BY FREDERICK A. A. SKUSE. 877 



375. Gynoplistia flavipennis, sp.n. (PI. xxiii., tig. 38). 



^ — Length of antennae 0*130 inch .. 3*30 millimHres. 



Expanse of wings 0-350x0090... 8'87 x 2-27 



Size of body 0-440 x 0-060 ... 11-17x1-54 



9. — Length of antennae 0-120 inch ... 3-04 millimetres. 



Expanse of wings 0-420x0-100 ... 10-66x2-54 



Sizeof body 0-440x0 060... 11-17x1-54 



Head shining, black, slightly violaceous, with short brownish 

 hairs ; rostrum, palpi, and antennae brown or blackish, the rostrum 

 and first two or three antennal joints more or less brownish-ochre- 

 ous or even dull testaceous-yellow ; ^ antennae 19- or 20-jointed, 

 the first 13 flagellar joints with long branches, the last four or five 

 branches decreasing in length ; last four or five joints more or less 

 elliptical ; in ^ 18-jointed, the first 10 flagellar joints with short 

 branches, the tenth a mere tooth ; remaining six joints more or 

 less elliptical, the terminal one elongate; in both sexes the first two 

 branches directed outwards. Collare deep brown. Thorax black, 

 levigate, with yellowish hairs ; scutellum brown ; metanotum 

 violaceous-black ; pleurae with a hoary bloom. Halteres brownish- 

 ochreous. Abdomen testaceous to light reddish-brown, shining, 

 the first segment and genital organs deep violaceous-black, the 

 9 ovipositor sometimes more brown ; ^ forceps smaller than in 

 G. bimaculata, and the terminal claw-shaped appendages more 

 slender and more hooked (PI. xxiv., fig. 69); 9 ovipositor slightly 

 curved. Coxse black, with hoary bloom ; trochanters fulvous ; 

 femora fulvous, ringed (broadly in hind pair) with brown at the 

 apex ; tibiae obscure testaceous or yellowish-brown, infuscated at 

 the apex ; tarsi brown. Wings pellucid, with a pale yellow tint, 

 the origin of praefurca and inner ends of sub-marginal cell some- 

 times indistinctly infuscated ; stigma distinct, rather elongated, 

 brownish ; veins dark brown. Auxiliary vein reaching costa oppo- 

 site middle of petiole of first sub-marginal cell ; sub-costal cross- 

 vein near its tip ; marginal cross- vein situated rather more than 



