MELANDRYIDAE. 337 



A A, Head vertical, scarcely or not visible from 

 above. 



a a. Antennae inserted a little above middle 

 of eyes. 



A a. Mesosternum not reaching to the half 

 of the intermediate coxae. 



Maxillary palpi not or scarcely sawlike, last joint 

 hatchet-shaped, not furrowed on inner edge ; eyes feebly 

 but distinctly emarginate nearly in middle ; front of thorax 

 produced and rounded ; intermediate coxae contiguous 

 behind ; penultimate tarsal joint sub-bilobed. 



Anisoxya, Muls. 



-B b. Mesosternum as long as intermediate 

 coxae. 



A 1. Penultimate tarsal joint entire. 



a 1. Front of thorax produced and 

 rounded. 



Maxillary palpi with fourth joint generally ovoid, de- 

 pressed, truncate at base and pointed at apex, third joint 

 contiguous to fourth and not prolonged inward, rarely tri- 

 angular and freer from second ; eyes entire. 



Ah d era, Steph. 



b 1, Front of thorax truncate. 



Maxillary palpi large, sawlike, second joint elongate tri- 

 angular, third transverse triangular, fourth hatchet-shaped, 

 short and prolonged inward ; mandibles bifid at apex ; eyes 

 widely sinuate. Serropalpus, Hellen. 



-B 1, Penultimate tarsal joint sub-bilobed. 



Maxillary palpi more or less sawlike, last joint hatchet- 

 shaped, elongate and narrow ; eyes slightly sinuate ; front 

 of thorax produced and rounded ; intermediate coxae not 

 contiguous behind. Phloeotrya, Steph. 



b b. Antennae inserted nearly level with upper 

 margin of eyes. 



A a. Intermediate coxae not contiguous ; 

 third joint of antennae not longer than 

 fourth. 



Maxillary palpi not sawlike, last joint hatchet-shaped, 

 rather large ; eyes feebly sinuate ; base of thorax im- 



VOL. II, z 



