BY FREDERICK A. A. SKUSE. 691 



111. SCIARA MiESTA, Sp.n. 



(J. — Length of antennae O'lOO inch ... 2*54 millimetres. 



Expanse of wings 0-120x0-45 ... 3-04xM3 



Size of body 0-100 x 0-015 ... 2-54x0-38 



5. — Length of antennse 0-060inch ... 1-54 millimetres. 



Expanse of wings 0-160x0-055 ... 4-06x1-39 



Sizeofbody 0-140x0-030 ... 3-55x0-76 



(J. — Antennse somewhat thick, deep brown, with a long dense 

 yellowish pubescence ; basal joints black, with a sparse pubescence ; 

 flagellar joints sub-sessile 1| to 3 times as long as broad, with 

 short pedicels. Head black, levigate. Eyes almost contiguous 

 above. Palpi deep brown or black. Thorax black, levigate, 

 with three longitudinal rows of very short hairs, the lateral 

 ones slightly convergent, and running almost as far as the 

 scntellum, the intermediate one only visible when viewed at a 

 certain obliquity, reaching to the middle of the thorax ; also 

 some short hairs between the base of the wings and the humeri ; 

 humei'i tipped with deep reddish-brown ; scutellum deep brown 

 almost black, with a veiy sparse short pubescence. Halteres 

 greyish -brown, with a few short hairs, the stem yellow. Abdomen 

 slender, black, with moderately long golden-yellow hairs, the 

 pubescence considerably more dense on the last three or four 

 segments ; forceps densely haired, very little if any wider than the 

 abdomen. Fore coxee honey-yellow, dusky at the base ; middle 

 and hind coxse deep brown or black. Femora honey-yellow. 

 Tibiae and tarsi darker, partly on account of their pubescence, 

 almost pitch-brown. In the fore- and intermediate-legs the tarsi 

 -^- longer than the tibiae ; in the hind-legs the tibiae are slightly 

 longer than the tarsi. Spurs yellow, about equal in length to the 

 fourth tarsal joint. First joint of the tarsi more than twice the 

 length of the second ; second joint .1 longer than the thii-d, and 

 about as long as the fourth and fifth together ; fifth joint some- 

 what longer than the fourth. Wings pellucid, with a pale greyish- 

 Vjrown tint ; opaline reflections. Costal and two first longitudinal 

 45 



