Species: Aedes spencerii spencerii

Importance:

This species has been reported to be migrate towards city and town lights and is a serious pest of livestock and humans when present in high numbers. It is fairly common but is not known to be involved in disease transmission.

Biology:

Ae. spencerii overwinters in the egg stage. Larval habitats include barrow pits and depressions that contain water from melting snow and low areas filled with seepage from runoff.

Identifying Characteristics:

Pointed abdomen, no leg banding, wing veins alternating dark and pale scales, abdominal terga with a dorsal median longitudinal stripe. Similar to Ae. spencerii idahoensis.

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)