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Species Page - Anopheles earlei |
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 species list search results ->Anopheles earlei ->species page |
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| scientific name Anopheles earlei Vargas habitat Larvae: found at the surface of stagnant semipermanent water bodies. Adults occur in many habitats. seasonality Late April to late fall. identification The only Anopheles likely to be encountered in Alberta. Adult: Wings with patches of cream coloured scales at margin between R1 and R4+5; costa entirely dark-scaled; radial veins exhibiting spot-like clusters of dark scales at branching sites. Larva: Siphon absent; inner clypeal setae 2-C usually forked or branched at apex, rarely simple; branches of abdominal seta 1-II hair-like, not flattened or blade-like. Note Anopheles walkeri which has been reported from Western Saskatchewan; adult wings are entirely dark-scaled, inner clypeal setae 2-C microplumose, unbranched. life history Females overwinter as non-blood fed nullipars in basements, caves, etc. They emerge in early spring to take a blood-meal and oviposit. Eggs are laid individually (i.e. not in rafts) on permanent or semi-permanent bodies of water with emergent vegetation. The larvae are slow-growing, taking several weeks to mature. A. earlei seems to have to generations per summer in Alberta, but may be univoltine in some years. In warmer parts of North America, it may be multivoltine. Adults mate in swarms that form approximately 1m off the ground. conservation This species is common, and not of conservation importance. range Found throughout Alberta. Within North America, it is found from Alaska south to Washington, and east to Newfoundland and Massachussetts. quick link http://www.entomology.ualberta.ca/searching_species_details.php?s=6130
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