^^ Baker: Malayan Jassoidea 353 



covery of species of Pythamus with the laminate cephalic carina 

 very weak makes this relationship clearer. Both Apphia and 

 Omaranus of Distant belong to this family, as noted under 

 Onukia. The collection of more material of Tortor and Dryado- 

 morpha in Queensland is greatly to be desired. 



In all genera of this family the pronotum is truncate or slightly 

 incurved posteriorly; the anterolateral carinae of vertex reach 

 apex or nearly so ; the sides of front are very shallowly sinuate 

 opposite antennal scrobes; the clypeus is strongly narrowed 

 apically. 



Synopsis of genera. 

 a\ Tegmina of normal texture, the venation distinct throughout (except 

 in Oniella) ; ocelli large. 

 b\ Sides of pronotum strongly converging cephalad; head much narrower 

 than pronotum. 

 c\ Median carina of vertex, in part at least, laminately raised, the 

 disk of vertex strongly concave on either side of the lamina, 

 the basal margin strongly and sharply raised; pronotal median 



carina present or wanting Pythamus Melichar. 



<r. Median carina of vertex not laminately raised, sometimes weak or 

 obsolete apically; surface of vertex slightly concave, plane or 

 slightly convex; basal margin not strongly raised; pronotum 

 without median carina. 

 cf. Posterolateral carina of vertex distinct throughout, the ocelli 

 pushed forward into facial view as in other genera; median 

 carina of vertex distinct; clypeus narrowly rounded apically; 

 tegmina with venation distinct throughout. Onukia Matsumura. 

 <F . Posterolateral carina of vertex obsolete, and anterolateral portion 

 weak, the ocelli thus resting on plane of crown and not visible 

 in facial view; median carina of vertex obsolete; clypeus sub- 

 truncate apically; tegmina with venation obscure basally. 



Oniella Matsumura. 

 b\ Sides of pronotum straight in long axis of body, the head little 



narrower _ Chudania Distant." 



a 2 . Tegmina coriaceous, venation at least partly obscure and indistinguish- 

 able; ocelli small and weak or indistinguishable. 

 b\ Head in profile not thin, similar to Onukia; clypeus widened apically; 

 lora? wider than anterior part of clypeus ; front not concave ; pronotal 



lateral carina; evanescent _.. Dryadomorpha Kirkaldy. 18 



b\ Head in profile thin ; front concave ; lorae minute Tortor Kirkaldy." 



Genus PYTHAMUS Melichar 

 Synopsis of species. 

 a\ Vertex strongly produced, distinctly longer than pronotum; front some- 

 what concave in profile; pronotum in part very finely transversely 



i here provisionally. 



