216 MUSCIDiE. 



d d. Anterina3 not near reaching the epistoma. Piophila. 

 c c c. Third joint of the antennae a little longer than the second. 

 d. Body very long. LissA. 

 d d. Body moderately long. Psila. 



Genus I. MICROPSZA. 



MiCKOPEZA, Meig. Zw. v. 382 (1826) ; Mcq. ; Zett. Musea p., P. E. S. ; 

 Schr. I. A. ; Gmel. Calobata p., P. S. A. ; Pal. ; Latr. Rhagio p., 

 Schr. P. B. Phantasma, Desv, 



Corpus longum, nudum, gracillimmn. Caimt longissimum, cuneiforme. 

 Proboscis noti exserta. Palpi subclavati. Antennae brevissimse ; ar- 

 ticulus tertius subrotundus, secundo pauUo longior ; sextus nudus. 

 Thorax longi-fusiformis. Alee breves, angustce. Abdomen sublineare, 

 thorace plus duplo longius. Pedes longissimi, gracillimi. Foem. 

 Oviductus linearis. 



Body long, bare, extremely slender. Head very long, cuneiform, with 

 a few bristles, about twice longer than broad. Prontalia very narrow. 

 Pront porrect. Pace very oblique. Eyes elongate. Proboscis short, 

 thick, not exse?ied. Palpi subclavate. Antennae very short ; third joint 

 nearly round, a little longer than the second ; sixth setaceous, slender, 

 bare. Thorax elongate-fusiform. Wings short, very narrow ; costal 

 vein ending at the tip of the wing ; subcostal ending at about one-sixth 

 of the length ; radial ending at one-fifth of the length ; cubital and 

 praebrachial slightly diverging to beyond the discal transverse, slightly 

 converging from thence to the border; discal transverse straight, up- 

 right, parted by full four times its length from the prsebrachial trans- 

 verse, and by more than its length from the border. Abdomen nearly 

 linear, more than twice the length of the thorax. Legs very long and 

 slender ; tibiae with veiy short bristles. Fern. Oviduct linear. 



1. corrigiolata, L. S. N. ii. 995 (1767); P.; Schr.; Gmel.; 

 Meig. ; Mcq. ; Zeii.—Jiliformis, P. ; Pal. ; Latr. ; Uesv. Nigra, capite 

 subtus et antennarum articulo sexto albis, alis subcinereis, abdomine 

 flavo-fasciato, pedibus fulvis, femoribus posterioribus fusco-bifasciatis, 

 tarsis fuscis. Long. 4 ; alar. 4 lin. 



Black, with slight glaucous tomentum. Head white beneath. An- 

 tennae black; sixth joint white. Wings sliglitly greyish. Ilalteres 

 white. Hind borders of the abdominal segments with yellow bands, 

 which are most conspicuous beneath. Legs tawny ; posterior femora 

 with two brown bands near the tips ; tarsi brown. 



Not rare. (E.) 



Micropeza lateralis and Tetanura pallidiventris have been re- 

 corded as British species. 



