The discovery of the genus Protodacnusa Griffiths, 1964 (Hymenoptera: Braconidae, Alysiinae) in China, with descriptions of six new species Author Mao, Juan Author He, Jun-Hua Author Chen, Xue-Xin text Zootaxa 2015 3990 3 355 368 journal article 10.11646/zootaxa.3990.3.2 8ca819c1-1e69-4802-87d7-8b4cc571407c 1175-5326 237697 2AE572DF-672B-4328-906E-B282C54110B9 Key to species of the genus Protodacnusa Griffiths 1. Width of head in dorsal view equal across eyes and temples, head beyond eye not swollen............................ 2 - Width of head in dorsal view greater across temples than across eyes, head beyond eye swollen ( Fig. 1 B)................ 3 2. Subdiscal cell open distally, CU1b missing; first tergite broad, 1.2 × as long as broad behind; second tergite with one row of setae along its hind margin; precoxal suture finely crenulate; body 3.3 mm ; Mongolia .................. P. cubiceps Papp - Subdiscal cell closed, CU1b developed; first tergite narrower, 1.4 × as long as broad behind (sometimes 1.2 ×); second tergite covered with setae over its entire surface; precoxal suture rugulose; body 1.6–2.8 mm ; Czechoslovakia ; Germany ; Hungary ; Iran ; Korea ; Mongolia ; Spain ; Sweden ; Switzerland .......................................... P. aridula (Thomson) 3. First tergite strongly broadening posteriorly, at least as broader behind as long; subdiscal cell open distally, CU1b absent... 4 - First tergite narrower posteriorly, longer than broad behind; subdiscal cell closed or open distally...................... 5 4. First tergite strongly broadening posteriorly, somewhat (1.2 ×) broader behind than long, tergite evenly rugose; upper tooth of mandible strong and obtuse; pterostigma subcuneiform, parallel-sided and narrowing only at its distal fourth, 10.0 × as long as wide; antenna with 17 segments; body 1.4 mm ; Mongolia .......................................... P. effunda Papp - First tergite as long as broad behind, posteriorly finely striate; upper tooth of male mandible weaker and pointed; pterostigma parallel-sided (♂) and cuneiform (♀), 6.0 × as long as wide; antenna with 30–32 segments; body 2.8–3.2 mm ; Asiatic Russia , Mongolia ........................................................................... P. amurensis (Telenga) 5. Subdiscal cell open distally, CU1b absent................................................................... 6 - Subdiscal cell closed, CU1b present...................................................................... 10 6. Precoxal suture distinct, rugose; palpi shorter than height of head................................................ 7 - Precoxal suture represented by a smooth groove, or virtually lost; palpi longer or shorter than height of head............. 8 7. Mandible with four distinctly developed teeth, upper tooth extremely strong and long, second tooth pointed, third and fourth teeth rather small but distinct ( Fig. 2 E); notauli weak, almost extending to anterior half of mesoscutum; pterostigma cuneiform, 7.0 × as long as wide ( Fig. 2 D), vein r shorter than width of pterostigma; first tergite longitudinally rugulose (♀, Fig. 2 H) or evenly rugose (♂, Fig. 2 G); antenna with 18–22 segments; body 1.6–1.9 mm ; China (Inner Mongolia ). P. dimorphus sp. nov. - Mandible with three teeth, upper tooth and second tooth strong, third tooth represented by a long flattened edge with a milled appearance, not angulate; notauli absent; pterostigma parallel-sided, 8.0 × as long as wide, vein r longer than width of pterostigma; first tergite evenly rugose; antenna with 27–36 segments; body 2.0– 2.5 mm ; Europe (Palaearctic) P. tristis (Nees) 8. Mandible without distinct teeth ( Fig. 1 E); - Notauli distinct, extending to anterior half of the mesoscutum ( Fig. 1 H); pterostigma cuneiform, 6.3 × as long as wide and issuing vein r from the basal end of pterostigma ( Fig. 1 D), vein 1-R1 0.3 × length of pterostigma; first tergite subtriangular, almost bare, 1.2 × as long as broad behind ( Fig. 1 G); antenna with 18-segments; body 1.6 mm ; China (Inner Mongolia )............................................... P. defectivus sp. nov. - Mandible with three distinct teeth......................................................................... 9 9. First tergite 1.5–1.7 × as long as broad behind, densely setose; notauli absent;; antenna with 23–28 segments; body 2.5–3.0 mm; Azerbaijan ; Germany ; Hungary ; Mongolia ; Turkey .......................................... P. ruthei Griffiths - First tergite 1.2 × as long as broad behind, almost bare; notauli distinct, extending to anterior half of the mesoscutum; antenna with 17–22 segments; body 1.6–1.8 mm ; China (Inner Mongolia )............................... P. helanensis sp. nov. 10. First discal cell of fore wing wide, 1.6–1.9 × wider than high.................................................. 11 - First discal cell of fore wing narrow, hardly wider than high................................................... 12 11. First discal cell of fore wing1.9 × as wide as high; teeth of mandible small and indistinct; hind femur 2.8 × as long as broad medially; second tergite and following tergites with a row of setae along their hind margin respectively; antenna with 32 segments; body 4.0 mm; Mongolia ................................................................ P. dilata Papp - First discal cell of fore wing 1.6 × as wide as high; teeth of mandible with three distinctly developed teeth, upper tooth strong, second tooth pointed, third tooth lamelliform ( Fig. 5 E); hind femur 4.6 × as long as broad medially; second and third tergites mainly setose, and following tergites with two row of setae along their hind margin respectively; antenna with 35 segments; body 4.0 mm; China (Fujian).......................................................... P. magnidentis sp. nov. 12. Precoxal suture absent; second tergite with a row of setae along its hind margin; antenna with 19–27 segments........... 13 - Precoxal suture distinct, rugose; second tergite densely pubescent; antenna with 26–30 segments...................... 16 13. First tergite smooth ( Fig. 6 G); ovipositor sheath short, not projecting beyond metasoma............................. 14 - First tergite longitudinally rugulose; ovipositor sheath long, in lateral view as long as hind tarsus..................... 15 14. Body completely black; pterostigma 8.0 × as long as wide, vein 1-R1 0.6 × length of pterostigma, vein r longer than width of pterostigma ( Fig. 6 D); antenna with 27 segments; body 2.5 mm ; China (Qinghai)....................... P. nigra sp. nov. - Body not completely black, palpi, legs and tergites yellow or brown; pterostigma 10.0 × as long as wide, vein 1-R1 0.2 × length of pterostigma, vein r as long as width of pterostigma; antenna with 22 segments; body 1.7 mm ; Mongolia .......... .................................................................................... P. subparallella Papp 15. Head in dorsal view subcubic, 1.5 × as broad as long; mesosoma in lateral view 1.7 × as long as high; pterostigma 6.0–7.0 × as long as wide, vein 1-R1 0.5 × length of pterostigma, vein r as long as width of pterostigma; antenna with 21–23 segments; body 1.8–2.1 mm ; Mongolia .................................................................. P. meriva Papp - Head in dorsal view transverse, 2.0 × as broad as long ( Fig. 4 B); mesosoma in lateral view 1.2 × as long as high; pterostigma8.3 × as long as wide ( Fig. 4 D), vein 1-R1 long 0.6 × length of pterostigma, vein r longer than width of pterostigma; antenna with 26 segments; body 2.8 mm ; China (Inner Mongolia )................ P. longicaudatus sp. nov. 16. Mandible slightly expanded, its second tooth obtuse; notauli extending to anterior half of the mesoscutum; second tergite with two rows of setae; - pterostigma 4.0 × as long as wide, vein r clearly shorter than width of pterostigma; body 3.5 mm ; Russia ...................................................................................... P. orientalis Tobias - Mandible strongly expanded, second tooth pointed; notauli shortly impressed on about its anterior third; second tergite with dense setae.......................................................................................... 17 17. Body small, 2.0 mm; ocelli forming a obtuse triangle, its base much longer than its sides; metapleuron shallowly rugose over its lower half; first tergite with shallow sculpture, second and third tergite with four or five rows of fine setae distributed evenly over its surface; antenna with 32–30 segments; Azerbaijan ; Greece ; Hungary ; Iran ; Ireland ; Korea ; Spain ...................................................................................................... P. litoralis Griffiths - Body large, 4.0 mm; ocelli forming a regular triangle, its base not longer than its sides; metapleuron rugose except for a central smooth area; first tergite rugose, second tergite entirely uniformly pubescent, third tergite with a row of setae along its hind margin; antenna with 38 segments; Japan .................................................... P. jezoensis Maeto