are saproxylic, i.e. dependent on decaying trees. Such species are e.g. Goetghebuer and Savchenko (Salmela 2009), both of them also encountered in the type locality. PageBreakTo our regret we were not able to examine the holotype male of (D. Furth, pers. comm.). Description of that species was based on a single male specimen (Alexander 1953). We have however examined other material (two male specimens, see above) that very likely represents . Despite morphological similarity of Pilipenko & Salmela, sp. n. and , we are confident that these are separate taxa, due to the differences in the structure of male hypopygium.
Table 1.

() specimens used in DNA barcoding (COI). Species and associated BOLD Sample ID are according to HOLPT project, available in http://www.boldsystems.org/. Co-ordinates are given in WGS84 decimal format.

Sample ID, speciesYearCountryLocalityNE
JES-20110456|Tipula_cinereocincta2005FinlandHeinävesi62.41928.596
JES-20120024|Tipula_cinereocincta2007FinlandSavonranta62.25128.877
JES-20120065|Tipula_angulata2006CanadaOntario45.483-76.081
JES-20120064|Tipula_entomophthorae2003CanadaManitoba54.9-101.43
JES-20120004|Tipula_jutlandica2008FinlandParikkala61.56529.559
JES-20110501|Tipula_laetibasis2002FinlandTuupovaara62.44230.606
JES-20110497|Tipula_luridorostris2006FinlandTaivalkoski65.78528.321
JES-20120011|Tipula_mats._pseudohortensis2007FinlandInkoo60.01823.822
JES-20110475|Tipula_mats._pseudohortensis2007FinlandSiuntio60.21324.135
JES-20110092|Tipula_mutila2009FinlandEnontekiö68.63922.552
JES-20110204|Tipula_mutila2008FinlandKiuruvesi63.5226.69
JES-20120095|Tipula_mutila2007FinlandKittilä68.3324.64
JES-20120014|Tipula_octomaculata2008FinlandLieksa63.21730.218
JES-20120031|Tipula_octomaculata2006FinlandTaivalkoski65.69328.32
JES-20110494|Tipula_pauli2007RussiaPrimorski kray47.94137.72
JES-20110495|Tipula_pauli1995RussiaMoscow region56.0237.11
JES-20110502|Tipula_pseudovariipennis2006LatviaTukums56.99823.003
JES-20110035|Tipula_recondita_sp._n2009FinlandKittilä67.63425.416
JES-20110034|Tipula_recondita_sp._n2009FinlandKittilä67.63425.416
JES-20110036|Tipula_recondita_sp._n2006RussiaPrimorski kray43.125131.4
JES-20120038|Tipula_stenostyla2009FinlandKittilä67.63425.416
JES-20110408|Tipula_submarmorata2009FinlandJyväskylä62.23625.679
JES-20120041|Tipula_truncorum2010FinlandEnontekiö69.18321.521
JES-20110345|Tipula_varipennis2007FinlandRanua66.01726.852
JES-20120032|Tipula_varipennis2005FinlandJyväskylä62.21325.793
JES-20110401|Tipula_varipennis2009FinlandJyväskylä62.23625.679
JES-20110222|Tipula_wahlgreni2008FinlandKiuruvesi63.5226.69
JES-20110450|Tipula_winthemi2009FinlandLammi61.09125.002
JES-20120026|Tipula_winthemi2008FinlandVirolahti60.46527.426
  14 in total

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Authors:  M Alex Smith; Norman E Woodley; Daniel H Janzen; Winnie Hallwachs; Paul D N Hebert
Journal:  Proc Natl Acad Sci U S A       Date:  2006-02-27       Impact factor: 11.205

2.  How many genes should a systematist sample? Conflicting insights from a phylogenomic matrix characterized by replicated incongruence.

Authors:  John Gatesy; Rob DeSalle; Niklas Wahlberg
Journal:  Syst Biol       Date:  2007-04       Impact factor: 15.683

Review 3.  Integrative taxonomy: a multisource approach to exploring biodiversity.

Authors:  Birgit C Schlick-Steiner; Florian M Steiner; Bernhard Seifert; Christian Stauffer; Erhard Christian; Ross H Crozier
Journal:  Annu Rev Entomol       Date:  2010       Impact factor: 19.686

4.  MEGA5: molecular evolutionary genetics analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods.

Authors:  Koichiro Tamura; Daniel Peterson; Nicholas Peterson; Glen Stecher; Masatoshi Nei; Sudhir Kumar
Journal:  Mol Biol Evol       Date:  2011-05-04       Impact factor: 16.240

5.  DNA barcoding Australia's fish species.

Authors:  Robert D Ward; Tyler S Zemlak; Bronwyn H Innes; Peter R Last; Paul D N Hebert
Journal:  Philos Trans R Soc Lond B Biol Sci       Date:  2005-10-29       Impact factor: 6.237

6.  A simple method for estimating evolutionary rates of base substitutions through comparative studies of nucleotide sequences.

Authors:  M Kimura
Journal:  J Mol Evol       Date:  1980-12       Impact factor: 2.395

7.  DNA primers for amplification of mitochondrial cytochrome c oxidase subunit I from diverse metazoan invertebrates.

Authors:  O Folmer; M Black; W Hoeh; R Lutz; R Vrijenhoek
Journal:  Mol Mar Biol Biotechnol       Date:  1994-10

8.  Barcoding bugs: DNA-based identification of the true bugs (Insecta: Hemiptera: Heteroptera).

Authors:  Doo-Sang Park; Robert Foottit; Eric Maw; Paul D N Hebert
Journal:  PLoS One       Date:  2011-04-15       Impact factor: 3.240

9.  DNA extraction from dry museum beetles without conferring external morphological damage.

Authors:  M Thomas P Gilbert; Wendy Moore; Linea Melchior; Michael Worobey
Journal:  PLoS One       Date:  2007-03-07       Impact factor: 3.240

10.  bold: The Barcode of Life Data System (http://www.barcodinglife.org).

Authors:  Sujeevan Ratnasingham; Paul D N Hebert
Journal:  Mol Ecol Notes       Date:  2007-05-01
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1.  Species and abundance of ectoparasitic flies (Diptera) in pied flycatcher nests in Fennoscandia.

Authors:  Tapio Eeva; Tommi Andersson; Åsa M M Berglund; Jon E Brommer; Raimo Hyvönen; Tero Klemola; Toni Laaksonen; Olli Loukola; Chiara Morosinotto; Kalle Rainio; Päivi M Sirkiä; Eero J Vesterinen
Journal:  Parasit Vectors       Date:  2015-12-21       Impact factor: 3.876

2.  Unveiling of a cryptic Dicranomyia (Idiopyga) from northern Finland using integrative approach (Diptera, Limoniidae).

Authors:  Jukka Salmela; Kari M Kaunisto; Varpu Vahtera
Journal:  Biodivers Data J       Date:  2014-12-03

3.  Table for five, please: Dietary partitioning in boreal bats.

Authors:  Eero J Vesterinen; Anna I E Puisto; Anna S Blomberg; Thomas M Lilley
Journal:  Ecol Evol       Date:  2018-10-12       Impact factor: 2.912

4.  Accelerating innovative publishing in taxonomy and systematics: 250 issues of ZooKeys.

Authors:  Terry Erwin; Lyubomir Penev; Pavel Stoev; Teodor Georgiev
Journal:  Zookeys       Date:  2012-12-18       Impact factor: 1.546

5.  Pellets of proof: First glimpse of the dietary composition of adult odonates as revealed by metabarcoding of feces.

Authors:  Kari M Kaunisto; Tomas Roslin; Ilari E Sääksjärvi; Eero J Vesterinen
Journal:  Ecol Evol       Date:  2017-09-14       Impact factor: 2.912

6.  Two new species of Tipula (Vestiplex) from Southern China based on morphological and molecular data, with redescription of Tipula (Vestiplex) bicalcarata (Diptera, Tipulidae, Tipulinae).

Authors:  Qiu-Lei Men; Chen W Young; Pavel Starkevich; Yong-Fu Yu; Xiao-Ping Lei
Journal:  Zookeys       Date:  2017-02-23       Impact factor: 1.546

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