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Round Rocks Fly Fishing
(http://www.roundrocks.com/rocks/midgeflyinfo.html)
Midges are true flies that are closely related to
mosquitoes and resemble them somewhat, but are
non-biting. They can emerge and fly any day of the year
when the air is warm, even in mid-winter. Males often
cluster in large swarms, usually in bright sunlight and
around water where the females will visit to lay their
eggs. Since most species are attracted to light, midges
are often found around windows and doors of houses.
Midges are not harmful and cannot transmit West Nile
Virus. They lack the sucking mouthparts (proboscis)
that are found on mosquitoes for use in feeding on blood
and nectar. Midges have no ability to bite and do not
carry any human diseases.
Like their mosquito cousins, midges spend the first
part of their life, the larval stage, in water. Midge
larvae can be found in almost any freshwater habitat,
including lakes, ponds, streams, and even sewage treatment
plants. The larvae of most species feed on algae and
decaying organic material, and are an important source of
food for many aquatic animals, including several fish
species.
Members of the insect family Chironomidae, these
tiny flies range in size from around 1 cm to as small as 1
mm. Midge species vary greatly in color, including species
that are gray, brown, black, green, and white, often with
striped patterns on the thorax and abdomen. The wings are
clear, lacking the patterns of scales found on mosquito
wings.
Colorado Fisheries Inc. www.coloradofisheries.com/Aquaticfeeds.html
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