395. 

 ENCYRTUS VITIS. 



Order Hymenoptera. Fam. Cynipidae. 



Txjpe of the Genus, Encyrtus scutellaris Dalm, 

 Encyrtus Lat., Dalm., Curt. — Mira Schel. — Ichneumon and Chry- 

 sis Rossi. 



Antennce inserted towards the lower part of the face, remote, 

 geniculated, pilose clavate and composed of 13 joints ; basal 

 joint very long in the female, distinctly articulated with a slender 

 scape, 2nd and 3rd minute rings, 4th elongate obtrigonate, the 

 remainder gradually increasing in diameter and decreasing in 

 length until they become cup-shaped, the 3 last joints being 

 closely united, somewhat compressed and truncated at the apex 

 (1 (5^); more slender in the male, basal joint shorter, annelli very 

 indistinct, the following joint obtrigonate, the next and succeed- 

 ing oblong clothed with very long hairs, the three terminal joints 

 closely united and forming an elongate conical club (1 $). 

 Labruin undiscovered. 



Mandibles concavo-convex, broad and thin, rounded at the apex 

 and slightly hooked, producing a few long hairs (3). 

 Maxillce small terminated by a large rounded pilose lobe with a 

 smaller one on the inside. Palpi more slender than the labial, 

 rather long and 4-jointed, 1st and 2nd joints of equal length 

 subclavate, 3rd much shorter obovate, 4th the longest and 

 stoutest, subfusiform and very pilose (4). 



Mentum small oblong, subovate at the apex. Palpi attached to 

 the anterior margin, approximating, rather stout, pilose and 

 biarticulate, basal joint obovate, 2nd rather larger, ovate-conic. 

 Lip rather long and narrow (5). 

 Head broad hemispherical, concave behind. Eyes rather large but re- 

 mote. Ocelli 3 in triangle situated at the hack part of the crown. 

 Collar short. Scapulae minute. Frsena transverse, almost concealed. 

 Scutellum large, sometimes bearded at the apex. Abdomen short, 

 depressed, more or less ovate-conic ; ^ietlole i?idistinct. Wings pu- 

 bescent ; superior rounded, with a subcostal nervure extending to the 

 middle where it forms a short branch into the wing ; inferior rather 

 short and narrow. Legs very dissimilar, compressed, anterior pair 

 short: thighs long and slender in the intermediate pair : tibiae rather 

 broad, furnished with a spine at the apex, which in the intermediate 

 pair is long and robust and the tibia is narrower and subclavate (8'^) : 

 tarsi long, 5'jointed, basal joint the longest : pulvilli large and mem- 

 branous with 2 minute claws. 

 Ohs. The dissections are taken from a female of E. Vitis. 



ViTis Nobis. — Curtis's Guide, Gen. 598, w. 1 '. 



In the Cabinets of Mr. Samouelle and the Author. 



This singular and extensive genus is distinguished from the 

 other Cynipidas by the branch of the wing springing from the 

 apex of the subcostal nervure, as well as by the long spurred 

 intermediate legs. In this genus the form of the antennae is 



