CORIXIDJ3. 611 



Species 17. CORIXA FOSSARUM. 



CORIXA FOSSARTJM, Leach, Trans. Lin. Soc. xii, 17, 4 (1817). 



CORTSA Fieb. Syn. Coris. No. 21 (1848) ; Spec. Coris. 32, 37, 

 t. 2, fig. 15, pals (1851); Walleng. OefV. 149, 15 

 (1854)- Fieb. Europ. Hem. 98, 32 (1861). 

 (CORISA) FOSSARUM, Ftor, Kliyn. Liv. i, 795, 8 (1860). 



Above fuscous-black, with pale yellow markings, slightly shining. 

 Pronotum short, with 6 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. Palce of the $ cultrate, convex above, the base 

 broader than the end of the tibiae. 



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

 reaching upwards somewhat between the eyes. 



Thorax. Pronotum short, with 6 entire, straight, yellow lines 5 

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

 front. Elytra ; Clavus at the 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 with 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. 

 Legs very pale yellow ; 1st pair, pales cultrate, in the regularly 

 convex above, at the base broader than the tibiae, somewhat angu-* 

 lated above ; in the $ semilunate< 



