1867.] 99 



t. 1, 17, fig. 1—18 (1851) ; Walleng., Oef^. K. Vet. Akad. 

 Forh. si., 146, 9 (1855) ; Kolen., Mel. Ent. vi., 70, 276 (1857) ; 

 Fieh., Europ. Hem. 95, 21 (1861). 



CoaiSA (Corisa) pr^usta, Flor, Ehyn. Liv. i., 787, 2 (1860). 



Black -brown with ochreous markings, slightly shining. Fronotum, 

 clavus, and corium distinctly rastrate. Fronotum with 8 — 9, mostly 

 entire, black lines. Glavus and corium with similar, undulating, sub- 

 parallel, interrupted lines. Legs ochreous : 1st pair, in the ^ — thighs 

 with a spot at the base ; tibice with a large spot above, black ; palce, on 

 the first half, sub-parallel with the upper-side, broadly reflexed ; on the 

 second half widened and turned spirally inwards : 3rd pair — tarsi, Ist 

 joint posteriorly with a broad black band. 



JFead — yellowish-brown, darker in front of the crown ; Jace ochreous, 

 in the (^ extending upwards to, in a line with, the middle of 

 the eyes. 



Thorax — Fro?iotum elongate, rounded behind, disc with 8 — 9 equal 

 black lines, entire, except the middle ones, which are interrupted, 

 and the ends overlap each other ; the ochreous intervals about the 

 same breadth as the lines. Flytra — Glavus and corium with 

 similar, undulating, sub-parallel, often interrupted lines, except 

 five or six at the base of the clavus, which are wide, straight, and 

 entire ; anterior marginal channel of the corium pale livid through- 

 out ; line of the membrane-suture indistinct ; membrane covered 

 with broad, hieroglyphic pale marks, sub-parallel on the inner 

 margin, anterior margin black. Sternum black ; scapzilce, pleur<s, 

 and parapleurcB ochreous, scapula inwardlj, pleurae at the base, and 

 inwardly black. Legs ochreous ; 1st pair, in the (J — thighs with 

 a black spot at the base ; tibice arcuate, with a large black spot 

 above ; palce, on the first half sub-parallel, the upper-side broadly re- 

 flexed and depressed, on the second half widened and turned spirally 

 inward, the upper margin black ; in the $ , palce cultrate, regular, 

 apex acute, base on the under-side rather wider than the apex of 

 the tibiae : 2nd pair — thighs, often towards the apex, and tibice and 

 tarsi at the apex, brown: 3rd pair — tarsi, in both sexes, 1st joint 

 posteriorly with a broad black band from eide to side, mostly 

 covered by the long black cilia, therefore more distinctly seen on 

 the under-side; 2nd joint clear yellow, margins black. 



Abdomen above, black, counexivum ochreous ; beneath, dusky ochreous ; 

 in the (J the first 4 segments, except on the posterior margin, in 

 the ? the first two at the base, fuscous. Length 3| — 3| lines. 



