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An adult crane fly, resembling an oversized male mosquito, typically has a slender body and long, stilt-like legs that are deciduous, easily coming off the body. [12] [2] Like other insects, their wings are marked with wing interference patterns which vary among species, thus are useful for species identification. [13]
These flying insects reach their largest size in Palparellus voeltzkowi, which can have a wingspan over 16 cm (6.3 in). [40] The largest lacewing is the Australian "blue eyes lacewing" (Nymphes myrmeleonides), which can measure up to 4 cm (1.6 in) in length and span 11 cm (4.3 in) across the wings. [41]
Adults are often found near flowers, their principal food source being nectar and pollen. [11] Some species are inquilines; for instance, members of the genus Volucella can be found in bumblebee nests, while members of Microdon are myrmecophiles, found in ant or termite nests. [6] Others can be found in decomposing vegetation.
Tabanid species range from medium-sized to very large, robust insects. Most have a body length between 5 and 25 mm (0.2 and 1.0 in), with the largest having a wingspan of 60 mm (2.4 in). [ 11 ] Deer flies in the genus Chrysops are up to 10 mm (0.4 in) long, have yellow to black bodies and striped abdomens, and membranous wings with dark patches.
The Phasmatodea (also known as Phasmida or Phasmatoptera) are an order of insects whose members are variously known as stick insects, stick bugs, walkingsticks, stick animals, or bug sticks. They are also occasionally referred to as Devil's darning needles , although this name is shared by both dragonflies and crane flies. [ 1 ]
Bombylius major (commonly named the large bee-fly, the dark-edged bee-fly or the greater bee fly) is a parasitic bee mimic fly. B. major is the most common type of fly within the Bombylius genus. The fly derives its name from its close resemblance to bumblebees and are often mistaken for them.
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The size of flying insects ranges from about 20 micrograms to about 3 grams. As insect body mass increases, wing area increases and wing beat frequency decreases. For larger insects, the Reynolds number (Re) may be as high as 10000, where flow is starting to become turbulent. For smaller insects, it may be as low as 10.