REPORT OF THE STATE ENTOMOLOGIST I907 2/9 



I have had no European specimens for comparison, but Schiner's 

 and Zetterstedt's descriptions fit my specimens perfectly. 



Chircncmus ithacanensis new name 

 A new name for C . c a 1 i g i n o s u s Johan. ; c a 1 i g i n o s u s 

 is preoccupied for a fossil species. 



Chironomus maturus n. sp. |- 



Male. The front, outer eye margin, two rather slender frontal I 



tubercles, pale yellow; antennae dark brown, hairs pale brown ;lL>' 

 face, proboscis and palpi subfuscous, basal joint of the antennae ^ ^ 

 gray pollinose. Thorax gray with three blackish stripes, humeri 

 yellowish, scutellum subfuscous, thorax wholly covered with a 

 grayish bloom. Abdomen dark brown, apical one fourth of each 

 segment yellow, which appears silvery when viewed from behind ; 

 posterior segments and genitalia nearly wholly grayish, the latter 

 slender, resembling those of C . d e c o r u s . Legs brownish yel- 

 low, the base of each femur, the knees, the fore tibiae and tarsi 

 more brownish, coxae gray, trochanters yellow, pulvilli brushlike, 

 empodium pectinate, anterior tarsi sparsely but long haired, fore- 

 metatarsus about one third longer than the tibia. Wings hyaline, 

 anterior veins yellowish brown, cross vein dark brown, cubitus 

 forks under the cross vein. Halteres yellowish. Length 7 to 8 mm. 

 Female. Like the male but with broader wings and with 

 slightly longer (proportionally) metatarsus. Ithaca, N. -Y. Early 

 spring species. 



Chironomus redeuns Walker 

 Specimens from Itliaca, N. Y., Illinois, and Boulder, Col., appear 

 to be this species. The species resembles cristatus and 

 r i p a r i u s , but is smaller than either, and the foremetatarsus is 

 nearly or quite 1.6 times the tibia in length, foretarsi bare; in color- 

 ing it resembles r i p a r i u s . 



Chironomus barbipes Staeger 

 A male and female specimen from Harrisburg, Pa. It has pre- 

 viously been recort'e 1 from Chicago. 



Chironomus devinctus Say 



The foretarsi of the male are bare. From Old Forge, N. Y. 



