corvixiD.E. 611 



Sjjecies 17. — Corixa fossarum. 



CoKiXA rossAKUji, Leac//, Trans. Lin. Soc. xii, 17, 4 (1S17). 



CoiiisA — Fied. Syu. Coris. No. 21 (1S4S) ; Spec. Covis. 32, 37, 

 t. 2, fig. 15, palfe (1S51); JFalkn^. Oefv. 149, 15 

 (1854); Fied. Europ. Hem. 98, 32 (1S61). 

 — (Cohisa) fossarum, F/or, llhyn. Liv. i, 795, 8 (1860). 



Abo\e fuscous-black, with pale yellow markiugs, slightly shiniug. 

 Pronotum short, Avith G entire, yellow lines. Clavus with 4 or 5 

 straight lines at the base, the rest irregular, not reaching the 

 inner margin ; Corium with short, undulating yellow lines, not 

 quite reaching the anterior marginal channel, before which is a 

 black longitudinal line ; a similar shorter line also near the 

 inner margin. PaJce of the (^ cultrate, convex above, the base 

 broader than the end of the tibia?. 



Head yellow or brownish ; Face; the depression longish, not deep, 

 reaching upwards somewhat between the eyes. 



Thorax. — Pronotiim short, with 6 entire, straight, yellow lines ; 

 the longitudinal middle line shortly, slightly, and obtusely raised in 

 front. Eh/tra ; Clavus fx.ii\\e base with 4 or 5 fine, entire, straight, 

 parallel yellow lines, slightly broader inwardly ; the rest of the disk 

 with fine, irregular yellow lines, not reaching the inner margin, or 

 visible on the outer | only ; Corium w'ith undulating yellow lines, 

 traversed near the inner margin by a short, longitudinal black 

 streak, the intermediate black lines united outwardly, close to the 

 anterior marginal channel, by a distinct, black, longitudinal line ; 

 claval suture very narrowly pale ; anterior marginal channel pale 

 livid gray, or whitish, posteriorly with a short, fuscous streak ; apex 

 outwardly and on the membrane-suture with a narrow, pale yellow 

 line, the latter followed by a black one ; Membrane fuscous-black, 

 with short, broken, hieroglyphic, pale yellow markings, parallel on 

 the inner margin, the middle of the disk almost clear of markings, 

 the margins rather broadly fuscous black. Sternum pale yellow, 

 black in the middle ; xyphus black, the apex yellow, bent upwards. 

 Le(/s very pale yellow ; 1st pair, ^j«/« cultrate, in the ($ regularly 

 convex above, at the base broader than the tibiw, somewhat angu^ 

 lated above ; in the ? semilunate. 



