50. 

 LIMNOBIA OCELLARIS. 



Order Diptera. Fam. Tipulidae Lat.^ Leach. 



Type of the Genus L. dispar Megerle. 

 LiMNOBiA Meig. Litnonia Meig., Lat. Tipula Linn., Fab. 



Antennce porrected, longer than the head, abruptly setaceous, 

 15 — 17-jointed, each joint having a ^e\\ hairs arising round the 

 middle, first joint long, robust, cylindric, second globose, four 

 or five following subturbinaied, the remainder more or less 

 clavate. (f. 3.) 



/.airMmand") , i * * /,->ji.u \ 



rp ^ f horny, short, acute. (2*b.) 



Lip very large, dilated, bilobcd, membranaceous, hairy. (2*9.) 

 Palpi 2, exserted, incurved, cylindric, composed of five joints of 

 nearly equal length. (2. f. and 2*f.) 

 Head small, long, oval, slightly inclining downward, narrowed behind, 

 and like a cylindric, compressed, attenuated rostrum be/ore. (2.) 

 Clypeus ? broad quadrate. (2*.) Ocelli none. Eyes oval, entire. 

 Thorax gibbous with a distinct transverse segment before. Body very 

 long, cylindric, apex somewhat incrassated in the males, acuminate 

 in the females. Oviduct spiniform, corneous, bivalved, valves very 

 acute. Wings incumbent, parallel, ciliated, having about 17 cells, 

 3 of which are discoidal, nerves naked. (9.) Halteres naked, club 

 trigonate. Feet very long, vibratory. Tarsi 5 -jointed, Jirst joint 

 very long. 



OcELLARis Linn. Syst. Nat. 2. 973. 17. Fab. Ent. Syst. v. 4. p. 240, 

 H. 30. Meig. Syst. Bes. v. ] . p. 152. n. 65. 

 Dull ochraceous, hairy. Eyes, first and second joints of antennae, 

 bides of the abdomen, a line down the back of the four last joints 

 and a ring round the middle of each thigh, black ; four lines on 

 the thorax, 2 spots near the b;ise of the wings, and scutellum 

 fuscous. Wings stained pale yellow, deej)est towards the costa, 

 with many fuscous ocelli towards the middle, and spots of the 

 same colour along the margins^ nerves fuscous. Halteres very 

 pale. 



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



Meigen enumerates 65 species o^ Limnobia, including Tipula 

 rivosa and one or two otliers, which ought probably to be 

 removed from the Genus; and so various are tlie nervures of 

 their wings, that he has divided them into 21 sections. In 



