﻿465. 

 PYRRHOCERIS APTERUS. 



Order Hemiptera. Fam. Coreidse. 

 Type of the Genus, Cimex apterus Linn. 

 Pyrrhoceris Dal., Fall., Curt. — Platynotus Halm. — Lygseus Fab., 

 Wolff. — Cimex Linn. 



Antennce more than half the length of the insect, inserted in a 

 shoulder on each side the head before the eyes, slightly clavate, 

 pubescent and 4-jointed, 1st and 4th joints of equal length and 

 a little the stoutest, the former clavate, the latter subfusiform- 

 ovate, 2nd the longest and slenderest, 3rd the shortest, both 

 slightly clavate (4). 



Labrum nearly as long as the basal joint of the rostrum, and 

 subulate (3). 



Mandibles and Maxillee setiform. 



Labium bent under the breast ; shorter than the antennfe, rather 

 stout and filiform, 4-jointed, the joints gradually decreasing in 

 length, the terminal one slightly pubescent (2). 

 Head subtrigonate narrower than the thorax. Eyes remote, globose 

 and very prominent. Ocelli 2, very remote ? Thorax transverse, 

 trapezoid, the base straight, truncated and concave before. Scutel- 

 lum not large, triangular. Abdomen oval. Elytra considerably 

 shorter than the body (9), generally wantiiig the membranous apex. 

 Wings smaller than the elytra with several nervures (9fl), but oftener 

 none. Legs simple, posterior the longest : thighs and tibiae of equal 

 length, the former having 3 minute teeth on the underside, towards 

 the apex in the posterior pair, the latter hairy and bristly on the in- 

 side : tarsi triarticulate, basal joint considerably the longest in the 

 hinder pair, 2nd joint minute, 3rd a little longer : clavv^s and pulvilli 

 distinct (6, afore leg). 



Apterus Linn. — Curt. Guide, Gen. 1119. 1. 



Elongate -ovate, black, minutely and thickly punctured : antennae 

 pubescent : thorax sparingly and coarsely punctured, the disc 

 and a band beneath black, leaving a broad scarlet margin : 

 abdomen reddish above, except tovv^ards the apex, which is 

 black or fuscous, margined beneath with scarlet, the penultimate 

 joint more so in the male than female : elytra thickly punctured, 

 scarlet, with a broad stripe on each side the scutellum, a small 

 spot near the base of each and a large round one on the disc, 

 black ; membrane yellowish brown, blackish at the base ; wings 

 brown : coxse scarlet. 



In the Author's and other Cabinets. 



The males are narrower than the females ; and it is remark- 

 able, that both sexes are occasionally found with perfect wings : 

 but it seems that climate has a great influence in perfecting them ; 



