Homoporus, FROM

Xiao, Hui, Zhang, Yan-Zhou, Huang, Da-Wei & Polaszek, Andrew, 2004, A Revision Of Homoporus (Hymenoptera: Pteromalidae) Of China, Raffles Bulletin of Zoology 52 (1), pp. 59-65 : 60

KEY TO THE SPECIES OF HOMOPORUS FROM CHINA

1. Body stout; ovipositor beyond the apex of the metasoma (ovipositor stylets exserted occasionally). Female ............... 2

– Body relatively slim, aedeagus beyond the apex of the metasoma. Male ...................................................................................... 10

2. Antennae with 3 anelli ( Fig. 8 ); each funicular segment transverse; mandibles 4-toothed; thorax relatively long, about 1.3-1.4 x breadth ..................................... H. pulchripes Erdös

– Antennae with 2 anelli; each funicular segment elongate or quadrate; mandibles either 4-toothed or left 3-toothed and right 4-toothed; thorax short, at most 1.2 x breadth ..................... 3

3. Both anelli transverse ( Figs. 1, 3, 11, 7 ) ............................... 5

– First anellus longer than wide, second broadly transverse ( Figs. 5, 10 ) ...................................................................................... 4

4. Clypeal margin sharply 2-toothed ( Fig. 4 ), distinctly excised in middle; funicular segments 3-6 quadrate ( Fig.5 ); POL 1.6 x OOL; marginal vein 1.6 x stigmal vein; fore wing with brown infuscation ........................................... H. japonicus Ashmead

– Clypeal margin broadly truncate ( Fig. 9 ), without sharp tooth; each funicular segment longer than broad ( Fig.10 ); POL 1-1.11 x OOL; marginal vein 2.3 x stigmal vein; fore wing without infuscation ........................................ H. sinensis , new species

5. Gaster yellow, sometimes a brown area appearing on both sides of base of gaster .................................. H. fulviventris (Walker)

– Gaster brown or dark green ................................................... 6

6. Marginal vein shorter than postmarginal vein (0.92 x), about 1.5 x as long as stigmal vein; mandibles 3-toothed .................................................................. H. apharetus (Walker)

– Marginal vein at least as long as postmarginal vein; mandibles 4-toothed or left 3-toothed and right 4-toothed .................... 7

7. Pronotal collar not margined ................................................. 8

– Pronotal collar margined medially .......................................... 9

8. Left mandible 3-toothed, right 4-toothed; malar space half or slightly more than half as long as eye height ( Fig. 6 ); gaster 2 x as long as broad ......................................... H. luniger (Nees)

– Both mandibles 4-toothed; malar space 1/3 or slightly more than 1/3 as long as eye height; gaster 1.4 x as long as broad ...................................................................... H. destructor (Say)

9. Clava bearing a narrow spicula; left mandible 3-toothed and right 4-toothed; marginal vein 1.7-1.9x as long as broad; thorax dark green; gaster 1.6-2.0 x as long as broad ...................................................................... H. arestor (Walker)

– Clave distinctly acuminate apically, without a narrow spicula; both mandibles 4 toothed; marginal vein 2 or more than 2x as long as broad; thorax green; gaster 2 x as long as broad ................................................................... H. subniger (Walker)

10. Clypeal margin sharply 2-toothed ........ H. japonicus Ashmead

– Clypeal margin truncate, without sharp tooth ..................... 11

11. Antenna with 3 anelli ................................ H. puchripes Erdös

– Antenna with 2 anelli .......................................................... 12

12. Antenna yellow, first anellus slightly longer than broad and the second slightly transverse (as in female), each funicular segment slightly longer than broad; propodeum with plica complete; gaster about 2 x as long as broad .............................................................. H. sinensis , new species

– Antennae brown, both anelli transverse; propodeum without plica; others different ........................................................... 13

13. Pronotum as broad as mesoscutum ..................................... 14

– Pronotum distinctly narrower than mesoscutum ................... 15

14. Sixth funicular segment 1.5 x as long as broad; marginal vein 1.2 x stigmal vein, marginal vein slightly thickened ................................................................. H. apharetus (Walker)

– Sixth funicular segment at most 1.1 x as long as broad; marginal vein 1.6-1.7 x stigmal vein, marginal vein not thickened ........................................................................ H. luniger (Nees)

15. Pronotal collar not margined ....................... H. destructor (Say)

– Pronotal collar distinctly margined ..................................... 16

16. The sixth funicular segment at least 1.8x as long as broad ( Fig.2 ); gaster 4 x as long as broad ...................... H. arestor (Walker)

– The sixth funicular segment at most 1.5 x as long as broad; gaster 1.8-3.0 as long as broad ....................................................... 17

17. Antennae with scape yellow; sixth funicular segment as long as broad; scape slightly expanded above the middle; gaster brown dorsally, yellow ventrally ................... H. fulviventris (Walker)

– Antennae with scape brown; sixth funicular segment 1.2-1.5x as long as broad; scape not expanded above middle; gaster dark brown or metallic dark green ................ H. subniger (Walker)

Figures

Figs. 1-13. 1, Homoporus apharetus (Walker), female: antenna. 2, Homoporus arestor (Walker), male: antenna. 3, Homoporus fulviventris (Walker), female: antenna. 4-5, Homoporus japonicus Ashmead. female: 4, face in front view; 5, antenna. 6-7, Homoporus luniger (Nees), female: 6, face in front view; 7, antenna. 8, Homoporus pulchripes Erdös, female: antenna. 9-11, Homoporus sinensis, new species 9- 10 female: 9, face in front view; 10, antenna; 11 male, gaster. 12-13, Homoporus subniger (Walker), female: 12, antenna; 13, gaster.