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Dipteran morphology differs in some significant ways from the broader morphology of insects. The Diptera is a very large and diverse order of mostly small to medium-sized insects. They have prominent compound eyes on a mobile head, and (at most) one pair of functional, membraneous wings, [ 1 ] which are attached to a complex mesothorax.
For terms see Morphology of Diptera These are small or medium-sized (1.5 mm.-10 mm.) flies with slender bodies. They are yellow to reddish, brown or black in colour. The head is spherical with (relatively) small eyes and the face is often slanted backward. The antennae are small, with the third antennal segment conspicuously elongated.
Neriids breed in rotting vegetation, such as decaying tree bark or rotting fruit. About 100 species are placed in 19 genera. Neriidae are found mainly in tropical regions, but two North American genera occur, each with one species, and one species of Telostylinus occurs in temperate regions of eastern Australia.
External images For terms see Morphology of Diptera Wing length 6.5-8.25 mm. Hind femora are swollen and deep. Hind tibiae strongly curved and the ventral surface with closely-set short black hairs for the whole length. The abdomen is short tergites 2-4 with a pair of pink or orange-brown marks. The legs are black with yellow knees and yellow ...
A cecidomyiid laying eggs on grass Cecidomyiid in copula Cecidomyiid oviposting into boreholes of bark beetles on a fallen beech. Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are ...
For terms see Morphology of Diptera. External images. Size 10mm. Head. The front is broader above than in the preceding species, mostly shining, with rather long yellowish pile; The face is black, thickly dusted with white on the sides, and with a bare black median stripe vitta and the cheeks shining. The face is considerably excavated below ...
The Megamerinidae are a family of flies (Diptera) with about 11 species in three genera. They are small and are marked by an elongated, basally constricted abdomen. The family has been variously placed in the past within the superfamilies Diopsoidea, Nerioidea and more recently in Opomyzoidea but the evolutionary relationships remain unclear.
Wing length 7-9.75 mm. External images For terms see Morphology of Diptera Winglength 7-9-75 mm. Elongated body. Lunula black with a black mark above it. Face entirely yellow. The alula is a narrow, rectangule. Tergite 2 with broad, square yellow marks.