602 CORIXINA. 



Very like C. Sahllergi, but shorter and narrower, and different in 

 the marks of the pronotum, in the corium being marked to the 

 apex, &c. 



Common in the Cambridge Fens (Gf. R. Crotch). 



Species 9. CORIXA SEMISTRIATA. 



CORIXA STRIATA, Zett. Ins. Lap. 284, 2 (1840). 



CORISA SEMISTRIATA, Fieb. Syn. Coris. No. 20 (1848) ; Spec. Coris. 36, 

 43, t. 2, fig. 2, palse (1851) ; Wallenfj. Oefv. 150, 

 18 (1854) ; Fieb. Europ. Hem. 95, 20 (1861). 



UNDTJLATA (Costa), H. Schf. Wanz. ix, 57, t. 297, fig. 919 (1850). 



(CORISA) SEMISTRIATA, Flor, Ehyn. Liv. i, 797, 10 (1860). 



Above brown-black, with fine, pale, yellow, transverse markings, 

 slightly shining. Pronotum short, with 6 7 fine yellowish 

 lines ; davits with entirely straight yellow lines, the first 4 or 

 5 broadest, the rest very fine, not reaching the inner margin ; 

 corium with the lines very fine, close and short, crossed by 3 

 longitudinal black lines ; anterior margin posteriorly, and mem- 

 brane-suture with a yellow line. Palce of the $ nearly semi- 

 circular, convex. 



Head yellow ; Crown at the base brownish ; Face ; the depression 

 reaching upwards as far as the middle of the eyes. 



Thorax. Pronotum short, with 6 or 7 fine yellowish lines, the 

 longitudinal middle line slightly raised in front. Elytra; Clavus 

 with entirely straight yellow lines, the 1st 4 or 5 broadest, the rest 

 very fine, not reaching to the inner margin ; Coriim with the lines 

 very fine, close and short, crossed by 3 longitudinal black lines, 1 

 close to the anterior marginal channel, 1 short, in the middle, and 

 1 rather longer and much the broadest near the inner margin; 

 anterior margin livid, posteriorly with a small dark dash, beyond 

 which to the apex and also on the membrane-suture is a distinct, 

 narrow, yellow line ; Membrane with fine, irregular, broken, twisted, 

 yellow markings ; margins brown, the anterior next the corium with 

 a blackish spot. Sternum dusky yellowish j the middle, and at times 

 the side lobes,, except their apices, black, Legs pale yellow ; 1st 

 pair, tibia swollen, the end rounded, so that a perceptible notch- 

 like space exists between it and the pala?; pala, in the <?, almost 



