114 
and Los Angeles (Jo., Cal. Two females collected by the writer. 
Type No. o(>15, CJ. S. National Museum paueiseta n. sp. 
3. With only three sternopleural macrochsetse, palpi yellow, third vein 
hearing from three to six bristles at its base; length, 8 to 10 
mm. New Hampshire; and Austria. Two males and one female 
from Austria received from Brauer and Bergenstamm and by 
them labeled Ceromasia florum Macq.; these authors state that 
this is a synonym of /est I nans Meig., after examining the type 
of the latter. 1 (System. Besch. Eur. Zweif. Insekten, Vol. IV, 
p. 384; 1824: Tachina. Masicer a florum Macquart, Annales Soe. 
Ent. Fiance, p. 460; 1850.) .festinans 1 Meig. 
With four sternopletrral macrochaetse, palpi black, third vein bearing 
a single bristle at its base; length, 8 to 10 nun. Canada; Mass.; 
Illinois, and England. A specimen of each sex from England, 
received from E. Brunetti and by him labeled Masicera myoidcea, 
(Essaisurles Myodaires, p. 114; 1830: Ly<l('l!a.).mj/oida'aDesv. 
4. Middle tibia' each bearing a single macroclneta on the front side 
near the middle, third vein bearing three bristles at its base. 5. 
Middle tibia* each bearing two or more macrocha'ta> on the front 
side near the middle, palpi yellow G. 
5. Palpi, legs, and abdomen, black; body slender, subshining; length, 
5.5 to mm. Mass.. and Colorado. (Trans. Amer. Ent. Soc, 
Vol. XIX, ]). 285; December, 1802.) tenthredinidarum Town. 
Palpi, femora, tibia', ami apex of fourth segment of abdomen, yellow; 
body quite robust, opaque; black, the first two joints of antenna', 
palpi, apex of proboscis, femora, tibia', and apex of fourth seg- 
ment of abdomen, yellow; front of male one-half as wide as 
either eye. no orbital bristles, hairs on sides of front short and 
sparse, frontal bristles descending to base of third antennal 
joint, cheeks one-fourth as broad as the eye-height, facial ridges 
bristly on the lower two thirds, antenna- almost reaching the 
oral margin, the third joint three and one-third times as long 
as the second, arista thickened on the basal fourth; thorax gray 
pollinose and marked with four black vittae, scutellum bearing 
three pairs of long marginal and a short apical pair of macro- 
cha'ta'; abdomen on the first three segments subopaque gray 
pollinose, its hairs suberect and rather long; wings hyaline, the 
base tinged with gray, costal spine as long as crossvein at base 
of discal cell, hind crossvein nearly straight, fourth vein beyond 
the bend strongly concave, closing or almost closing the apical 
cell, calypteres white; front pul villi slightly longer than the last 
•Zweif. Kais. Mus. Wien, V. p. 428; 189L. 
- Front one and one-half width of eye, cheeks three-eighths the eye-height, arista 
thickened on basal two-thirds festinans. 
Front of male two-thirds, of female five-sixths, width of eye, cheeks one-fifth the 
eye-height, arista thickened on basal two-fifths, otherwise as in festinans. N. J.. 
Va , and La eeler n. sj>. 
