220 CHIEONOMID^E. 



spots. Halteres white. Abdomen blackish-brown, clothed with greyisli 

 hairs, which are longer than those of the thorax. Legs pale brown. ; 

 femora and tibiae with a white ring near the knees, which are black ; tibiae 

 sometimes with dark tips ; tarsi whitish. Male. Plumes of the antennae 

 brown, glistening-white towards the tips. Second joint of the tarsi 

 slender. Fern. Second joint of the tarsi stout, almost oval. Antennae 

 brownish, darker towards the tips ; joints from the first to the eighth 

 oval, the five last long, elliptical. Wings pubescent, darker than those 

 of the male ; veins distinct, blackish-brown towards the costa. 

 Eare. (E.) 



33. arcuatus, Winn. ! Linn. Ent. vi. 39. 33. pi. 5. f. 33 (1852). 

 Mas et Fcem. Jlavo-cinereus, palpis fusco-jlavis, scutello flavo out flavo- 

 marginato, alls cinereis maculis nonnullis magnis limpidis parvisque fuscis, 

 halteribus albis, abdomine obscure fusco, pedibus pallidis, genubus tibiisque 

 apice nigro-punctatis ; Mas, antennarum plumis auratis ; Fcem. antennis 

 albidis apice fuscescentibus. Long. |~| ; alar. 1^ lin. 



Male and Fern. Yellowish -cinereous. Palpi brownish-yellow. Scutellum 

 yellow, or with a yellow border. Wings grey, pubescent, limpid at tJie 

 base, and adorned with some large limpid spots and with a few small 

 brown spots. Halteres white. Abdomen dark brown, sometimes yellowish 

 at the base and beneath in the living insect. Legs pale, with little black 

 dots on the knees and on the tips of the tibia. Male. Plumes of the 

 antenna3 gilded-brown. Fern. Antennas whitish, pale brown towards 

 the tips, clothed with whitish hairs ; joints from the first to the eighth 

 oval, from the ninth to the thirteenth elongate-elliptical. Wings much 

 darker than those of the male. 



Not common. (E.) 



34. pulicaris, Linn. F. S. 1892 (1767) ; F. ; Gmel. ; Meig. ; 

 Mcq. ; Dahlb. ; Sta-g. ; Zett. ; Es. ; Winn. ! Linn. Ent. vi. pi. 5. f. 34. 

 -punctata, Latr. ; Panz. Mas et Fcem. cinereus, palpis fuscis, thorace 

 vittis duabus lateralibus obscure fuscis, alls albis fusco-guttatis, halteribus 

 albis, abdomine nigro-fusco, siduris scepissime albidis, pedibus pattide fuscis, 

 tibiis posticis basi albidis, tarsorum articulis apice obscuris ; Mas, anten- 

 narum plumis flavido-fuscis auratis; Fcem. antennis fuscescentibus. Long. 

 f-1 ; alar. l-2 lin. 



Grey. Palpi brown ; first joint slender. Thorax with a dark brown 

 stripe on each side in front of the wings. Pectus and scutellum brown. 

 Wings white, with brown dots, of which three along the costa are larger 

 and darker than the others. Halteres white. Abdomen blackish-brown ; 

 sutures of the segments generally whitish. Legs pale brown ; hind tibia 

 whitish at the base ; tarsi paler, their joints with dark tips. Male. Plumes 

 of the antennae yellowish-brown, gilded. Fern. Antenna brownish ; 

 joints from the first to the eighth oval, from the ninth to the thirteenth 

 elongate-elliptical. 



Generally distributed. Very abundant and annoying in marshy 

 places. (E. S. I.) 



