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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.
Diptera is an order of winged insects commonly known as flies. Diptera, which are one of the most successful groups of organisms on Earth, are very diverse biologically. None are truly marine but they occupy virtually every terrestrial niche. Many have co-evolved in association with plants and animals.
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 ...
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.
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 5·5-8·5 mm. Large red areas on black abdomen. Wing membrane not infuscated. Dorso-apical white bristle on metatarsus 1. Antero-dorsal pale hairs on the basal half of femur 3 uniform not longer than 1/4 the depth of femur. The male genitalia are figured by Hippa (1968). [7]
For terms see Morphology of Diptera. The Heterocheilidae are medium to moderately large (body length 4.2-6.5 mm), fairly robust, brown flies Their postverical bristles are long and often parallel. Three fronto-orbital bristles are seen. The acrostichal bristles are in a single row with a larger prescutellar pair; the metepisternum is bare.
External images For terms see Morphology of Diptera. Wing length 6-7·25 mm. Antennae reddish. In front view the distance between the eyes at most equal to the width of an eye. Wings blackish-tinged. Female thorax with purplish reflections. The male genitalia are figured by Maibach, A. & Goeldlin de Tiefenau (1994).