Vol. xxv] ENTOMOLOGICAL NEWS. 249 
Mesonotum with dorso-central setulae weak. Scutellum convex, 
rounded. Abdomen elongate, weakly arched, lateral margins rounded; 
sparsely minute brown pubescent; segment 2 weakly flattened dorsally ; 
dorsal length of 4 more than total length of 1 to 3. Genital segments 
scarcely exserted. Wings with second costal section two-thirds as long 
as third; ultimate section of vein 4 two and one-half times as long as 
preceding. Length 1.7 mm. 
Holotype —82 ?, Cachi, Costa Rica. Collected March to, 
1910, at stagnant pool near banks of Rio Reventazon by Dr. 
P. P. Calvert. In collection of Academy of Natural Sciences, 
Philadelphia. No. 6068. . 
Paratypes—t1 with same data; 14, Cartago, January to 
December ; 2, Brook Toyogres near Tierra Blanca, April; 1, 
Bonnefil Farm, Rio Surubres, October; 1, Turrucares, Decem- 
ber. All in Costa Rica. 
Distinguished by its pale yellow legs and smooth mesonotum. 
Lytogaster granulosus n. sp. 
Black, shining, sparingly brown pruinose; mesonotum and scutellum 
opake; antennae except above, apices of palpi, legs except apices, 
tawny; halteres whitish, knobs blackish; face, cheeks and pleura spar- 
ingly cinereous, orbits densely white; wings hyaline, yellowish, immacu- 
late. 
Front twice as broad as long, weakly punctured, opake orbits dilat- 
ing anteriorly. Face one-third of the width of vertex, three times as 
long as broad; tubercle weak; cheeks slightly broader than third an- 
tennal joint. Antennae elongate; third joint twice as long as broad; 
arista short-haired above. Entire mesonotum densely, granularly sculp- 
tured; acrostical and dorso-central setulae discernible. Scutellum simi- 
larly sculptured, quadrate, flat. Pleura sculptured as front. Abdomen 
finely, closely pitted, becoming more shining laterally and apically; 
lateral margins rounded; venter hollow; segment 4 equalling 2 plus 3. 
Wing: Costa with third section 1.25 times as long as second. Length 
1.7 mm. 
Holotype-— 3? Near Guapiles, Costa Rica, June 4, 1909, 
1100 feet altitude (P. P. Calvert). Collection at Academy of 
Natural Sciences, Philadelphia, No. 6067. 
Paratypes—Bonnefil Farm, Rio Surubres, 6, October ; Cachi, 
1, March; Banana River, 2, November; Juan Vifas, 1, June; 
all collected by Dr. P. P. Calvert, in Costa Rica. 
Although the legs are entirely yellowish, they are darker, 
are more brownish than are those of pallipes, and the meso- 
notum is not shining. 
