2t) THE CANADIAN ENTOMOLOGIST 
Ormosia megacera, sp. n. 
Related to 0. divergens Dietz; antennae of the male elongated, 
nodulose; anal veins strongly divergent; body coloration dark 
brown; appendages of the male hypopygium strongly curved, 
Male. — Length 3.3-3.7 mm.; wing 4.8-6 mm. 
Rostrum and palpi short, dark brown. Antenna; dark brown; 
flagellar segments greatly elongated, tapering at both ends, espe- 
cially apically; hairs and verticils on the segments as long as the 
segments themselves; whole antenna; nearly as long as the body. 
Head dark brown. 
Pronotum pale whitish. Mesonotal pra^scutum dark brown 
with three still darker brown stripes, the median one very broad ; 
scutum brown, the lobes with darker centres; scutellum and pDst- 
notum dark brown, sparsely gray pruinose. Pleura and sternum 
dark brown, rather heavily gray pruinose; dorsa-pleural membranes 
dirty yellow. Halteres dark brown, the extreme base yelbwish. 
Legs with the coxc« pale gray; trochanters and femora pale, the 
latter darker apically, tibia^ and tarsi dark brown. Wings almost 
hyaline, but with a faint, gray tinge; costal area a little more 
suffused; stigma ill-defined; veins dark brown. Venation: cell 
1st Ah open, the outer deflection of Ah lacking; anal veins strongly 
divergent; 2nd A short and straight. 
Abdomen dark brown, including the hypopygium; hypopygium 
with the pleural appendages black, in the form of chitinized hooks 
that are strongly curved. 
//aft//a/.— Northeastern United States. 
Ilolfltype, cf , Simmon's Woods, Gloversville, Fulton Co., New 
York; altitude 900 feet; June 22. 1916 (Alexander). 
Paratopotypes, 2 cT's. 
Related to 0. divergens Dietz (Trans. Am. Ent. Soc, vol. 42, 
p. 144; 1916) which is reddish brown in colour, and the hypopygium 
of the male very differently constructed. 
Genus Trimicra Osten Sacken. 
Trimicra angularis, sp. n. 
Antenniie black; head yellow with a black median line; pra;- 
scutum yellow with three dark brown stripes; pleura yellow with 
two stripes; abdomen yellow with the segments marked with brown; 
wings gray with sparse brown markings. 
