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All Diptera are equipped with only one pair of functional wings, which are on the mesothorax (front). The wings on the metathorax are transformed into the halteres or rocker arms. From this characteristic comes the name of the order, from the Greek dipteros, which means "two wings". In consequence of this morphological structure, the mesothorax ...
The majority of insects have two pairs of wings. Flies possess only one set of lift-generating wings and one set of halteres. The order name for flies, "Diptera", literally means "two wings", but there is another order of insect which has evolved flight with only two wings: strepsipterans, or stylops; [2] they are the only other organisms that possess two wings and two halteres. [6]
Flies are insects of the order Diptera, the name being derived from the Greek δι- di-"two", and πτερόν pteron "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres , which act as high-speed sensors of rotational movement and allow ...
The flowers are white, 2-2.5 cm long, produced in clusters of 3–6 together. The fruit is a dry (non-fleshy) drupe with two wings down the sides; this distinguishes it from the other species of Halesia, which have four wings on the fruit. [3] Wildlife, including squirrels, eat the unripe sour green fruit. [4]
Many Diptera larvae are predatory, sometimes on the larvae of other Diptera. Many Agromyzidae are leaf miners. Some Tephritidae are leaf miners or gall formers. The larvae of all Oestridae oestrids are obligate parasites of mammals. (Oestridae include the highest proportion of species whose larvae live as obligate parasites within the bodies of ...
The wings have two basal cells (posterior basal wing cell and basal wing cell), but are without a discoidal wing cell. R4+5 is simple or branched; at most, only three branches of R developed. The leading edge wing veins are stronger than the weak veins of the trailing edge. Bibionidae wing veins Bibio pomonae: Note the dichoptic female.
The wingspan is generally about 1.0 to 6.5 cm (1 ⁄ 2 to 2 + 1 ⁄ 2 in), though some species of Holorusia can reach 11 cm (4 + 1 ⁄ 4 in). [15] The antennae have up to 19 segments. [ 7 ] It is also characterized by a V-shaped suture or groove on the back of the thorax (mesonotum) and by its wing venation. [ 10 ]
Digestive and reproductive organs fill the abdomen. Also unique to the Diptera is a pair of halteres (derived from wings during evolution) that aid agile flight by these flies. [15] [16] Mosquitoes have veined and scaled wings, long legs, and long hypodermic mouthparts sheathed in a protective labium (see photograph of Aedes female engorged ...