Figs 121-122 Dorsal view of male: 

 edwardsi; 122- Psephenus texanus. 



121- Eubrianax 



116 (115) Maxillary palp about half as long as antenna; ventral 



sclerite of penis emarginate at base (Fig. 124); 

 about 4-5.3 mm long, 1.7-3.1 mm wide: Psephenus hervioki 

 Maxillary palp about two-thirds to three-fourths as 

 long as antenna; ventral sclerite of penis arcuate 

 at base 117 



117 (116) Coloration uniformly dark; maxillary palp about two- 



thirds as long as antenna; tarsal claws toothed at 

 base; aedeagus with ventral sclerite of penis slender, 

 parameres subparallel in dorsal aspect (Figs 125, 

 126); about 3.5-5 mm long, 1.6-3 mm wide: 



Psephenus haldemani 

 Head and pronotum black, elytra brown, epipleura, 



bases of legs and other parts testaceous; maxillary 



palp about three-quarters as long as antenna; tarsal 



claws not appreciably toothed at base; aedeagus with 



ventral sclerite of penis relatively broad, parameres 



with lateral margins tapering distally from near 



middle (Figs 127, 128); male about 3.2 mm long, 1.6 



mm wide: Psephenus murvoshi 



Figs 123-128 Aedeagus of Psephenus species: 123- P. texanus^ ventral 

 aspect with sclerite stippled; 124- P. herriaki, ventral aspect with 

 sclerite stippled; 125- P. haldemani, ventral aspect with sclerite 

 stippled; 126- P. haldemani, dorsal aspect; 127- P. murvoshi, ventral 

 aspect with sclerite stippled; 128- P. murvoshi, dorsal aspect. 



53 



