86 Bulletin Wisconsin Natural History Society. [Vol. 10, Nos. 1 & 2. 
CC. Antennae 6-jointed, bearing a single, hidden, minute ring-joint 
and a conic-ovate 3-jointed club; marginal vein of fore wing 
long, straight, subequal to the submarginal vein, the stigmal 
vein subsessilte; ciliation sparse, regular, the marginal cilia 
very short. Valves of ovipositor plainly but shortly exserted. 
Normal. Pterygogramma Perkins (Type: P. acuminata 
Perkins). 
BB. Ovipositor not exserted. 
C. Antennae 7-jointed. 
D. Antennae bearing one minute ring-joint; the club 4-jointed, 
slightly enlarged. Fore wings with the marginal vein 
moderately long, the marginal ciliation short, the discal 
ciliation rather dense and in more or less regular lines. 
Lathromeris Foerster (Type: L. scutellaris Fo'erster). 
DD. Antennae bearing two minute ring-joints, the club 3-jointed, 
conspicuously enlarged, the antennae capitate. Discal 
ciliation of forte wing not so dense and more or less 
irregular or normal. Tumidiclava Girault (Type: 
T. pulchrinotum Girault). 
CC. Antennae 6-jointed. 
D. Discal ciliation of thte fore wing dense, but arranged in 
regular lines; no oblique hairless line. 
E. Antennae with a ring-joint, the club 3-jointed; body short 
and stout, the abdomen blunt, not any longer than the 
thorax and head taken together; marginal vein of forte 
wing* not clavate. Uscana Girault (Type: V. semifumi- 
pennis Girault). 
EE. Antennae without a ring-joint, the club 4-jointed; body 
long and slender, the abdomen pointed, conic-ovatte, 
longer than the head and thorax together; marginal 
vein of the fore wing clavate. Zaga Girault (Type: 
Z. latipennis Girault). 
j DD. Diseal ciliation of fore wing dense and normal, not 
arranged in regular lines. An oblique hairless line as in 
Aphelinus Dalman. Antennae with one ring-joint, the club 
3-jointed; abdomen short obtusely conical; marginal vein 
of fore wing long. Tumidifemur Girault (Type: T. puloh- 
rum Girault). 
