REPORT OF THE STATE ENTOMOLOGIST I912 131 



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 



