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Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers ; the adults of many species feed mainly on nectar and pollen , while the larvae ( maggots ) eat a wide range of foods.
Unlike humans, the sex and physical appearance of fruit flies is not influenced by hormones. [16] The appearance and sex of fruit flies is determined only by genetic information. [16] Female fruit flies are substantially larger than male fruit flies, with females having bodies that are up to 30% larger than an adult male. [17] [18]
Like other members of the Drosophilidae, D. suzukii is small, approximately 2 to 3.5 millimetres (5 ⁄ 64 to 9 ⁄ 64 in) in length and 5 to 6.5 millimetres (13 ⁄ 64 to 1 ⁄ 4 in) in wingspan [3] and looks like its fruit and vinegar fly relatives. Its body is yellow to brown with darker bands on the abdomen and it has red eyes.
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Eristalis transversa, the transverse banded drone fly, is a common species of syrphid fly first officially described by Wiedemann in 1830. [1] Hoverflies get their names from the ability to remain nearly motionless while in flight.
The Drosophilidae are a diverse, cosmopolitan family of flies, which includes species called fruit flies, although they are more accurately referred to as vinegar or pomace flies. [1] Another distantly related family of flies, Tephritidae , are true fruit flies because they are frugivorous, and include apple maggot flies and many pests.
Drosophila (/ d r ə ˈ s ɒ f ɪ l ə, d r ɒ-, d r oʊ-/ [1] [2]) is a genus of fly, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit.