96 CECIDOMYZIDjE. 



59. arcuata, Winn. Linn. Ent. viii. 256. 46 (1853). Fusca, an- 

 tennis basi flavis, scutello flavo, metathorace nigro, alls limpidis cinereo 

 subvariis, maculis duabus arcuatis violaceo-fuscis, halteribus albis, abdo- 

 mine fulvo incisuris albis, tarsis nigro-fuscis ; Mas, antennis corpore lon- 

 gioribus ; Foem. antennis corporis longitudine, oviductu brevi lamellis 

 duabus longi-ovatis. Long. ^ f lin. 



Brown. Wings limpid, slightly clouded with grey, and with two curved 

 violet-brown spots ; veins brown ; transverse veinlet at a little beyond 

 the middle of the subcostal vein. Male. Antenna; twenty-six jointed, 

 one-third longer than the body ; double joints as long as their petioles ; 

 single joints a little shorter. Fern. Antennae as long as the body ; 

 joints a little longer than their petioles. Oviduct short, with two elon- 

 gated oval valves. 



Lives in the pulp of most Syngenesious plants ; the fly has been 

 reared from decayed wood and fungi. 



60. maculata, Winn. Linn. Ent. viii. 258. 47 (1853). Fcem. 

 carnea, palpis, antennis pedibusque albidis, antennis 14-articulatis 

 corpore paullo brevioribus, thorace fuscescente, alls limpidis maculis 

 septem violaceo-fuscis, oviductu brevissimo lamellis duabus longiusculis. 

 Long, lin. 



Fern. Flesh-colour. Palpi and antenna; whitish., fourteen-jointed, a 

 little shorter than the body ; joints and their petioles of about equal 

 length. Thorax brownish. Wings limpid, with seven violet-brown 

 spots ; transverse veinlet at a little beyond half the length of the sub- 

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

 Oviduct very short, with two rather long valves. Legs whitish ; tarsi 

 above and tips of the tibiae brown. 



Habits unknown. 



61. nubeculosa, n. Mas, albido-cinerea, capite antennisque nigris, 

 thoracis disco fiasco, alls subcinereis fusco subnebulosis, venis nigris, hal- 

 teribus albidis, pedibus pallide testaceis fusco-subfasciatis. Long, f ; 

 alar. 2 lin. 



Male. WJiitish-cinereous. Head and antennae black. Antenna; 

 twenty-two-jointed, rnoniliform, thickly verticillate-pilose, full as long 

 as the body ; joints alternately larger and smaller, with extremely short 

 petioles. I)isc of the thorax brown. Wings pale greyish, slightly mottled 

 with pale brown ; veins black ; subcostal vein much less than half the 

 length of the wing ; cubital very slightly curved ; subanal distinct, 

 almost straight ; first branch of the anal slight, running very near to 

 the subanal ; second branch curved very abruptly and hardly obliquely 

 to the hind border. Halteres whitish. Legs pale testaceous, slender, 

 not long, with a few light brownish bands. 



Not common. (E.) 



62. plagiata, n. Mas, pallide testacea, capite nigro, anteunis ni- 

 gricantibus basi pallide testaceis corpore vix brevioribus, alls sublet- 



