Neocolochelyna Konow

Niu, Gengyun, Wei, Meicai, Shinohara, Akihiko & Naito, Tikahiko, 2016, Revision of Neocolochelyna Malaise (Hymenoptera: Tenthredinidae), Zootaxa 4127 (3), pp. 432-456 : 434-435

publication ID	https://doi.org/ 10.11646/zootaxa.4127.3.2
publication LSID	lsid:zoobank.org:pub:03EB28E9-8837-4E86-AF5A-37B3FC7F9B81
DOI	https://doi.org/10.5281/zenodo.6074244
persistent identifier	https://treatment.plazi.org/id/03811A52-B204-E530-FF19-66FEFA27FA39
treatment provided by	Plazi
scientific name	Neocolochelyna Konow
status

Treatment

Key to species of Neocolochelyna Konow

1 Claw with inner tooth clearly shorter than outer tooth ( Figs 7 View FIGURE 7 d–i); occipital carina present in lower 0.3 or absent; vein 1M as long as vein 1m-cu; cell A of forewing strongly constricted at basal 0.25, where distance between veins 1A and 2A+3A about 2–3 times as broad as 2A+3A at same position; apex of labrum broadly round ( Figs 4 View FIGURE 4 b, e, h; Figs 5 View FIGURE 5 b, e, h). Subgenus Curvatapenis Wei........................................................................................... 2

- Claw with inner tooth clearly longer than outer tooth ( Figs 7 View FIGURE 7 a–c); occipital carina present in lower half of hind orbit; vein 1M clearly shorter than vein 1m-cu; cell A of forewing weakly constricted at basal 0.25, where distance between veins 1A and 2A+3A about 4–5 times as broad as 2A+3A at same position; apex of labrum subtriangular ( Figs 3 View FIGURE 3 b, e, h). Subgenus Neocolochelyna Konow. ...................................................................................... 5

2 Mesoscutellum coarsely punctured without interspaces, mat ( Figs 6 View FIGURE 6 g–i); head coarsely punctured or densely rugose, mat, narrow smooth interspaces absent ( Figs 5 View FIGURE 5 a–i); hairs on dorsum of head and mesopleuron very dense, longer than diameter of median ocellus or distinctly curved at apex; at least basal 0.3 of antenna black; distance between antennal sockets as long as distance between antennal socket and inner margin of eye; abdominal tergites 3–7 largely black brown to black, pale posterior margin less than 0.3 times length of tergite, tergite 1 almost entirely black; body length about 13 mm in female and about 10– 12 mm in male........................................................................................ 3

- Mesoscutellum and head densely punctured with narrow but distinct smooth and shiny interspaces, not mat ( Figs 3–4 View FIGURE 3 View FIGURE 4 ); hairs on dorsum of head and mesopleuron straight, not very dense, shorter than diameter of median ocellus, apex not curved; basal 0.25

of antenna distinctly paler than apical 0.75; distance between antennal sockets clearly shorter than distance between antennal socket and inner margin of eye; abdominal tergites 3–7 narrowly black brown at base, pale posterior stripe not less than 0.6 times length of tergite, broad posterior margin of tergite 1 pale brown; body length: female about 16 mm, male 13–14 mm .. 4 3 Eyes small, distance between them at level of lateral corner of clypeus about 1.3–1.4 times as long as longest axis of eye ( Figs 5 View FIGURE 5 e, 5h); antenna largely or entirely black, outer side of antennomeres 4–9 with shallow but distinct longitudinal furrow; abdominal tergite 1 with long and dense hairs, surface strongly and densely microsculptured mixed with small and indistinct punctures, mat ( Figs 6 View FIGURE 6 h, i); pale posterior margin of tergites 3–7 about 0.3 times length of tergite; wings almost entirely hyaline; middle fovea indistinct; mesepisternum strongly elevated at middle with a blunt but distinct ridge; ventral half of mesepisternum strongly microsculptured, mat; male: dorsum of abdominal tergite 2 with a large middle black spot ( Fig. 6 View FIGURE 6 i); male: dorsum of abdominal tergite 2 with a large middle black spot ( Fig. 6 View FIGURE 6 i); female: dorsum of abdominal tergite 2 yellow brown without large black spot ( Fig. 6 View FIGURE 6 h), pronotum largely yellow white. China: Hubei, Sichuan.................................................................................................... N. (C.) hyalina Niu & Wei , sp. nov.

- Eyes medium sized, distance between them at level of lateral corner of clypeus about 1.1 times as long as longest axis of eye ( Fig. 5 View FIGURE 5 b); apical 0.75 of antenna entirely yellow brown, outer side of antennomeres 4–9 without longitudinal furrow; abdominal tergite 1 with short and sparse hairs, middle area and lateral with some large and deep punctures mixed with microsculpture, surface weakly shiny, not mat ( Fig. 6 View FIGURE 6 g); pale posterior margin of tergites 3–7 less than 0.15 times length of tergite; anterior half of forewing strongly infuscate; middle fovea distinct; mesepisternum hardly elevated at middle, without distinct ridge; ventral half of mesepisternum hardly microsculptured, distinctly shiny; male tergite 2 entirely yellow brown, without black macula dorsally and ventrally ( Fig. 6 View FIGURE 6 g); female unknown. China: Gansu............ N. (C.) wui Niu & Wei , sp. nov.

4 Antennomere 3 1.2 times as long as apical 4 antennomeres together (in male, female unknown); postocellar area flat, lateral furrows of postocellar area shallow and obscure; POL: OOL: OCL= 15: 40: 35 ( Fig. 4 View FIGURE 4 a); dorsal hook of penis valve almost straight, middle tubercle of valviceps short and distinctly convex (Fig. 10c). China: Shaanxi, Henan.................................................................................................. N. (C.) testaceoa ( Wei, 2002)

- Antennomere 3 0.9 times (in male) or 0.8 times (in female) as long as apical 4 antennomeres together; postocellar area distinctly elevated, lateral furrows of postocellar area deep and broad; POL: OOL: OCL= 15: 25: 26 (female) or 15: 29: 30 (male) ( Figs 4 View FIGURE 4 d, 4g); dorsal hook of penis valve distinctly curved, middle tubercle of valviceps long and weakly convex (Fig. 10e). Japan.......................................................................... N. (C.) itoi Takeuchi, 1951

5 Clypeus with a blunt middle ridge, anterior margin with a distinct middle tooth ( Figs 3 View FIGURE 3 e, 3h); mesoscutellum about 4 times as long as median length of mesoscutellar appendage, anterior corner obtusely truncate, weakly protruding ( Figs 6 View FIGURE 6 b–c); apex of labrum acute ( Figs 3 View FIGURE 3 e, 3h); antennomere 3 about 1.1 times as long as antennomeres 6–9 together; eyes small, distance between eyes at level of anterior tentorial pits 1.5 times as long as longest axis of eye in female ( Fig. 3 View FIGURE 3 e); posterior half of frons and upper inner orbit in female yellow brown ( Fig. 3 View FIGURE 3 d); mesepisternum in both sexes black with a distinct yellow brown macula near upper corner; lateral furrows of postocellar area distinctly curved, subparallel in posterior 0.6 ( Figs 3 View FIGURE 3 d, 3g); posterior margin of postocellar area elevated; apex of inner tibial spur of fore leg very shallowly incised ( Figs 7 View FIGURE 7 k–l); triangular middle lobe of sternite 7 broad and large, much broader than lateral deeply concaved posterior margin of sternite 7 ( Fig. 8 View FIGURE 8 l); lancet as Fig. 8 View FIGURE 8 d; apical margin of subgenital plate round. China: eastern Tibet.................. N. (N.) acutilabria Niu & Wei , sp. nov.

- Clypeus flat, anterior margin without distinct middle tooth ( Fig. 3 View FIGURE 3 b); mesoscutellum about 6 times as long as median length of mesoscutellar appendage, anterior corner roundly and strongly protruding ( Figs 6 View FIGURE 6 a); apex of labrum narrowly obtuse ( Fig. 3 View FIGURE 3 b); antennomere 3 about 0.9 times as long as antennomeres 6–9 together; eyes large, distance between eyes at level of anterior tentorial pits 1.2 times as long as longest axis of eye in female( Fig. 3 View FIGURE 3 b); frons and inner orbit in female entirely black ( Fig. 3 View FIGURE 3 a); mesepisternum in female black, without yellow brown macula near upper corner; lateral furrows of postocellar area straight, strongly divergent backwards in entire length ( Fig. 3 View FIGURE 3 a); posterior margin of postocellar area flat; apex of inner tibial spur of fore leg deeply incised ( Fig. 7 View FIGURE 7 j); triangular middle lobe of sternite 7 small, much narrower than lateral straight posterior margin of sternite 7 ( Fig. 8 View FIGURE 8 k); lancet as Fig. 8 View FIGURE 8 c; apical margin of subgenital plate subtruncate. India: Sikkim............................................................................................... N. (N.) montana ( Konow, 1898)