608 COllIXINA. 



broader ou their iiiuer end, on the middle of the disk very narrow, 

 the rest imdidating ; ou the Corium the yellow lines subparallel, 

 somewhat close, slightly undulating, crossed just before the inner 

 brown edge of the anterior marginal channel by a longitudinal, irre- 

 gular, black line, formed by the connection of the expanded ends of 

 the somewhat broader black lines which lie between the yellow ones; 

 near the inner margin, above the posterior inner angle, the lines are 

 interrupted by a longitudinal, fine, curved black streak; anterior 

 marginal channel pale livid yellow, near its posterior end a black 

 dash, not extending to the apex; inner margin of the clavus, the 

 claval suture, and membrane-suture, narrowly yellow, the latter fol- 

 lowed by a black line ; Memhrane with black and yellow, short, 

 broken, undulating, mostly transverse, lines, but entire on the inner 

 margin; anterior and posterior margins black-brown. Sternum 

 yellow ; Prosternum ; lobes narrow, twisted, the end rounded. Ze^s 

 pale yellow ; 1st pair, palce, in the (^ , very broad, subtriangular, at 

 the base, on the upper side, extended almost at a right angle, then 

 rounded at the angle and much curved to the apex ; on the lower 

 side at first produced downwards into a small triangle, then slightly 

 curved inwards to the apex ; in the ? broad, semilunate ; 3rd pair, 

 tarsi with black cilia. 



Abdomen above, black with brown streaks, pale posteriorly ; 

 beneath pale yellowish, in the ^ the first 4, in the ? the first 

 2 segments blackish ; Genital segments sometimes blackish, pale on 

 the margins. 



Length, ^—^ lines. 



Common in the Cambridge Fens (G.S. Crotch). 



Species 15.' — Corixa distincta. 



CoKisA DISTINCTA, FieL Sjn. Coiis. Xo. 19 (1848); Spec. Coris. 32, 35, 

 t. 2, fig. 13, palaj (1851) ; Europ. Hem. 97, 29 (1861). 



— FiEBEEi, Kolen. Mel. Eut. vi, 72, 280 (1857). 



— (Coeisa) distincta, Flor, Ilhyn. Li v. i, 792, G (ISGO). 



Above black, with transverse yellow markings, slightly shining. 

 Fronotum with 8 — 9, mostly entire, yellow lines. Elgfra with 

 somewhat close yellow lines, on the basal 3rd of the claviis 

 straight, rather more distant and broader, especially to their 

 inner ends ; in the middle of the disk a few very slight, 



