fil SCUTATINA. 



Family 4.— EURYGASTRTDiE. 



Genus 1. — Eurygaster, Lap. 

 Broad, oval, convex. 



Head deflected, broad, convex, triangular, rounded in front, the 

 central lobe of the face not elevated. Antennce slender, gradually 

 thicker from the base upwards, inserted near the eyes ; 1st joint 

 short ; 2nd curved ; 2nd and 4th longer than the 1st ; 3rd shorter ; 

 5th longest, subfusiform. Eijes ; the portion which is above the 

 lateral margin of the head, triangular, convex. Ocelli very small, 

 distant. Mostrum reaching to the 3rd pair of coxa? ; the base in a 

 channel, narrow in front and very wide and oval behind, where also 

 the sides are produced ; 2nd joint tlie longest. 



Thorax. — Pronofum very convex, hexagonal, wider than long, 

 anteriorly narrow, posteriorly very wide ; anterior margin rather 

 longer than the width of the head, concave between the eyes and 

 nearly straight behind them ; lateral margins nearly straight or 

 rounded, delicately reflexed; hinder and posterior angles much 

 rounded ; posterior margin straight, with a short furrow from within 

 the hinder angles. Scutellum convex, with the base more raised, as 

 long as the abdomen, but not so wide, leaving a broad portion of the 

 elytra and abdomen uncovered ; sides straight, posteriorly broadly 

 rounded ; the disk in the centre with a short keel. Elytra : anterior 

 margin nearly straight ; Coriuni ; the uncovered portion coriaceous, 

 widest at its base, gradually narrower till it meets the scutellum at 

 the end of the straight part of its margin ; the covered portion mem- 

 branous ; Memlrane with many (15 — 20) long nerves. Sternum : — 

 Prosternum divided in the centre and produced on each side of the 

 rostral channel into a thin plate, which is rounded oft' and raised at 

 the sides and in front, forming, with the base of the head, a channel 

 in which the antennae lie when at rest. Legs short, strong ; thighs 

 flattened ; tibiae (espeoially the 1st pair) angulated, the margins 

 raised and set with very short spines or teeth ; tarsi hairy beneath ; 

 the 2nd joint shortest. 



Abdomen ovate, rather convex beneath ; the segments shorter in 

 the centre than at the sides, their posterior margins vei'y concave, 

 and that of the last spgjticnt deeply cut out for the reception of the 



