26 ZYG-ENID^E. 



ORCYNIA, Walker. 

 Oixynia calcarata. (Plate IX. fig. 11.) 

 Euchrornia (Orcynia) calcarata, Walker, Cat. Lep. Het. i. p. 27-1. n. 130 (1854). 



Wings semitrausparent red-brown, black at the base. Body black ; antenna tawny ; 

 thorax and head spotted with bright yellow j the basal segments of abdomen with large lateral 

 vellow spots; anus bluish; pectus and venter spotted with yellow; coxa? and trochanters 

 yellow ; tarsi below ferruginous, of hind legs with orange proximal half. Expanse of wings 

 2 inches 5 lines. 



Santarem (Bates). 



This is the largest of the hornet-like species of Zygrenidfe. 



ISANTHRENE, Hubner. 

 Isanthrene pornpiloides. (Plate XII. fig. 10.) 

 Glaucopifl (Isanthrene) pornpiloides, Walker, Cat. Lep. Het. i. p. 156. n. 26 (1854). 



Wings testaceous hyaline ; veins, outer and inner margins, black : primaries with the 

 black margin considerably widened at apex, and throwing oft* a denticle upon first median 

 branch ; costal and interno-basal areas tawny hyaline. Body black ; antemne deep ochreous ; 

 two ochreous spots on metathorax at base of abdomen ; trochanters and coxse spotted with 

 white. Wings below much brighter in colour than above, the costs and most of the veins 

 bright orange. Expanse of wings 2 inches 2 lines. 



Guatemala. 



HOMCE0CERA, Felder. 

 Homoeocera scintillans. (Plate XII. fig. i.) 



Lsemocharis scintillans, Herrich-SeJuiffer, A us*. Schmett. i. fig. 244. 

 I'u cfllosoma scintillans, Walker, Cat. Lep. Het. vii. p. 1605 (1856). 

 Glaucc-pie ( Poocilosoraa) flavitarsis, Walker, I. c. i. p. 153. n. 30 (1851). 



Wings testaceous hyaline; the veins, the inner margin, and an apical spot in primaries 

 black ; base blue-spotted. Body black; the frons, margins of collar, two dots at the base of 

 primaries, a longitudinal streak on teguhe, four spots on the thorax, seven narrow bands on 

 the abdomen, the inferior margin of the palpi, coxse, and greater part of venter ochreous; a 

 double series of spots down the body, from the head to the anus, and several spots on the legs 

 metallic blue-green; inner surface of trochanters and femora of first pair of legs white. 

 Expanse of wings 1 inch 5 lines. 



Venezuela (Dyson). 



