504 GNATS OR &IOSQUITOES — CHAPTER XV 



Description from Mr. Theobald's " rough notes." — Cor. Crysallina, 

 De G., Cor. lateralis, Latr. ; Cor. Hafnienais, Gimmel. This species can 

 be at once disting^uished from Cor. ciiUciforiiiiH by the brown banded, 

 tastaceous antennse, and by the pectus and sides of the thorax being 

 whitish ; the abdomen is pale brown and liairy. Legs pale testaceous 

 and pubescent. 



Habitat. — Europe, as far nortli as Denmark ; England. 



7. CORETHRA MANILLENSIS, Schiuei. 



Wings unspotted. Legs uniformly pale yellow. Antenniu 

 yellow with black rings. Abdomen without bands. 



Description from " Reise der Novara," Diptera. p. 30. — Pale reddish- 

 yellow, the thorax dull, with three more deeply coloured, longitudinal 

 stripes, the middle one of which, clearly defined elsewhere, is diffuse in 

 front. Scutcllnm with a clearer median luie. Abdomen somewhat 

 glistening, with very delicate long hairs, tlie last two segments brownish. 

 The claspers of the male genital apparatus extend to a length exactly 

 that of the last abdomuiul segment. Head clear yellow ; the eyes black ; 

 the antenniK yellow with black rmgs ; the tuft of plumes light brownish- 

 yellow ; the palpi clear yellow. Legs very pale yellow, almost whitish ; 

 the tibia? fringed with long, but very fine hairs. AVings yelloM'ish, wth 

 reddish-yellow veins, wliich are thickly fringed, the fork of the marginal 

 veins somewhat longer than that of the discoidal veins. Length. — 2 lines 

 (German). 



The species corresponds m habit witli Cor. pallens, Schmer, but can 

 be distinguished at a glance by the uniform colouration of the legs. 



Habitat. — Manilla. 



8. CORETHRA CULICIFORMIS, De Geei (1776). 



= Tipula culiciforiiiis, De Geer. 



(Jlem. pour serv. :\ I'Hist. d'lus. vi, 372, De Goer ; Hist. Nat. Cr. et lus. xiv, 

 288, Latreille ; Dipt. Bescbr. i, IG, 2, Meigen ; Hist. Nat. Dipt, i, 47, 2. 

 Macquart ; Regn. Anim. 2nd. edit.) 



Wings unspotted. Legs uniformly coloured. Antennae un- 

 handed. Darker in colouration tlian most of the other species. 



Head chestnut-brown ; rostrum brown, with dark hairs ; palpi dark 

 brown, with dark brown hairs ; eyes black and silvery ; antennie yiale 

 ochreous, with scarcely any trace of banding, and dark verticillate hairs. 

 Thorax pale grey, with two broadish chestnut-brown median lines sepa- 

 rated by a narrow pale line, with two broad lateral lines on the posterior 

 half of the mesothorax, the space between them and along the sides and 

 between the two median lines chestnut-brown ; golden-brown bristles 

 over the roots of tlie wings, and narrow curved hair-like scales on the 



