92 THE COMMON MOSOIITOKS oi" MINNESOTA 



Acdcs ii'ipigcr: Tliis is a brown mosquito with unl)an(le(l 

 dark lej^s and beak, tborax co\ered with golden scales, abdomen 

 with white bands expanding laterally. 



Larvae are found with Acdcs caiiadr)isis. Acdcs caiitaiis. and 

 Ardcs fitsciis in the early spring. Felt states that it |)asses the winter 

 in the larval stage. 



Acdcs triscriafus: Tree Mole Moscpiito. A small to medium- 

 sized ludscpiito, with black unhanded legs and beak. The sides 

 of the thorax are silvery, shading to grayish on the back, but leaving 

 a wide black band on the middle of the back ; wdiite lateral patches 

 on the segments of the alxlomen. It breeds normalh- in water 

 collected in tree holes, but occasionally in pails or other wooden 

 receptacles or even in water holes on the ground. It does not tra\el 

 far for it is seldom found outside of the \icinit\' of woodlands. They 

 apparent!}' breed throughout the season, wintering in the egg stage. 

 The larvae are long and snake-like, moving by sinuous, snake-like 

 motions. 



.Icdcs iicmoi'osiis: A northern species, more common in wood- 

 land than elsewhere. The adult is a large brown mosquito with a 

 wide median dark l)rown l)and on tliorax; a])domen white banded; 

 legs unhanded. Larvae are found in collections of water, ditches, 

 etc.. in woodlands and fields. It occurs in Europe and northern 

 North America. 



Acdcs ciirrici: A rather rare mosquito of a pale yellowish 

 white colcjr : thorax with central stripe of golden scales; abdomen 

 diifused with white scales, lea\ing only two small dark blotches 

 on each segment ; wings hyaline. The s])ecies has l)een reported 

 from North Dakota, Colorado. Idaho, California, and Uritish Co- 

 luml)ia. In the <lepartmental collection is a specimen labeled 

 Crookston. Minnesota, August 15. 18''fi. 



IVycoiiiyiu siiiillill: The "jiitcher ])lant mosiiuito." A small, 

 black moS(|nito with abdomen, legs and jieak unhanded; the whole 

 under stirface of the thorax and part of the under sides of the legs 

 is yellowish or silvery white. It ncAcr bites man. The larvae 

 Ijreed in the water collected in the leaves of pitcher ])lants, in which 

 thev hibernate as larvae, freezinu' un in the ice. 



