Culiseta alaskaensis    

habitat
Larval habitats variable, usually semipermanent ponds with Carex. Adults are widespread.

seasonality
May July.

identification
Adult: ventral margin of anepisternum, anterodorsal angle of katepisternum, postspiracular area, and underside of paratergite all with patches of scales; second and third tarsomeres with white bands occupying one quarter or more of each segment; hypostigmal area scaled; wing scales aggregated into spots at base of Rs and at R2+3 and R4+5, costa subcosta and radius with scattered white scales, crossveins scaled. Larva: antennae half as long as head capsule; siphon three times longer than greatest width; dorsolateral abdominal setae 1-VI and 1-VII usually double, saddle setae fine and minute, prothoracic setae 1-P single; antennae with coarse spicules. See Wood, Dang & Ellis 1979 pdf

life history
Females overwinter in hollow sheltered areas as mated nullipars. They emerge very early in spring to take a blood-meal. Eggs are laid in rafts on semipermanent water bodies. Larvae tend to be found at the edges of ponds. Despite being a fairly common species, larvae are collected infrequently. Males have been recorded forming mating swarms. There is only one generation per year.

conservation
Common in Alberta.

diet info
Females are blood feeders.

range
Predominately a boreal species. Found throughout much of Alberta, found only in low-lying river valleys in the south. It is found throughout BC, and across northern and north-central Canada. It is absent from most of eastern North America.

people
species page authorBromilow, S.2007 

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=6136

 

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