10 MUSCID^E. 



Genus III. PHANIA. 



PHANIA, Meig. Zw. iv. 218 (1824); Desv. ; Mcq.; Zett.; Westw. 



Corpus lineare. Arista nuda. Vena pr&brachialis costali ad alee apicem 

 connexa. Abdomen cylindricum, arcnatum, subtus recurvum, segmento 

 primo longo. 



Body linear. Sixth joint of the antennae bare. Prtebrachial vein 

 forming a curve at its flexure, joining the tip of tlie costal vein. Abdo- 

 men cylindrical., arched, recurved beneath at the tip ; first segment long. 

 Sexualia of the male long. 



1. thoracica, Meig. Zw. iv. 220. 4 (1824); Mcq.; Zett. Nigra, 

 capite argenteo, thorace cano nigro-quadrivittato, alis cinereis, alulis 

 albidis, halteribus ferrugineis, abdomine subtus fusco. Long. 3 ; alar. 

 6 lin. 



Black, shining. Head silvery-white; froutalia deep black, slightly 

 widening from the ocelli to the antennae; facialia without bristles; 

 epistoma not prominent. Antennas nearly reaching the epistoma ; third 

 joint straight above, slightly convex beneath, rounded at the tip, about 

 twice the length of the second; fourth and fifth very short; sixth 

 slender, stout for nearly one-fourth of the length from the base. Thorax 

 with hoary tomentiim, which encloses four slender black stripes. Wings 

 grey ; costal vein ending at a little behind the tip of the wing ; sub- 

 costal vein ending at beyond one-third of the length ; mediastinal 

 vein ending at a little before half the length ; cubital vein joining the 

 costal near its tip; prabrachial vein much curved at its flexure, very 

 slightly curved inward from thence to its tip ; discal transverse vein 

 nearly straight, parted from the border by a little more than half its 

 own length. AlulaB dingy white. Halteres ferruginous. Abdomen 

 brownish beneath. 



Bare. In the late Mr. Stephens' s collection. (E.) 



2. curvicauda, Pal. Msc. 17. 33 (1810) ; Meig. ! Zw. iv. pi. 40. 

 f. 10; Desv.; Mcq.; Boh.; Zett. Nigra, capite argeuteo, epistomate 

 prominente, thoracis lateribus anticis vittisque duabus canis, alis cinereis, 

 alulis albis. Long. If; alar. 3 lin. 



Black, shining. Head silvery ; frontalia deep black, linear from the 

 eyes to the antennae ; facialia without bristles ; epistoma prominent. 

 Antenna3 nearly reaching the epistoma ; third joint linear, rounded at 

 the tip, twice the length of the second ; fourth and fifth very short ; 

 sixth slender, stout for about one-fifth of the length from the base. 

 Thorax hoary on each side in front, and with two hoary stripes. Wings 

 grey ; costal vein ending at the tip of the wing ; subcostal vein ending 

 at about one-third of the length ; mediastinal vein ending at before 

 half the length ; cubital vein joining the costal very near its tip ; prse- 

 brachial vein slightly curved at its flexure, almost straight from thence 



