103. HTPOL^PUS. 104. AGLAOSTIGMA. 325 



the remainder broken off. Wings with one marginal and four sub- 

 marginal cells, the second receiving both recurrent nervures, and 

 marked with the usual black point ; the first small, third and fourth 

 moderate, the third not much smaller than the second ; lanceolate 

 cell petiolate ; hind wings with two middle cells. Abdomen long ; 

 hind coxa3 extending as far as the third segment ; hind femora and 

 tibiae slightly dilated and flattened. 



The position of this genus is uncertain. It has some affinities 

 with the Nematiince. 



1. Hypolaepus abbot ii. 

 (Plate XIII. fig. 2.) 

 Exp. al. 11 lin., long. corp. 6 lin. 



Blue-black, shining ; third segment of the abdomen testaceous on 

 the sides, and less distinctly so above. Wings iridescent, clear hyaline 

 towards the base, and more dusky beyond, with blackish nervures. 



Hab. North America. 



a. § . (Type.) Georgia. Probably from Abbot's 



collection. 



104. AGLA03TIGMA. 



Head transverse, not much extended back of eyes ; antennae long 

 and slender, each joint dilated at apex, joint 3 longer than joints 4 

 and 5, which are of equal length, the remainder shorter. Abdomen 

 moderately long and broad ; hind coxae extending as far as the third 

 segment of the abdomen. Wings with two marginal and four sub- 

 marginal cells ; lanceolate cell with straight cross line ; hind wings 

 with one middle cell. 



1. Aglao stigma eburneiguttatum. 



(Plate XIII. figs. 3, 3 a.) 

 Exp. al. 8 lin., long. corp. 4 lin. 



Pale luteous : face, orbits, cheeks, with an adjoining stripe on 

 each side at the back of the head, extending in points almost to a 

 square spot behind the ocelli, two dots between the antennae, and a 

 triangle below, all ivory-white ; collar, tegulae, a large triangle in the 

 place of a V-spot, scutellum, two postscutella (separated by a black 

 mark), cenchri, sides of pectus (which are intersected by black lines), 

 sides of coxae, and a stripe before each pair of coxae (divided in the 

 middle and bordered by narrow black lines) of the same colour. 

 Abdomen with all the segments above narrowly bordered with 

 black behind, and with a row of small black dots on each side, 



Hab. Siberia. 

 a. 2 • (Type.) Angara. 



