744. 

 PROCTOTRUPES AREOLATOR. 



Order Hymenoptera. Fam. Proctotrupidae. 



Type of the Genus, Ichneumon gravidator Linn. 

 Proctotrupes Lat., Hal., Curt. — Codrus Jur. Esen. — Bassus Fab. 

 AntenncB inserted in the middle of the face, remote, not so long 

 as the body, iiliform, or slightly thickened towards the apex, 

 pubescent, 13-jointed, basal joint elongate-ovate, stout, 2nd 

 small, cup-shaped, 3rd the longest, the remainder gradually 

 decreasing in length, the apical joint a little longer than the 

 penultimate, the apex somewhat conical (1). 

 Labrum transverse, semiovate, hairy (2). 

 Mandibles rather slender, slightly curved, not very acute (3). 

 Maxilla terminating in a short irregular hairy divided lobe, di- 

 lated externally. Palpi 5-jointed? longish and hairy, basal 

 joint short, indistinctly articulated, 2nd long sto«t and clavate, 

 3rd similar but a little longer, 4th the longest clavate, slenderer 

 than the preceding, 5th rather shorter and attenuated (4). 

 Mentum oblong, rounded at the base. Labium very short and 

 rounded. Palpi moderate, hairy, clavate, triarticulate, basal 

 joint longish, 2nd short, 3rd stout, elongate-obovate (5). 

 Head short and broad, face suborbicular : eyes lateral prominent and 

 oval : ocelli 3 in triangle. Thorax narroioer than the head and very 

 long : collar compressed : scutel semiglobose : metathorax long 

 narrow and rounded behind. Wings pubescent, iridescent : superior 

 with a large stigma and a very small m.arginal areolet, or a some- 

 what triangular cell ; costal and subcostal nervures parallel, a dis- 

 coidal cell and 2 longitudinal nervures are also faintly traced (9) ; 

 inferior wings nerveless. Abdomen as long as the thorax and a 

 little thicker, attached by a short thick petiole, 6-jointed, ovate- 

 conic, the apex furnished tvith 2 short appendages in the male, atte- 

 nuated in the female ; ovipositor considerably shorter than the body, 

 incurved (7) composed of 2 strong sheaths, ciliated and slightly 

 hooked at the apex (a), inclosing a slender lanceolate sheath {b), 

 which contains 2 valves (c), that are curved and pointed, and these 

 are confined by the apex of the sheath which forms a cap, into which 

 they fit, besides these there is a long broader membranous filament 

 with a rib in the centre {m). Legs rather slender, hinder long : 

 coxae, hinder with a spur at the internal apex : thighs slightly cla- 

 vate : tibiae simple, spurred at the apex : tarsi long slender and 5- 

 jointed, basal joint the longest and stoutest, 4th not much shorter than 

 the 5th : claws rather long and slender : pulvilli distinct. 



Areolator Hal. — Curt. Guide, Gen. 575, no. 6. — ephippium no. 17, 

 Shining piceous-black, disc of thorax and scutel rufous : meta- 

 thorax clothed with pale hairs, rugose, with a ridge down the 

 middle : petiole short, dilated towards the apex, striated as well 

 as the base of the following segment ; ovipositor incurved, 

 half as long as the abdomen, ferruginous ; antennae much shorter 

 than the body, brown, 4 or 5 of the basal joints ochreous : wings 

 yellowish, a little fuscous towards the apex, costal nervures and 

 stigma piceous, marginal areolet elongate-trigonate, the other 

 nervures faint ; legs ferruginous-ochre, tips of tarsi fuscous. 



