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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. 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 larvae of Diptera feed on a diverse array of nutrients ; often these are different from those of adults, for instance the larvae of Syrphidae in which family the adults are flower-feeding are saprotrophs, eating decaying plant or animal matter, or insectivores, eating aphids, thrips, and other plant-sucking insects. Larval Diptera feed in ...
For terms see Morphology of Diptera Signal flies are very variable in external appearance, ranging from small (2.5 mm), slender species to large (20 mm), robust individuals, often with body colours having a distinctive metallic lustre and with face and wings usually patterned with dark spots or bands. The head is large.
Yukawa, J. (1971) A Revision of the Japanese Gall Midges (Diptera: Cecidomyiidae). Memoirs of the Faculty of Agriculture, Kagoshima University 8: 1–203. pdf Kolesik, P. (2014) A review of gall midges (Diptera: Cecidomyiidae: Cecidomyiinae) of Australia and Papua New Guinea: Morphology, biology, classification and key to adults.
For terms, see Morphology of Diptera. External images. Size 10 to 11 mm Head. The frontal triangle is black, shining, with dust near the orbits. The face is yellowish white and thickly covered with silvery dust. There is a medial shining black stripe (vitta) from just below the antennae to the oral cavity.
For terms see Morphology of Diptera. External images. Size 10 to 13 mm. Head. The frontal triangle is opaque yellow, The vertical triangle is black, with black pile. In the female the frons is moderately narrowed above and yellow on the lower fourth, shining greenish black elsewhere except thinly reddish pollinose in front of the ocelli.
For terms see Morphology of Diptera. External images of Blera flukei. Size 11 to 13 mm Head. The face is elongate conical anteroventrally. The facial orbits are a pale yellow pollinose, with short, fine black and yellow hair. The gena have a trace of small brown spot close to the oral margin. The vertical triangle is shining black and with long ...