This enables them to avoid attack by predators who believe they might be able to sting. Many hoverflies mimic the colouration and/or hairiness of social bees and wasps. Eggs of non-carnivorous species are usually laid in batches on or near the larval food. Eggs that hatch into carnivorous larvae are usually glued singly to plants amongst or near their prey. There are also aquatic larva, like the rat-tailed maggot below, they tend to pupate near the water. When the larva pupates the pupa is brown and stuck to the plant or some other surface, see the photograph below. A larva like this can eat 50 aphids a day. It has stuck the skins of sucked-dry aphids to its body - they are the little white things on the centre of its body. Note that many of the veins do not reach the edge of the wing.Ībove is an aphid-eating hoverfly larva. Note the the aristate antennae (see photographs below) and huge eyes typical of the more "advanced" flies.īelow is the wing of a typical hoverfly. The adults are often brightly coloured attractive flies.
Hover flies manual#
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Flower flies from the Pin Valley National Park, Himachal Pradesh. Records of the Indian Museum, 27, 75-79.īulganin, M., Parui, P., Mukherjee, M., Sharma, R. Some notes on Indian Syrphidae, Conopidae and Oestridae. Records of the Indian Museum, 9(5), 255-277.īrunetti, E. New and interesting Diptera from the eastern Himalayas. Records of the Indian Museum, 2, 49-96.īrunetti, E. Notes on Oriental Syrphidae with descriptions of new species. Records of the Indian Museum, 1, 11-13.īrunetti, E. Entomologia experimentalis et applicata, 42(3), 271-277.īrunetti, E. Episyrphus balteatus as a predator of the aphid Sitobion avenae on winter wheat.
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