128 CECIDOMYZID^;. 



dish-browm stripes. Wings brownish, with grey pubescence; veins 

 brown; anal vein and its second branch forming an obtuse angle. 

 Legs long, pale brownish ; tarsi whitish. 

 Lives on decayed wood. 



158. analis, Winn. Linn. Ent. viii. 300. 91 (1853). Mas, nigra, 

 antennis 16-articulatis corpore longioribus, articulorum petiolis elon- 

 gatis, humeris alls basi scutello et metathorace fulvis, pectore nigro- 

 cinereo, alis subfuscescentibus cinereo-pilosis, venis fuscis, halteribus 

 albis, abdomine sordide fusco-Jlavo incisuris nigricantibus, pedibus lon- 

 gissimis nigro-fuscis, femoribus basi carneis. Long. 1 lin. 



Male. Black. Antenna? six teen-jointed, half as long again as the 

 body, yellow at the base ; petioles towards the base as long as the joints, 

 longer by half towards the middle, and shorter towards the tips of the 

 antenna3. Humeri, wings at the base, scutellum, and metatJiorax tawny. 

 Pectus blackish-brown. Wings brownish, with grey pubescence ; veins 

 brown ; second branch of the anal vein curved to the hind border. 

 Halteres white. Abdomen dingy brownish-yellow ; sutures blackish. Legs 

 blackish-brown, very long ; femora flesh-colour at the base. 



Habits unknown. 



159. nigrina, n. Fcem. nigra, antennis 12-articulatis corpore 

 multo brevioribus, alis angustis subcinereis, venis nigricantibus, halte- 

 ribus pedibusque fuscis, oviductu longissimo. Long. J ; alar. 2 lin. 



Fern. Black. Antenna? twelve-jointed, submoniliform, much shorter 

 than the body ; joints nearly elliptical, with very short petioles. Wings 

 narrow, slightly greyish ; veins blackish ; subcostal vein nearly half the 

 length of the wing ; cubital almost straight, ending at a little behind 

 the tip of the wing ; subanal and first branch of the anal almost obso- 

 lete ; second branch curved obliquely and not abruptly to the hind 

 border. Halteres and legs brown, the latter moderately long and 

 slender. Oviduct as long as the body. 



Not rare. (E.) 



The Subgen. Epidosis also includes the three following species : 



C. fragilis, Loew. 

 C. longipes, Loew. 

 C. sericata, Loew. 



160. pectoralis, Winn. Linn. Ent. viii. 303. 95 (1853). Fulva, 

 capite flavo, antennis pallide fuscis basi flavis, thorace vittis tribus fuscis 

 aut nigris, alis limpidis cinereo-hirtis, venis fuscis, halteribus albidis, 

 pedibus pallidis, femoribus tibiisque supra tarsisque fuscescentibus ; Mas, 

 antennis 16-24-articulatis corpore longioribus longi-verticillato-pilosis, 

 petiolis longis ; Fcem. antennis 15-26-articulatis corpore brevioribus, 

 articulorum petiolis brevissimis aut nullis, oviductu elongato lamellis 

 duabus parvis longiusculis. Long, -i-1 lin. 



Tawny. Head yellow. Antenna? pale brown, yellow at the base. 

 Thorax with three brown or black stripes. Wings limpid, with grey 



