— 253 — 



3. Gen. Tetrastichus Hal. 



1. Thorax marked with yellow. Body black and lemon-yellow. 



с it r in us T h о m s. 



Body not marked with yellow 2 



2. Body black, sometimes black with dark-metallic tint .... 3 

 Body green or blue, with metallic tint 10 



3. Legs except femora and tibiae at the end at apex fuscous. 4 

 Tibiae yellow or brown yellow, sometimes with fuscous ring 



below the base 5 



4. Lines on the scutellum and median line on the mesonotum 



sometimes wanted. Black, with slight copper tint .... 



coccinellae К u r d j u m о v. 



Lines on the scutellum deep; median line on the mesonotum 



distinct. Black with violaceous tint . . violaceus, sp. n. 



5. Legs white or white-yellow, coxae marked with fuscous, an- 



tennae brownish. Body black . . . pallicornis T h о m s. 

 Legs darker 6 



6. Femora fuscous, tibiae brown; stigmal vein less than a half 



as long as marginal vein; wings ample, hind coxae with 



dense punctures puncticoxae, sp. nov. 



Tibiae yellow 7 



7. Abdomen almost round or short-ovate. Stigmal vein almost 



^/b the length of the marginal one 8 



Stigmal vein not shorter than one half the length of the mar- 

 ginal vein. Abdomen ovate or conic-ovate 9 



8. Hind tibiae with fuscous ring below the base. Length 2 mm. 



miser N e e s. 

 (Syn.: а^/я/м5 Walker). 

 Hind tibiae yellow, without fuscous ring. Length 0,9 mm. . 



pubescens N e e s. 



9. Abdomen ovate. Stigmal vein as long as V2 of the margi- 



nal. Scape of antennae reaching the front ocellus. Black; 

 trochanters, femora at apex, tibiae and tarsi yellow . . . 



subdepressus T h о m s. 

 Abdomen conic-ovate; stigmal vein longer than ^/2 of the 



marginal. Scape of antennae shorter . . . .* 



pediccllaris Thorns. 



10. Length 0,(i4 — 0,75 mm. Club of antennae longer than the 



whole funicle. Dark green; tibiae and tarsi yellow . . . 



xanthomelaenae Rond. 

 Not so shaped and not so small 11 



11. Ovipositor prominent; tibiae sometimes fuscous 12 



Ovipositor hidden; tibiae always yellow 15 



PyccK. Энтом. Обозр, XIII. 1913. № 2. 



