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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.
Adults are often found on flowers and low vegetation but have been collected at windows indoors and on tree wounds. In one genus ( Leiomyza ) adults are found on mushrooms and bracket fungi. Adults of the species Astiosoma rufifrons Duda are attracted to wood ash after bonfires especially at evening.
Larval Diptera feed in leaf-litter, in leaves, stems, roots, flower and seed heads of plants, moss, fungi, rotting wood, rotting fruit or other organic matter such as slime, flowing sap, and rotting cacti, carrion, dung, detritus in mammal bird or wasp nests, fine organic material including insect frass and micro-organisms.
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 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 ...
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.
External images For terms see Morphology of Diptera. Wing length 6 ·5–8 mm. Eyes patterned with conspicuous black spots and hairy all over in both sexes. Tergites black with green or other reflections. Tergites 2 and 3 with a dull spot. Male eyes well separated on frons. Thoracic dorsum with five grey stripes.
Diagram of flower parts. In botany, floral morphology is the study of the diversity of forms and structures presented by the flower, which, by definition, is a branch of limited growth that bears the modified leaves responsible for reproduction and protection of the gametes, called floral pieces.