﻿230. 

 ARADUS CORTICALIS. 



Order Hemiptera. Fam. Cimicidae Lat., Leach. 

 Type of the Genus Cimex Betulse Limi. 



Aradus Fab., Fanz., Lat. — Acanthia Fab., Wolff. — Coreus Schell. — 



Cimex Linn., DeG., Geoff., Stew. 



^rtfeKw« inserted considerably before the eyes, at the acuminated 



angles of the head, porrected, 4-jointed, basal joint minute, 2nd 



the longest, 4th oval, slightly pilose (4). 



Rostrum inflected, longer than the head (2) ; 4 -jointed, basal 



joint small, 2nd and 3rd long, of equal length, 4th much 



shorter (2*). 



Mandibles and Maxillce very long and slender, like setae. 

 Head elongate subtrigonate, produced in the centre, the anterior angles 

 acuminated. Eyes small and very prominent. Neck generally con- 

 cealed (l, the head in profile). Thorax transverse, emarginate at 

 the base. Scutellum elongate trigonate, obtuse. Abdomen very 

 much depressed, hollow above, ovate, the margin broad and thin. 

 Elytra when at rest covering only the centre of the abdomen, cori- 

 aceous, membranous at the apex, nervures very strong. Wings small. 

 Legs very short. Thighs and Tibiae simple. Tarsi short, biarticu- 

 late, basal joint minute. Claws simple (6, afore leg). 

 Obs. The dissections are from A. depressus Fab. 



CoRTicALis Linn. Faun. Suec. p. 247. n. 917? 



Scabrous, brown variegated with ochre. Antennae with the ter- 

 minal half of the 3rd joint ochraceous, the apex of the 4th white. 

 Head trilobed, the central one long and obtuse, the lateral short 

 and acuminated. Thorax subcordate-truncate, the sides ser- 

 rated, 4 ridges on the back and an elevation on each side dull 

 ochraceous. Scutellum slightly concave. Abdomen dark brown, 

 the margins of the segments pale and dull castaneous, elytra 

 ochreous at the base, variegated with brown and fuscous at the 

 apex. Legs ochraceous, clouded with fuscous. Beneath dull 

 castaneous. 



In the Cabinet of Mr. Dale. 



