158. 

 PERILAMPUS PALLIPES. 



Order Hymenoptera. Fam.' Cynipsidae LiUt.^ Leach. 

 Type of the Genus Cynips Italica Fab. 

 Perilampus Lat. — Diplolepis Fab., Panz. — Chalcis Jiir., Panz. — 

 Cynips Fab., Oliv., Lat. 



AntenncE alike in both sexes, approximating, inserted in the 

 middle of the face, geniculated, pubescent, IS-jointed; basal 

 joint long slender, 2nd small cup-shaped, 3rd like a ring, the 

 remainder forming a long robust, subfusiform mass, the first joint 

 the longest, the 6 following cup-shaped, the 3 last sometimes 

 obscure, the apical one minute conical (fig. 1). 

 Labrum concealed beneath the clypeus, very minute, quadrate, 

 emarginate producing spines terminated by bristles (2). 

 Mandibles large concave, one being trifid (3), the other bifid (3*). 

 MaxillcB long, terminated by a single concave lobe, coriaceous 

 and hairy externally, membranous and ciliated internally. Palpi 

 long, filiform, basal joint longer than the 2nd or 3rd, which are 

 of equal length, terminal joint the longest, subfusiform, slightly 

 bent, pilose, sinuated internally (4). 



Mentum elongated, conical posteriorly. Lip rather long con- 

 cave, edges conniving. Palpi long, 3-jointed, basal joint the 

 longest, clavate, 2nd minute, 3rd elongate conic, pilose (5). 

 Clypeus distinct. Head short, vertical, as broad as the thorax : face 

 orbicular, concave above to receive the basal joint of the antennce. 

 Eyes rather small lateral. Ocelli 3, in a curved line. Thorax 

 transverse cylindric, prothorax very short. Scutellum large more or 

 less triangular, projecting over the Abdomen which is short depress- 

 ed, rhomboidal or triangular. Ovipositor concealed. Wings as long 

 as the abdomen, pubescent, transparent, superior with a nervure run- 

 ning from the base, parallel to the costa as far as the middle, where 

 it extends a short space along that margin, and is furcate at the ex- 

 tremity ; inferior small, sublanceolate, with a nervure parallel to the 

 costa, extending only half their length. Legs slender. Thighs slightly 

 clavate, nearly straight. Tibiae simple terminated by 2 spines. Tarsi 

 5-jointed, basal joint a little the longest, terminal incrassaled. Claws 

 and Pulvilli distinct (8, afore leg.) 



Pallipes Nob. 



Female. Head minutely punctured, aeneous ; face black ; eyes 

 cinereous 3 antennae ferruginous, 1st and 2nd joints black. Tho- 

 rax and scutellum dull brassy green, regularly reticulated. Ab- 

 domen quadrangular, chalybeous, slightly pubescent. Wings 

 scarcely stained with yellow, iridescent, nervures fuscous. Legs 

 violaceous, apex of thighs and a portion of the apex of the ante- 

 rior tibiae, especially on the inside ochraceous, tarsi of the same 

 colour ; pulvilli black. 

 Male smaller, abdomen obovate or conic, obtuse. 



In the Cabinets of Mr. Stephens and Mr. Bainbridge. 



