102. 

 RHYPHUS FENESTRALIS. 



Order Diptera. Fam. Tipulidae Lat., Leach. 



Type of the Genus Tipula fenestralis Scop. 

 Rhyphus Lat., Meig. Tipula Reau., Scop. Rhagio Fah. Sciara 

 Fab. — Anisopus Meig., 111. 



AntenncE alike in both sexes, inserted nearly in the centre of the 

 face, porrected, longer than the head, attenuated, very hairy, 

 16-jointed, first 2 joints forming a base for the remainder, which 

 increase in length to the end (fig. 3). 

 Lahrum horny, as long as the lip, broad and acute (lb). 

 Tongue shorter than the labrum, horny acute (c). 

 Mandibles and Maxillce none. 



Palpi exserted, incurved, longer than the lip, 4-jointed, 1st and 

 3rd joints small, 2nd very large, somewhat ovate, 4th elongate- 

 ovate (f, f, f) . 



Lip not longer than the head, bilobed haiiy (g, g, g, g). 

 Head small globular. Eyes large ovate, contiguous in the males (2*), 

 distant in the females. Ocelli 3, placed on the crown of the head in 

 the females (2), and behind the eyes upon tubercles in themales (2*). 

 Thorax gibbous. Scutellum semicircular. Abdomen nearly linear. 

 Wings rather large, parallel, incumbent, ciliated, slightly pubescent, 

 containing about 1 5 cells, the discoidal one being small and narrow (9) . 

 Halteres distinct, somewhat trigonate. Legs, anterior the shortest. 

 Tarsi 5-jointed, basal joint the longest. Claws and Pulvilli minute. 



Fenestralis Scop. Cam. 322, 858. Meig. Syst. Besc. v. I. p. 323. 

 n. 3. — cinctus Fab. Ent. Syst. 4. 275. 15. — nebulosus Meig. 

 Klass. d. Zweif t. 6.f. 5. 



Pale ochraceous. Eyes rufous. Antennae black. Head and 

 thorax slightly pubescent, cinereous, the latter with 3 longitu- 

 dinal deep brown stripes. Abdomen pubescent, clouded with 

 fuscous down the back on both sides and at the apex. Wings 

 very iridescent, stained very pale fuscous, with a large spot at the 

 apex, a darker brown one like a stigma, 2 others upon the mar- 

 ginal and 3 round the discoidal cell. Thighs and tibiae of the 4 

 posterior legs and all the tarsi brown at their apex. 



In the Author's and other Cabinets. 



