REPORT OF THE STATE ENTOMOLOGIST I9QI2 T31 
segment, irregularly subquadrate, with a length fully twice the 
diameter, the second about two-thirds the length of the first, the 
third more than twice the length of the second and the fourth a 
little longer than the third. Mesonotum dull black, the submedian 
lines sparsely haired. Scutellum reddish brown, postscutellum and 

Fig. 17 Catocha americana, sixth antennal segment of 
male, much enlarged. (original) 
abdomen dark brown. Wings hyaline, costa light brown; mem- 
brane thickly clothed with fine hairs; venation shown in fig. 16. 
Halteres fuscous yellowish. Legs dark yellowish brown; claws 
stout, with a series of three or four stout teeth basally, the pulvilli 
hardly extending beyond the base of the claws. Terminal clasp 
segment long, appendiculate basally. Type Cecid. 929. 
Catocha barberi n. sp. 
Two midges belonging to this species were taken flying in the 
woods during cold weather, the temperature being below 30° F., 
near Crab Lake, Vilas county, Wis., by Mr H. S. Barber, in De- 
cember 1907. ™ 
Female. Length 4 mm. Antennae one-quarter longer than the 
body, sparsely haired, dark brown; 16 segments, the fifth with a 
slender stem over twice the length of the subglobose basal enlarge- 
5 
