46. 

 ASILUS GERMANICUS. 



Order Diptera. Fam. Asilidai Lat., LcacJi. 



Type of the Genus Asllus forcipatus Linn. 



AsiLUS Linn., Fab., Lat., Meig. Erax Scop. Dasypogon Fab. 



AntcnncE approximating, porrectecl, inserted in the middle of the 

 face, scarcely longer than the head, o-jointed, first joint cylin- 

 dric, second clavute or cup-shaped, shorter than the lirst, third 

 long, attenuated, sliijhtly compressed, fourth small, fifth long, 

 slender like a bristle. (;i) 



Labium short, broad, obtuse, membranaceous at the apex, cori- 

 aceous at the base. (1. b.) 



Tongue very long, horny, acuminated, grooved beneath, pube- 

 scent towards the apex, (c.) 

 Mandibles none. 



Maxilhe not so long as the tongue, slender, rather dilated and 

 membranaceous towards the apex, (e.) 

 Palj)i short, cylindric, clavate, hairy, (f.) 



Lip large, cylindric, very horny, hairy, hollow, open at the base, 

 terminated by two small lobes surrounded by hairs, (g.) 

 Head rather small, transverse, short, attached by a distinct neck. 

 Proboscis exserted. Clypeus produced, bearded. (2.) Eyes distant 

 in both sexes. Ocelli 3. Thonw large, gibbous. Scutellum roi/»</tY/. 

 Abdomen long, obtuse in the males, acuminated and compressed at 

 the apex in the females. Wings incumbent, with 15 or 16 cells, 

 4 perfect cells upon the posterior viargin, submarginal cell pedicled 

 at the apex, Jirst marginal cell narrowed, extending only to the 

 middle. Halteres naked, elongated. Feet robust, long. Tibiie 

 straight spined. Tarsi ^-jointed, hairy, Jirst joint the longest. Pul- 

 villi 2, large (8 afore leg.) 



Gkhmanicus Linn. Syst. Nat. 2. 1008. 12. Fab. Ent. Syst. t. 4. 

 p. 383. n.Sl. mas. — Meig. Syst. Bes.v. 2. p. 318. n. 18. Tibialis 

 Fab. Ent. Syst. n. 30. fem. 



Male black, shining, hairy. Eyes cupreous. Thorax black, 

 with two pale longitudinal lines. Abdomen black, glossy, tinged 

 with blue, the last three segments with black hair, the remainder 

 of the abdomen, thorax, underside and head with yellowish hairs. 

 Wings fuscous, pearly white towards the base. Tiiighs black. 

 Halteres, tibiae and tarsi red brown, black at their extremities. 



In the Cabinet of the British Museum. 



TiiK vast stores of Natural History, especially insects that 

 have been received troiii all })arts of liic globe since the ilays 



