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122. 

 CRATERINA HIRUNDINIS. 



Order Omaloptera Leach. Fam. Ilippoboscidac hcach. 



Type of the Genus Hippobosca Hirundinis Linn. 



Cbaterina OLfers. — Stenepteryx Leac/j.— Ornithomyia Lat. — Hip- 

 pobosca Linn., Fab., S;c. 



Antenncc rigid, porrected, inserted before the eyes, close to the 

 sides of the clypeus, globose at the base, terminated by a concave 

 lobe, clothed externally v/ith long bristles and inclosing a styli- 

 form process (3, antenna in profile : 3*, underside of the same). 

 Lahrum horny, hollow, slender, dilated at the base, slightly ar- 

 cuated, inclosing the tongue (1 b and 2 b). 

 Tongue nearly as long as the labrum, very slender, dilated at the 

 base (1 c and '2 c). 



Lip a horny hollow^ sheath inclosing the labrum and tongue 

 (lgand2g). 



Maxilla;? rigid obtuse pilose, united by a membrane at their in- 

 ternal margin, bent downwards, and extending beyond the head 

 like a beak, and inclosing the proboscis when exserted (4 d) , 

 Mentum large, submembranous, covering and concealing the 

 proboscis (4). 

 Head orbicular, divided from the thorax by a suture. Ocelli very ob- 

 scure, 3 in triangle, sunk in foveolcc. Eyes lateral, very remote, 

 oval. Thorax broader than the head, subquadrate, cmarginate be- 

 fore, with two spiracles on each side. Wings inserted at the poste- 

 rior angles of the thorax, longer than the body, riarrow acuminated 

 (9). ScuteMum short broad. Abdomen submembranous suhglobose, 

 emarginate at the apex. Legs extended, large robust, 1st pair at- 

 tached close to the head. Tibiae simple. Tarsi 5 -jointed, 4 first 

 joi7its short. Claws large strong, each iridentate. Pulvilli small 

 (8, afore leg). 

 Larva nourished in the abdomen of the mother, and excluded after trans- 

 formation. Lat. 

 Pupa inclosed in the indurated skin of the larva, suborbiculnrly im- 

 pressed at one end. Lat. 



Hirundinis Linn. Faun. Suec. n. 1923. — Fab. Ent. Syst. 4. 415. 3. 

 Dull and pale ochraceous, tinged with olive. Head with a few 

 hairs down the sides, and a brown spot surrounding the ocelli. 

 Thorax surrounded with bristly hairs, and having 2 brownish 

 spots near the middle. Abdomen fuscous towards the apex and 

 very pilose. Wings narrow, curved, pale fuscous, yellowish at 

 the costa, where they are ciliated. Claws black. 



In the Author's and other Cabinets. 



