166. 

 COLAS DISPAR. 



Order Hymenoptera. Fam. Cynipsidae JLat.^ Leach. 



Type of the Genus Colas dispar Nob. 



Colas Nob. — Cleonymus Lat. — Pteromalus Dai. — Diplolepis Fab. — 

 Ichneumon Linn., Fab. 



Antennce of the male longer than the head, geniculated, inserted 

 in the middle of the face ; 13-jointed, pilose, basal joint long, 

 2nd small cup-shaped, 3rd and 4th like rings, the 6 following 

 cylindric, decreasing in length, the remainder forming a long, 

 indistinctly articulated conic compressed club (fig. 1) : — of the 

 female longer than the head, geniculated, pubescent, 12-jointed, 

 basal joint long, 2nd short clavate, 3rd very minute, 6 following 

 subquadrate, decreasing in length, the remainder forming a 

 conical mass (la). 

 Labium not discovered. 



Mandibles subquadrate, one with 3, the other with 4 teeth (3). 

 MaxillcE long, terminated by a single concave lobe, coriaceous 

 and hairy externally, membranous and ciliated internally. Palpi 

 rather long and slender pilose 4 -jointed, basal joint rather longer 

 than the 2nd and 3rd which are of equal length, 4th long sub- 

 fusiform, slightly produced at the insertion of the bristles (4). 

 Mentum obconic. Lip rather long, rounded, ciliated. Palpi as 

 long as the lip, 3-jointed, 2nd joint very minute, terminal one 

 elongate-conic, pilose at the apex (5). 

 Head transverse much larger in the male than female. Ocelli 3. Thorax 

 transverse, not so broad as the head. Sculellum rounded. Abdomen 

 short, depressed, spatulate in the males ; long attenuated to the apex, 

 angulated beneath in projile in the females (6, a, the base). Oviduct 

 concealed. Wings as long or longer than the body in the males, pube- 

 scent, ciliated, transparent ; superior with a nervure running from the 

 base parallel to the casta, not so far as the half, whence it is con- 

 tinued along that margin, and becomes furcate before arriving at the 

 apex. Legs sleiider. Coccas ; posterior large. Thighs nearly straight. 

 Tibiae simple with a single spine at the apex. Tarsi 5 -jointed, basal 

 joint the longest, terminal most robust. Claws hooked. Pulvilli large 

 (8, afore leg). 



Dispar Nob. 



Male. Head and thorax bright bluish green, minutely punctured. 

 Eyes fuscous. Antennae ochraceous. Abdomen metallic green, 

 subcupreous at the base, with a large ochraceous spot above the 

 middle. Wings iridescent, nervures pale ochre. Coccae green 

 at the base. Legs ochraceous : apex of tarsi and pulvilli fuscous. 

 Female. Head and thorax dull bluish green. Eyes dull castaneous. 

 Antennae fuscous, basal joint ochraceous. Abdomen chalybeous^ 

 sometimes inclining to green, blackish towards the middle and 

 near the apex. Coccae green. Legs ochraceous ; thighs green 

 except at their extremities ; tibiae brownish at the base^ apex of 

 tarsi fuscous. 



In the Author's Cabinet. 



