44 LIST OF HOMOPTEROUS INSECTS. 
DIAREUSA ANNULARIS. 
Phrictus annularis, p. 264. 
a, Guatimala. From M. Deby’s collection. 
6, Bogota. From Mr, Stevens’ collection. 
ec. Colombia. 
Genus ENHYDRIA. 
Caput tricarinatum, cornu erecto arcuato compresso acuto ; 
facies unicarinata. Prothorax subcarinatus, antice conicus. Alw 
antic venis venulisque densissimis. 
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 side; front with three keels; face with one 
keel. Prothorax with a slight keel, somewhat conical in front. 
Fore wings with very numerous veins and veinlets over the whole 
extent. Hind wings with many veins and yeinlets. 
ENHYDRIA TESSELLATA,. 
Dichoptera tessellata, Cat. Homopt. p. 305. 
Subtribe 2. LYSTROIDES. 
Genus APH ENA, Cat. Homopt. p. 273. 
APHENA RESIMA. 
Aphana resima, Stal. Kongl. Vet. Akad. Handl. 1855, 190. 
Hindostan. 
APHENA DELECTABILIS. 
Ferrugineo-fusca, subtus nigra ; prothorax viridis, guttis nonnul- 
lis testaceis fusco marginatis, fasciis subtus interruptis luteis ; 
ale antice nigra, basi albido-virides nigro maculata, venis 
viridibus ; postice rufe nigro maculata, apice nigro-fusce 
Sascia intermedia viridi-cyanea. 
Structure of A. imperialis, Ferruginous-brown, black beneath. 
Antenne bright red. Prothorax dull green, with some very minute 
testaceous brown-bordered dots. Abdomen black; hind borders of 
