LIST OF HOMOPTEROCS INSECTS. 129 



Genus HOPLOPHORA, Cat. Horn. p. olO. 

 Div. 1. Fairm. 



HoPLOPHORA SEMITECTA. 



Obscure rufescens ; caput parvum ; prothorax inermis, convexus^ 

 dense pubesceiis, rude punctatus, subcariiiatus, postice trigonus^ 

 abdominis dimidium superans, marginibus rujis subexcavatis ; 

 tarsi nig ri ; alee fuscescentes. 



Dull reddish. Head small. Prothorax unarmed, convex, 

 thickly pubescent, very roughly punctured ; dorsal keel very slight ; 

 hind part elongate-triangular, extending to rather beyond half the 

 length of the abdomen ; its sides bright red, slightly excavated on 

 each side behind the shoulder. Tarsi black. Wings brownish ; 

 veins black. Length of the body 3^ lines ; of the vviugs 8 lines. 



a. Constancia, Province of Rio. Presented by the Rev. Hamlet 



Clark. 

 6. Venezuela. From Mr. Birschell's collection. 



HoPLOPHORA CINEREA, Cat. Hom. p. 513. 

 a. Mexico. From M. Salle's collection. 



Genus UMBONIA, Cat. Hom. p. 517. 



Umbonta multiformis. 



Rufa; caput testaceum; prothorax rude punctatus^ vittis tribus 

 anticis fiavis apud dorsum connexis ; cornua lateralia plana 

 abbreviata, trigona, obtusa, apice nigra ; cor mi dor sale obli- 

 quum, acutum, apice nigrum ; carina postica lituris duabus 

 vittisque duabus jlavis, apicem versus valde atlenuata ; abdo- 

 men sat superans ; tarsi nigri ; alee cinerascenles^ anticce sub- 

 luridce. Var. /3. — Vittce anticce obsoletce. 



Red. Head testaceous. Prothorax roughly punctured, vviili 

 three yellow converging stripes in front ; lateral horns horizontal, 

 short, triangular, obtuse and black at tiie tips ; dorsal horn acute, 

 black at the lip, much inclined backward, straight in front, concave 

 along its hind side ; hind part with a yellow mark on each side and 

 with two yellow stripes, much attenuated towards the very acute tip, 



