Hale — Aquatic Hemitteka 



329 



DIAPREPOCORIS BARYCEPHALA Kirkaldy. 



DUtprvpucoris ha) ticcpJuiUt Kirk,, Ann. Mag. Nat. Hist, (ti), xx, 18!)7, p. S^. 



S Head riavous or ucliraccous, a black dot often j^ri'scnt on cacli sidi' ; pro- 

 niinciit, produced in front of eyes and a little longer than its width a1 base 

 belween eyes: hinder margin almost evenly eoneave, dark testaceous centrally; 

 face convex, with a broad, median carina; inner margins of eyes scmietimes nearly 

 parallel, sometimes considerably divergent. I'ronotum testaceous or brownish 

 black, sometimes darkened ]K)steriorly or antc^riorly ; laterally ami where covered 

 by head, pale; about four to six times as wide as long, finely rugose; anterior 

 niargin sinuate. Scutellnm black, laterally testaceous; or liavescent, varyingly 

 stained with testaceous or black; longer than wide, about as long as head and 

 proiiotum togeth(>i- Hemelytra sordid yellow, in pai-ts iuf uscated ; .embolium 

 wholly luteous or black on inner half. Scutellum and hemelytra clothed with 

 short, black pubescence. Posterior dorsal segments of abdomen slightly 

 asymmetric, with a comparatively large stridnlatory apparatus to the right of the 

 midline of the body (s) ; stridulator brownish-black, basally overlapped by the 



yvH 



Fig. 350. Diaprcpocoris buryceplialu. 



fifth segment ; stridnlatory area black, situated on the sixth segment. Legs pale 

 testaceous or tlavous; palae sub-Innate, second joint very short, sub-cylindrical, 

 slightly curved and tapering, rounded at the apex ; anterior tibiae closely embrac- 

 ing base of palae ; intermediate tibiae a little longer than tarsi ; claws shorter. 

 Length, 7 mm. to To mm. 



9 More robust than the nmle. Length. (G-2 mm.) to 8 mm. 

 llah. South Australia -. Adelaide (A. H. Elston and H. M. Hale) , Lucindale 

 (B. A. Feuerheerdt), Lake Alexandrina and Goolwa {A. Zietz), Murray Bridge 

 (P. R. Zietz) ; "Victoria"' and "Tasmania" (British Museum). 



The colour is variable, some specimens being pale, while in others the infus- 



