610 CORIXINA. 



Species 16. CORIXA MCESTA. 



COEISA M(ESTA, Fieb. Syn. Coris. No. 23 (1848) j Spec. Coris. 34, 39, t. 2, 

 fig. 17, palse $ & $ (] 851) ; Europ. Hem. 98, 30 (1861). 



Above fuscous-brown, with pale, indistinct, transverse lines, dull. 

 Pronotum with 6 lines. Elytra with slender, abbreviated, 

 flexuous, subparallel lines. Palce in the <? broad- cultrate, apex 

 truncate, produced beneath into an obtuse angle. 



Head shining, pale yellow, posterior margin brown, augulated in 

 the middle ; Crown often darker ; Face ; in the $ the depression 

 narrow, not reaching upwards to the base of the eyes. 



Thorax. Pronotum very short, rounded posteriorly, with 6 nearly 

 straight, mostly entire, narrow, dim yellow lines. Elytra with fine, 

 flexuous, abbreviated, subparallel lines ; on the base of the Clavus 

 straight, entire, wide at their inner end ; Corium ; anterior marginal 

 channel yellowish-fuscous, black on the outer edge of the embolium, 

 yellowish inwardly; apex broadly dingy yellowish, without lines; 

 membrane-suture dingy yellowish, undefined ; Membrane with un- 

 dulating, angulated lines, very indistinct on the anterior and posterior 

 margins, parallel on the inner margin ; anterior margin somewhat 

 broadly black. Sternum black; lobes yellow, of prosternum 

 entirely ; scapulae and pleura inwardly black ; xyphus long, narrow, 

 acute, black, the margins narrowly reflexed, and at times yellowish 

 posteriorly. Legs orange-yellow; 1st pair, ;;07<2?, in the <, broad- 

 cultrate, apex truncate, produced beneath into an obtuse angle ; in 

 the $ narrow, not widened at the base, convex above, apex acute ; 

 2nd pair, tibice and tarsi, at the apex a brownish spot ; 3rd pair, tibia 

 with a brown line above, tarsi with black cilia, forming a line down 

 the middle. 



Abdomen above black ; Connexwum pale dingy yellow j genital 

 segments pale on the posterior margin; underside obscure yel- 

 lowish, posterior margin of the segments yellowish ; in the <$ the 

 first 4 or 5 segments, in the $ the first 2, black ; Genital segments 

 fuscous-black, posterior margins yellowish. 



Length, 2 lines. 



Not rare in stagnant water, April and September. 



