FLY KILLER (family Asilidae)
Tuesday, March 29, 2011
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Diptera It is spectacular, both for its common name as its size, but are harmless to people they do not bite, but feed on other insects such as flies, winged ants, bees, wasps, grasshoppers. .. hunting them on the fly.
As a general rule have long legs, strong and equipped with thorns, so that can easily hold its prey. They have a proboscis (trunk) with short but strong prey inoculating saliva and neurotoxic proteolytic enzyme, similar to what spiders do, so that there is an external digestion, absorbing its prey once has liquefied. On the proboscis is a kind of mushroom shaped mustache or strong bristles that protect the face of this insect when fighting with others during predation.
Females lay eggs in decaying matter, usually wood. The larvae are omnivorous and can feed on eggs and larvae of other insects.
in Spain are cited more than 200 species of Asilidae, while global census of 7100 are different species.
addition to as "fly-killer" is also known by the common names of "fly hunter", "robber fly," "predatory fly" ... all in relation to their habits and other insect predators.
world in certain areas of the Asilidae are a problem in beekeeping and extension in agriculture, since they may reduce the population of bees which is reduced honey production and, to some degree, pollination .
More information on these links:
- http://es.wikipedia.org/wiki/Asilidae
- http://ichn.iec.cat/bages/alzinar/cLaphria.htm
- http://apicultura.wikia.com/wiki/Asilidae
- http://www.inbio. ac.cr/papers/insectoscr/Texto62.html
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