Pachyprotasis formosana

Zhong, Yihai & Wei, Meicai, 2010, The Pachyprotasis formosana group (Hymenoptera, Tenthredinidae) in China: identification and new species, Zootaxa 2523, pp. 27-49 : 30-31

Key to species of formosana group

1 Supra-antennal tubercles wanting or indistinctly raised ............................................................................................... 3

- Supra-antennal tubercles distinctly raised .................................................................................................................... 2

2 Thorax red, the mesonotal lateral lobes, most of metanotum and metasternum black; a paired spot on metasternum and a sometimes wanting spot in front on each side of the mesopleura white. Punctures on mesopleura fine, scattered. Burma....................................................................................................................... P . rufipleuris Malaise, 1945

- General color of thorax black, without red; mesonotum and metanotum with yellow-white spots; other white parts are: large L shape spot on middle of mesepisternum, outer side of mesepimeron, pectus. Punctures on mesopleura rather large, distinct. China (Yunnan, Tibet); Burma, India.............................................. P . versicolor Cameron, 1876

3 Anal cell of hind wing not petiolate.............................................................................................................................. 4

- Anal cell of hind wing petiolate.................................................................................................................................... 5

4 Apex of antennae white, but ventral side of flagellomere 9 dark brown in the male; white spots on tergites 1–7 discrete; metatibiae black, dorsal part of hind tibia just before apex with white spots. China (Shaanxi) ........................... ............................................................................................................................. P . fopingensis Zhong & Wei sp. nov.

- Apex of flagellomere 6 and all of flagellomere 7 black, flagellomere 8 and 9 white; white spots on tergites 1–7 continuous, metatibiae black, without white spot. China (Guizhou); Burma, India.................. P . birmanica Forsius, 1936

5 Pectus black or yellow-white, without red.................................................................................................................... 6

- Pectus, tergite 3 except laterally red. Face raised into a subpyramidal tubercle exactly between the antennae. Burma.......................................................................................................................................... P. tuberculata Malaise, 1945

6 Hind legs red-brown ................................................................................................................................................... 11

- Hind legs black or yellow-white, without red............................................................................................................... 7

7 Last or last two flagellomeres white ............................................................................................................................. 8

- Last or last two flagellomeres black, in the male ventral side of antennae sometimes pale or pale brown ................. 9

8 Mesoscutellum without middle furrow; dorsal spots on tergites 2–7 discrete in the female, in the male dorsal spots on tergites confluent; whole of flagellomeres 1– 2 and basal half of flagellomere 3 black in the female, ventral sides of antennomeres 1–5 white in the male; serrulae not flat; punctures on mesepisternum fine, interspaces strongly shining, without microsculpture. China (Guizhou) .................................................. P . bicoloricornis Wei & Nie, 2002

- Top of mesoscutellum with deep middle furrow; spots on dorsal side of tergites 3–7 confluent; ventral sides of flagellomeres 1–4 yellow white; serrulae flat; mesepisternum with distinct microsculpture, punctures minute and shallow. China (Hubei) ................................................................................. P . maculoannulata Zhong & Wei sp.nov.

9 Flagellomere 1 shorter than flagellomere 2 ................................................................................................................ 10

- Flagellomere 1 longer than flagellomere 2; punctures on and around frontal area coarse and dense; mesoscutellum pyramidally raised and without sharp lateral carinas, the apex with a broad and shallow, longitudinal incision; metatibiae black, middle part with a broad white ring. China (Sichuan) ....................................... P . emdeni ( Forsius, 1931)

10 Punctures on head extremely minute. mesoscutellum entirely pale and lateral ridges also pale; abdomen impunctate; antennae black, antennomeres 3–4 white in the female; scapus and pedicel ventrally, antennomeres 3–5 except dorsal surfaces and basal part of antennomere 6 white in the male, lancet with protruding teeth, middle serrula with 9– 11 posterior sub-basal teeth. China (Zhejinag, Henan, Hunan, Sichuan, Yunnan), Burma, India.................................. ........................................................................................................................................ P . alboannulata Forsius, 1935

- Head with large, distinct punctures; mesoscutellum pale except its posterior slope and lateral ridges, which are black; abdomen with distinct, isolated punctures on lateral sides of tergites 3–6; apical 3/5 of antennomere 3, antennomeres 4–5 white in the female; lancet with small, indistinct protruding teeth, middle serrula with 19–20 posterior subbasal teeth. India................................................................................................. P . sikkimensis Saini & Kalia, 1989

11 Mesepisternum with broad white band, central part of pectus white ......................................................................... 12

- Mesepisternum and pectus black, without white ........................................................................................................ 14

12 Flagellomere 1 shorter than flagellomere 2 ................................................................................................................ 13

- Flagellomere 1 much longer than flagellomere 2; apex of flagellomeres 4 and the last 3 flagellomeres white; mesepisternum with a large longitudinal white band; head shining, the middle area with distinct and dense punctures; punctures on mesepisternum large, distinct and space between punctures with distinct microsculpture. China (Zhejiang, Fujian, Taiwan, Sichuan) .......................................................................................... P. formosana Rohwer, 1916

13 Head on and around the frontal area with separate, distinct punctures; surface between the larger punctures with faint microsculpture; the three apical flagellomeres white; a rounded spot of bright rusty-red color extends over most of labrum and the anterior half of clypeus; lancet with strong, protruding teeth. Burma............................................... ........................................................................................................................................ P. rubribuccata Malaise, 1945

- Head polished and strongly shining, mostly impunctate, but on some specimens with isolated, hardly visible minute punctures; flagellomeres 4 and 5 white, the two apical ones black; clypeus and labrum white, the anterior margin of clypeus black; lancet with short sparse teeth. India......................................................... P. multilineata Malaise, 1945

14 Flagellomere 1 equal to or longer than flagellomere 2; hind coxa yellow-white or yellow-brown ........................... 15

- Flagellomere 1 shorter than flagellomere 2; hind coxa entirely black; clypeus black except posterolateral sides; head on and around the frontal area with distinct punctures; punctures on upper part of mesepisternum larger and deeper than on head. China (Yunnan) ................................................................................ P. nigricoxis Zhong & Wei sp. nov.

15 Apex of flagellomere 4 and the last three flagellomeres white; posterior margins of all tergites white; veins and stigma black-brown; punctures on frontal area deep, distinct; median fovea pit-like. China (Jiangxi, Zhejiang, Fujian, Guangxi, Hunan, Sichuan, Guizhou) ............................................................................. P. nanlingia Wei, 2006

- Apex of flagellomere 3, flagellomere 4 except basal half on dorsal side, all of flagellomeres 5–7 white; tergites 1–6 completely black; costa, subcosta, R1 and base of stigma brown, other part of stigma and remaining veins blackbrown; punctures on frontal area shallow; median fovea absent. China (Hubei) ........................................................... ........................................................................................................................... P . altantennata Zhong & Wei sp. nov.