NEW CHINESE XIPHIDIOPSIS — TINKHAM 507 



KEY TO THE CHINESE SPECIES OF THE GENUS XIPHIDIOPSIS 



1. Small brachypterous species 2 



Small to large fully winged species 3 



2. Color uniformly pale green ; tegmina 2.7 mm. ; cerci hastate in lateral out- 



line, with internal basal uncinate tooth hastaticercus Tinkhara 



Color green, with black on pleurites of thorax and abdomen ; tegmina hidden 

 under pronotum ; cerci white, incurved with large internal basal 



tootli grahami, new species 



S. Tegmina not surpassing apices of caudal femora ; coloration mottled black ; 

 supraanal processes large, white, and strongly divergent ; cerci very long 



and slender, black pieli Tinkham 



Tegmina considerably surpassing apices of caudal femora ; coloration foliage 

 green in life, never mottled black 4 



4. Supraanal plate transverse and entire, without trace of furcula 5 



Supraanal plate with large or small paired processes 8 



5. Dorsum of pronotum and head dark reddish brown to base of fastigial cone, 



which is pale green ; tegmina with double row of infuinate scattered spots 

 apically ; tympana dark ; cerci simple, slightly spathulate in lateral 



outline spathulata, new species 



Dorsum of head not solid brown to base of fastigial cone but pale, with or 

 without stripes 6 



6. Head with lateral strijie running from inner eye margin to posterior margin 



of pronotum ^ 7 



Head with 4 stripes, the 2 central ones converging onto dorsum of fastigial 

 cone ; tegmina unspotted ; cerci short, slightly incurved, tufted with tawny 

 hairs at internal base and apex szechwayiensis, new species 



7. Tegmina unspotted ; cerci very long, slightly incurved distally, with small 



dorsal fin just beyond middle capricercus Tinkham 



Tegmina spotted with single row of scattered dots ; cerci short, incurved 

 distally, with large, dorsal, median, fiulike tooth g'urneyi, new species 



8. Paired supraanal processes short 9 



Paired supraanal processes very large 12 



9. Supraanal processes minute ; cerci straight with apparently bifurcate apex 



in lateral profile clavata Uvarov 



Supraanal processes small but prominently produced 10 



10. Supraanal processes very broad, divergent, and partially fused at base ; 



cerci very long, simple, and acuminate; size very large 



kweichowensis, new species 

 Supraanal processes slender and parallel 11 



11. Size very large ; supraanal processes widely spaced and decurved ; apical 



portions of cerci with foliaceous flanges apically, the dorsal with retrorse 



acute base ; caudal femora with knees dark phyllocerca, new species 



Size small ; supraanal processes moderately spaced and slightly decurved ; 

 cerci short, with incurved apex and large rectangular internal basal plates 

 with acute angles kuling'ensis Tinkham 



12. Paired processes straight or decurved 13 



Paired processes bent down at right angles in apical third; cerci with many 



prongs resembling deer antlers cervicercus Tinkham 



13. Supraanal processes flat and deeply cleft terminating in inward projecting 



tooth; cerci somewhat spathulate, not extending to apex of supraanal 



