44 LIST OF HOMOPTEROUS INSECTS. 



DiAEEUSA ANNULARIS. 



Pbrictus annularis, p. 264. 



a. Guatimala. From M. Deby's collection. 



b. Bogota. From Mr. Stevens' collection. 



c. (/oloinbia. 



Genus ENHYDRIA. 



Caput tricarinatum, cornu erecto arcualo conipresso acuto ; 

 facias unicarinala. Prothnrax subcarinatus, antice conicus. Ala? 

 anticas veuis veiiulisque densissiinis. 



Head with three keels on the vertex, armed with a vertical 

 curved compressed acute horn, which is as long as the thorax, and 

 has three keels on each si(ie ; front with three keels ; face with one 

 ket'l. Proihorax wilh a slight keel, somewhat conical in front. 

 Fore wiuiis with very nuinerous veins and veinlets over the whole 

 extent. Hind wings with many veins and veinlets. 



Enhvdria tessellata. 

 Dichoptera tessellata, Cat. Homopt. p. 305. 



*Subtribe2. LYSTROIDES. 

 Genus APIJ.ENA, Cat. Homopt. p. 273. 

 Aph^na resima. 

 Aphana resima, Stal. Kongl. Vet. Akad. Handl. 1855, 190. 

 Hindostan. 



ApHvENA delectabilis. 



Ferrugineo-fusca, subtttx nigra ; prothorax viridis, guttis nonmtl- 

 lis testaceis fusco inarginalis, fasciis subtus interruptis luteis ,■ 

 alcB anticcB nigra., basi albido-virides nigra niaculatce, venis 

 viridibus ; posticcc rufcB nigro maculates., apice nigro-fusccB 

 fascia intermedia viridi-cyanea. 



Structure of A. imperialis. Ferruginous-brown, black beneath. 

 Antennae bright red. Prothorax dull green, with some very minute 

 testaceous brown-bordered dots. Abdomen black ; hind borders of 



