Anopheles walkeri

Anopheles walkeri is a species of mosquito found predominantly throughout the Mississippi River Valley, with its habitat ranging as far north as southern Quebec, Canada. The eggs of A. walkeri are laid directly on the water surface in freshwater swamp habitats. Since its eggs are not resistant to desiccation, this species is restricted to swampy regions with plenty of water. Anopheles walkeri, as with many other anophelines, begins to become active later in the evening than most other mosquito species in its range. This species becomes especially active late at night when in search of a blood meal. Feeding activity is affected greatly by environmental conditions within its microclimate. Wind, low humidity and cool temperatures (around 10 C and below), are all negatively correlated with feeding aggression.

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