Systematic Catalog of Culicidae

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freeborni Aitken

1939: 192 (M,F,E; as maculipennis ssp.)
Type-loc: Davis, California, United States (CAS)

Additional References:
King and Bradley 1941: 65 (to sp. status)
Aitken 1945: 296 (M,F,P*,L*,E*; tax.)
Freeborn, in Boyd 1949: 382 (biol.)
Penn 1949a: 55 (P*)
Pratt 1952: 484 (L*; tax.)
Rozeboom 1953: 677 (tax.)
Belkin 1953b: 318 (P*,L*)
Barr 1954: 445 (tax.)
Carpenter and LaCasse 1955: 39 (M*,F,L*)
Horsfall 1955: 82 (review)
Kitzmiller and Baker 1963: 254 (chromosomes*)
White 1979 (tax., rev., keys, distr.)

Distribution:
Canada, Mexico, United States; contiguous lower 48

Bionomics:
The larvae are found in clear seepage water, in roadside pools, in rice fields, and in other similar habitats. Pools that are sunlit, at least part of the day, seem to be preferred, although larvae are occasionally found in rather densely shaded pools. Heavy production of larvae often occurs in matted algal growths in water along the margins of rice fields. The females enter houses readily and feed on man. They are more active at dusk and during the night but occasionally do attack man during the daylight hours in dense shade or on cloudy days. (Carpenter and LaCasse 1955)

Medical Importance:
It is the principal vector of malaria in the arid and semiarid western United States. (Carpenter and LaCasse 1955)