BY ARTHUR M. LEA. 201 



Eyes embedded in head. 



Eyes widely separated beneath Melanterius. 



Eyes almost touching beneath Neomelanterius. 



Second abdominal segment small Lyb.bba. 



Rostrum not passing mesosternum. 



Eyes finely faceted Psydestis. 



Eyes coarsely faceted. 



Claw-joint long and thin Melanteriosoma. 



Claw-joint thicker, dilating to apex Pseudostoreus. 



Genus Hybophorus, Waterhouse. 



Trans. Ent. Soc. 1853, Vol. ii. (n.s.), p. 205; Lacordaire, Gen. 

 Col. Tome vii. p. 66. 



Head small, convex, not concealed by prothorax. Eyes large, 

 subreniform, coarsely faceted, almost touching above and moder- 

 ately separated below. Rostrum long, thin, curved. Antennce 

 slender; scape inserted much closer to apex than base of rostrum, 

 passing apex, the length of funicle; two basal joints of funicle 

 moderately elongate, 7th strongly transverse; club small, ovate, 

 free. Prothorax convex, transverse, subconical, apex produced 

 and not half the width of base, base bisinuate; ocular lobes obtuse, 

 almost level with apex. Scutellum small, oblong-elliptic. Elytra 

 convex, subtriangular, much wider than prothorax, base trisinuate, 

 shoulders and apex rounded. Pectoral canal wide in front, 

 narrowed between and dilated behind anterior coxte. Mesosternal 

 plate widely transverse, feebly curved and very feebly concave. 

 Metasternum moderately large, middle strongly produced in front 

 and emarginate behind ; episterna large. Abdomen moderately 

 large, sutures distinct; basal segment the length of three follow- 

 ing combined, intercoxal process rounded, produced in middle, 

 apex truncate; 2nd the length of apical and but little longer than 

 3rd, 3rd slightly longer than 4th. Legs moderately long; femora 

 thick, grooved, each strongly dentate and with a very small tooth 

 in the apical emargination, posterior terminating almost level 

 with apex of abdomen; tibite compressed, strongly curved at base; 

 tarsi shorter than til)ia3, 3rd joint wide, deeply bilobed, claw-joint 

 elongate. Short, broad, convex, tuberculate, punctate, glabrous, 

 winged. 



