341. 

 GALESUS FUSCIPENNIS. 



Ord. Hymenoptera. Fam. Proctotrupidae Cwr^. Oxy wvi Lat. 



Type of the Genus, Psilus cornutus Panz. 

 Galesus Hal. MSS., Curtis. — Psilus Panz., Jur. — Diapria Lat. 



Antennce inserted on the edge of a large cup formed by tlie pro- 

 jection of the face, very pubescent and pilose, as long as the 

 body, geniculated, filiform in the male and 14-jointed, basal joint 

 the longest curved and angulated on the inside, 2d and 3d joints 

 the shortest and slenderest, the remainder robust and oblong, 

 the terminal joint long and conical (I) : shorter clavate and 12- 

 jointed in the female, the 2d and 3d joints being rather longer 

 than the following, suboval, 4th and 5th ovate, the following 

 moniliform, increasing in size to the terminal joint, which is 

 long and conical (1 a). 



Lahrum} subcordate, ciliated with long hairs (2). 

 MancZi6Zes approximating, rostrlform, porrected, long and slightly 

 pilose, bent and pointed at the apex, the inside very much sinu- 

 ated, with a tooth towards the apex (3). 



Maxillce externally corneous, terminated by 2 thin semioval 

 plates, lying close together, one producing a series of bristles, 

 the other ciliated. Pulpi rather long and slender, attached ap- 

 parently to a minute scape, 5-jointed, 1st and 2nd joints nearly 

 of equal length, 3d short oblong, 4th and 5th dilated, the former 

 at the apex, the latter is the longest and truncated obliquely (4). 

 Mentum lozenge-shaped, anterior margin rounded, beyond which 

 extends a fleshy Labium. Palpi biarticulate, basal joint slender 

 and clavate, 2d rather longer, robust, pilose (5). 

 Trophi dejiexed (If) forming a rostrum beneath the Head which is 

 oval, the crown elevated in front with a short horn on each side the 

 face sloping inward to the clypeus. Eyes lateral small and oval. 

 Ocelli 3, placed on the fore part of the crown of the head, very large 

 ( I *, underside of the head of a female, 1 1 the same in profile) . Neck 

 distinct. Thorax broader than the head, elongate-ovate, the sutures 

 very strongly marked: squamulse very large and covering the base of 

 the superior wings. Scutellum emarginate at the apex the angles 

 acute. Petiolus robust andjlutcd. Abdomen elongate-ovate rather 

 conical at the apex in the female, basal joint with a deep channel at 

 the base and covering the whole body, excepting the apex. Wings 

 iridescent, pubescent and ciliated, superior very large, narrow at the 

 base, rounded at the apex, with a short subcostal nervure, a transverse 

 curved callous nervure near the base and several nervures indicated 

 only, and no cells : inferior wings small and narrow. Legs rather 

 short and slender : coxae long : thighs short and incrassated : tibiae, 

 anterior very slender at the base and robust at the apex, producing 

 a long curved and acute spine, dilated below the apex : tarsi 5-joint- 

 ed, basal joint long, curved at the base and beautifully pectinated i/i 

 the anterior pair, terminal joint shorter than the basal one: claws 

 acute: pulvilli membranous (8, afore leg). 



FusciPENNis Curtis's Guide, Gen. 570. No. 1. 



In the Cabinets of Mr. Walker and the Author. 



