Doryctes Haliday

Belokobylskij, Sergey A., Tang, Pu, He, Jun-Hua & Chen, Xue-Xin, 2012, The genus Doryctes Haliday, 1836 (Hymenoptera: Braconidae, Doryctinae) in China, Zootaxa 3226, pp. 46-60 : 47-48

Key to species of Doryctes Haliday from China

1. Pterostigma pale brown or yellow apically, rarely entirely yellow ( Figs 8 , 16 , 37 ). Fore wing vein CU1b distinctly slanted towards base of wing ( Figs 8 , 16 , 37 ). Mesoscutum with sparse, long and semi-erect or erect setae along notauli and marginally, rather widely glabrous medially on its lobes ( Figs 7 , 18 , 35 ). Third tergite often with wide crenulate subbasal transverse depression ( Figs 11 , 17 , 40 )............................................................................. 2

- Pterostigma brown apically, often entirely dark brown or black ( Fig. 27 ). Fore wing vein CU1b more or less perpendicular to 2-1A, rarely weakly slanted towards base of wing ( Fig. 28 ). Mesoscutum entirely with short, dense and semi-erect setae, usually without glabrous areas on its lobes ( Fig. 25 ). Third tergite without wide crenulate subbasal transverse depression ( Fig. 29 ) (Subgenus Doryctes s. str.).............................................................................. 6

2. Hind wing vein M+CU distinctly shorter than vein 1-M ( Fig. 38 ) (Subgenus Neodoryctes Szépligeti )................... 3

- Hind wing vein M+CU equal to or longer than vein 1-M ( Figs 9 , 16 ) (Subgenus Plyctes Fischer )....................... 4

3. Ocelli arranged in almost equilateral triangle ( Fig. 33 ). Mesoscutum finely and densely granulate-reticulate ( Fig. 35 ). Precoxal sulcus running along almost entire lower part of mesopleuron ( Fig. 36 ). Fore wing vein CU1a arising from middle of distal margin of first subdiscal cell ( Fig. 37 ). Suture between second and third tergites without distinct sublateral bends ( Fig. 40 ). Hind coxa dorsally without tooth. Ovipositor sheath 0.45 times as long as metasoma and 0.3 times as long as fore wing ( Fig. 31 ). Body length 5.2 mm. China (Yunnan)............................................. D. (N.) yunnanicus sp. nov.

- Ocelli arranged in triangle with base distinctly larger than its sides. Mesoscutum mostly smooth. Precoxal sulcus running along anterior 0.5–0.7 of lower part of mesopleuron. Fore wing vein CU1a arising distinctly behind middle of distal margin of first subdiscal cell. Suture between second and third tergites with rather distinct sublateral bends. Hind coxa dorsally with more or less distinct tooth. Ovipositor sheath 1.2–1.5 times as long as metasoma and 0.85–1.15 times as long as fore wing. Body length 5.8–11.5 mm. China (Shaanxi, Henan, Zhejiang, Guizhou, Fujian, Guangdong, Taiwan); Japan.................................................................................................... D. (N.) denticoxa Belokobylskij

4. Face almost smooth ( Fig. 14 ). Length of first tergite almost equal to its maximum width ( Fig. 17 ). Median length of second tergite 0.3 times its basal width, 0.6 times length of third tergite ( Fig. 17 ). Ovipositor sheath shorter, 0.8 times as long as metasoma and 0.5 times as long as fore wing ( Fig. 13 ). Hind tibia yellow basally. Body length 5.8–6.4 mm. China (Hainan)..................................................................................... D. (P.) hainanensis sp. nov.

- Face distinctly and densely transversely striate and with fine and dense rugulosity between striae ( Fig. 3 ). Length of first tergite 1.2–1.4 times its maximum width ( Fig. 11 ). Median length of second tergite 0.4–0.5 times its basal width, 0.8–0.9 times length of third tergite ( Figs 11, 12 ). Ovipositor sheath longer, 0.9–1.2 times as long as metasoma and 0.6–0.9 times as long as fore wing ( Fig. 1 ). Hind tibia dark basally ( Fig. 2 )............................................................... 5

5. Pterostigma medially widely brown, yellow basally and apically. Temple short, eye 1.4–1.6 times as long as temple in dorsal view. Setae on dorsal margin of hind tibia long, their length 1.4–1.8 times maximum width of tibia. Hind tarsus almost as long as hind tibia. Second segment of hind tarsus 1.1–1.3 times as long as fifth segment (except pretarsus). First tergite short, its length 1.15–1.30 times maximum width. Body length 4.4–9.2 mm. China (Yunnan, Guangxi, Guangdong, Fujian); Japan, Vietnam, Malaysia, Indonesia, India.................................................... D. (P.) malayensis Fullaway

- Pterostigma entirely yellow ( Fig. 8 ). Temple long, eye 1.3 times as long as temple in dorsal view ( Fig. 4 ). Setae on dorsal margin of hind tibia short, their length 0.8–1.0 times maximum width of tibia ( Fig. 2 ). Hind tarsus 1.2 times as long as hind tibia. Second segment of hind tarsus 1.6 times as long as fifth segment (except pretarsus). First tergite long, its length 1.4 times maximum width ( Fig. 11 ). Body length 8.0 mm. China (Yunnan).............................. D. (P.) flavistigma sp. nov.

6. First tergite long, its length 1.4–1.9 times maximum width. Body distinctly elongate................................ 7

- First tergite short, its length 0.9–1.3 times maximum width ( Figs 29, 30 ). Body usually weakly elongate................. 9

7. Head of both sexes red or brownish red. Fore wing almost entirely and distinctly darkened. Second tergite striate-rugose in basal semi-oval area. Third tergite entirely smooth. Body length 5.0– 10.5 mm. China (Heilongjiang, Jilin, Liaoning, Shaanxi, Henan, Zhejiang); Kazakhstan, Russia............................................... D. (D.) petiolatus Shestakov

- Head of both sexes black or dark reddish brown, sometimes pale ventrally. Fore wing hyaline or faintly darkened. Second tergite entirely striate or rugose-striate (its sides often almost smooth). Third tergite in basal 0.2–0.5 striate.................. 8

8. First tergite of metasoma shorter, its length 1.4 times as long as maximum width. Ovipositor sheath slightly longer than metasoma. Palpi dark brown. Legs almost entirely black; hind tibiae basally contrasted pale. Body length 10.0 mm. China (Gansu); Mongolia........................................................................ D. (D.) hedini (Fahringer)

- First tergite of metasoma longer, its length 1.6–1.9 times as long as maximum width. Ovipositor sheath much longer than metasoma. Palpi light brown. Legs light reddish brown, but hind tibia and tarsus black; hind tibiae basally not contrastingly pale. Body length 5.0–11.0 mm. China (Jilin, Heibei, Zhejiang); Russia, Kazakhstan.......................................................................................... D. (D.) gyljak Shestakov (= D. strigosus Chen and Shi )

9. Ovipositor sheath 1.5 times as long as metasoma and 0.8 times as long as fore wing; its sheath in very dense, rather long and dark setosity ( Fig. 20 ). Ocelli in triangle with base 1.6 times its sides ( Fig. 23 ). Hind tarsus 1.2 times as long as hind tibia. Second segment of hind tarsus 2.5 times as long as fifth segment (except pretarsus). Body length 6.5 mm. China (Henan)........................................................................................ D. (D.) mayunae sp. nov.

- Ovipositor sheath 0.4–1.0 times as long as metasoma and 0.25–0.55 times as long as fore wing; its sheath in less dense, rather short and more or less pale setosity. Ocelli in triangle with base 1.1–1.3 times its sides. Hind tarsus 0.85–1.00 times as long as hind tibia. Second segment of hind tarsus 1.4–1.8 times as long as fifth segment (except pretarsus).................... 10

10. Second tergite apically always striate. Third tergite with distinct semi-circular striation at least medially................ 11

- Second tergite apically usually smooth. Third tergite smooth or sometimes with more or less longitudinal striation........ 12

11. Head just behind eyes distinctly narrowed. Temple short, transverse diameter of eye 1.3–1.4 times longer than temple. Ocelli large, POL 1.0–1.2 times Od. Second radiomedial cell rather short, 2.0–2.2 times longer than its maximum width. Body length 3.2–6.2 mm. China (Zhejiang); Japan.................................................... D. (D.) yogoi Watanabe

- Head just behind eyes subparallel or weakly convex, then weakly narrowed. Temple long, transverse diameter of eye 1.0–1.2 (rarely 1.3) times as long as temple. Ocelli small, POL 1.4–2.0 times Od. Second radiomedial cell long, 2.4–2.8 times longer than its maximum width. Body length 4.4–7.3 mm. China (Heilongjiang, Jilin, Gansu); Czechia, France, Germany, Hungary, Italy, Japan, Kazakhstan, Korea, Lithuania, Moldova, Mongolia, Poland, Russia, Slovakia, Sweden, Switzerland, Turkey, United Kingdom............................................................... D. (D.) undulatus (Ratzeburg)

12. Head entirely punctate. First flagellar segment 3.6–3.8 times as long as its apical width, as long as or slightly shorter than second segment. Hind femur 3.4–3.5 times as long as wide. Hind tarsus longer than hind tibia. Body length 5.4–6.7 mm. China ( Taiwan)....................................................................... D. (D.) henryi Belokobylskij

- Head almost entirely smooth. First flagellar segment 2.7–3.4 times as long as its apical width, longer than second segment. Hind femur 3.0–3.2 times as long as wide. Hind tarsus shorter than hind tibia. Body length 3.9–7.9 mm. China (Heilongjiang, Jilin, Guizhou); Austria, Belgium, Bulgaria, Czecholsovakia, Finland, France, Germany, Hungary, Italy, Japan, Lithuania, Poland, Russia, Slovakia, Sweden, Switzerland, Ukraine, United Kingdom..................... D. (D.) striatellus (Nees)

Figures

FIGURES 1 – 12. Doryctes (Plyctes) flavistigma sp. nov. 1, habitus, lateral aspect; 2, hind tibia, lateral aspect; 3, head, front aspect; 4, head, dorsal aspect; 5, basal segments of antenna; 6, mesosoma, lateral aspect; 7, mesosoma, dorsal aspect; 8, fore wing; 9, hind wing; 10, subdiscal cell of fore wing; 11, metasoma, dorsal aspect; 12, second and third tergites of metasoma, dorsal aspect.

FIGURES 13 – 19. Doryctes (Plyctes) hainanensis sp. nov. 13, habitus, lateral aspect; 14, head, front aspect; 15, head, dorsal aspect; 16, fore and hind wings; 17, metasoma, dorsal aspect; 18, mesosoma, dorsal aspect; 19, mesosoma, lateral aspect. Scale bar 5 mm.

FIGURES 31 – 41. Doryctes (Neodoryctes) yunnanicus sp. nov. 31, habitus, lateral aspect; 32, head, front aspect; 33, head, dorsal aspect; 34, basal segments of antenna; 35, mesosoma, dorsal aspect; 36, mesosoma, lateral aspect; 37, fore wing; 38, hind wing; 39, median part of fore wing; 40, metasoma, dorsal aspect; 41, propodeum and first-third tergites of metasoma, dorsal aspect.

FIGURES 20 – 30. Doryctes (Doryctes) mayunae sp. nov. 20, habitus, lateral aspect; 21, hind tibia, lateral aspect; 22, head, front aspect; 23, head, dorsal aspect; 24, basal segments of antenna; 25, mesosoma, dorsal aspect; 26, mesosoma, lateral aspect; 27, fore and hind wings; 28, subdiscal cell of fore wing; 29, metasoma, dorsal aspect; 30, propodeum and first tergite of metasoma, dorsal aspect.