Species: Aedes cinereus

Importance:

Considered a woodland species that usually remains in shaded areas and rarely comes into the open. It’s of little importance in Montana.

Biology:

This species overwinters in the egg stage. It is commonly associated with Ae. increpitus and Ae. spencerii. The species is most frequently found in permanent and semi-permanent bogs but collections can also be made from a variety of floodwater habitats. During the early part of the season, Ae. cinereus is common in cattail swamps. Ae. cinereus larvae tend to aggregate within dense stands of aquatic vegetation and placing the dipper close to any emergent vegetation in the habitat enhances the chances of collecting this species. Cattail appears to be a preferred plant. Aedes cinereus rarely occurs in large numbers by itself but the mosquito can be an aggressive biter. The species does not fly far from its larval habitat and, therefore, functions primarily as a local pest.

Identifying Characteristics:

Pointed abdomen, no leg banding, wing entirely dark scaled, area under spiracle without scales, narrow bands on abdominal terga, scutum with unicolorous scales, forecoxa with patch of brown scales, small mosquito.

Distribution Map:

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Mosquito and Vector Surveillance Program

MSU Extension - Department of Animal and Range Sciences

Montana State University
P.O. Box 172900
Bozeman, MT 50717-2900

Tel: (406) 994-7981
E-mail:
mrolston@montana.edu
Location: Marsh Labs, Room 59

Veterinary Entomology Research Associate:

Marni Rolston

Professor Emeritus of Veterinary Entomology:

Dr. Greg Johnson

Affiliate:

Dr. Grant Hokit (Carroll College)