69. 

 BRACON DENIGRATOR. 



Order Hymenoptera. Fam. Ichneumonidae Lat.^ Leach. 

 Type of the Genus Ichneumon desertor Linn. 



Bracon Jur., Fab., Lat., Panz. Ichneumon Linn., Fab. Vipio Lat., 

 Hist. Nat. 



Antenna inserted in front of the head, nearly filiform, somewhat 

 thickened towards the extremity in the male only, pubescent, 

 composed of about 47 joints, 1st joint robust, elongated, trun- 

 cated, 2nd cup-shaped, 3rd longer than the following, which de- 

 crease in length imperceptibly to the last joint which is conic 



(fig- 1). 



Labrum coriaceous, trigonate, inflexed, apex acute, membrana- 

 ceous appendage small, lanceolate. Lat. 

 Mandibles small, acute, internal edge sinuated (3). 

 Maxillce small, terminal lobe large, trigonate, somewhat acute, 

 hairy, coriaceous externally, membranaceous internally : Palpi 

 very long, pilose, 1st and 2nd joints small, the 3 following long 

 of nearly equal length, the first being very robust, the last 

 slender (4). 



Mentum elongated, dilated anteriorly, deeply emarginate (5 a) : 



Palpi longer than the lip, pilose, 3-jointed, 1st joint short, 2nd 



long, robust, clavate, 3rd long, somewhat slender cylindric (b) : 



Lip entire, concave, sides conniving externally (c). 



Head quadrate. Ocelli 3, distant in the males, approximating in the 



females. Abdomen somewhat depressed, nearly sessile, ovate m the 



males, obovate in the females. Oviduct in some longer, in others 



shorter, than the body (6). Wings pubescent, with I marginal, 



2 submarginal and 2 discoidal cells, the marginal and 2nd submar- 



ginal cells elongated in the females (9). Legs robust. Thighs short. 



Tibiae spurred. Tarsi 5-jointed, \st joint elongated, 4tfi minute. 



Claws simple. Pulvilli distinct. 



Denigrator Linn. Syst. Nat. 2. 934. 28.— Fa6. Ent. Syst. v. 2. 

 p. 161. n. 112. 



Black, smooth, shining, slightly pubescent, abdomen orange, 

 .shining, punctured pubescent. Wings iridescent, dark fuscous, 

 with a transverse obscure, whitish, lunulated mark, crossing the 

 1 st submarginal cell, nerves strong, piceous : female larger than 

 the male : oviduct shorter than the abdomen. 



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



Although there are a considerable number of minute species 

 witli transparent wings which are comprised in the genus 



