606 CORIXINA. 



black. Sternum black, side lobes pale yellow, those of the meso- 

 and metasternum inwardly, and the xyphus, black. Legs pale yellow ; 

 1st pair, palcB in the $ broad-cultrate, pointed, above convex, at 

 the base oblique and widened ; in the ? of similar form, but nar- 

 rower; 2nd pair, tarsi brown at the apex; 3rd pair, tarsi, cilia 

 dusky ; all the coxa black, dusky yellow at the apex. 



Abdomen above black; Connexivum pale; underside black, the 

 last 2 or 3 segments pale posteriorly. 



Length, 2| 2 j lines. 



Taken by Mr. GK E. Crotch, in the Cambridge Fens. 



Species 13. CORIXA STRIATA. 



PNoTONECTA STSIATA, Lin. E. S. 904 (1761) ; S. N. 712, 2 (1767). 



? CORIXA STKIATA, Leach, Trans. Lin. Soc. xii, 16, 2 (1817). 

 COEISA Fieb. Syn. Coris. No. 17 (1848); Spec. Coris. 30,33, 

 t. 2, fig. 4, palse (1851) ; Walleng. Oefr. xi, 147, 11 

 (1855) ; Fieb. Europ. Hem. 97, 28 (1861). 



BASALIS (Costa), H. Schf. Wanz. ix, 58, t. 297, fig. 918 (1850). 



(CORISA) STRIATA, Flor, Rhyn, Liv. i, 793, 7 (1860). 



Black, with transverse yellow markings, shining. Pronotum short, 

 with 6 yellow lines. Clavus at the base with a few, inwardly 

 broad, straight, yellow lines, the rest fine, irregular; corium 

 with fine, irregular, broken lines, at their outer ends crossed by 

 a distinct longitudinal black line, and near their inner ends by 

 a less distinct one. Palce of the $ broad cultrate, convex 

 above. 



Head yellow or brown ; Face; in the $, the depression short, not 

 deep, not reaching upwards quite so far as the eyes. 



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

 sides brown-black, yellow on the edge; longitudinal middle line 

 visible only on and raised across the first 2 transverse lines. Elytra; 

 Clavus with the first 4 or 5 yellow lines very broad, except at their 

 outer end, so that the base of the clavus inwardly is conspicuously 

 yellow ; the rest of the yellow lines very narrow, especially on the 

 middle of the disk, broken and irregular ; Corium with subparallel, 

 short irregular broken lines, crossed just before the inner edge of the 

 anterior marginal channel by a stout black line, leaving a narrow, 



