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Original file (900 × 1,350 pixels, file size: 368 KB, MIME type: application/pdf, 4 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Adults are small (< 2 millimetres (5 ⁄ 64 in)) to medium-sized insects (- < 10 millimetres (25 ⁄ 64 in)). Larger Diptera are rare, only certain families of Diptera Mydidae and Pantophthalmidae reach 95–100 millimetres (3 + 3 ⁄ 4 –4 in) wingspan while tropical species of Tipulidae have been recorded at over 100 millimetres (4 in).
Size of this PNG preview of this SVG file: ... Diagram of wing veins in males of pointed-winged flies ... (Diptera: Lonchop: File usage ...
Size of this PNG preview of this SVG file: ... (Diptera: Asilidae). Vedi le ... 1=Diagram of generic wing venation of robber flies (Diptera: ...
In the flexed wing, the outer squama of the alula is turned upside down above the inner squama, the latter not being affected by the movement of the wing. In many Diptera, a deep incision of the anal area of the wing membrane behind the single vannal vein sets off a proximal alar lobe distal to the outer squama of the alula. [38]
The Lonchopteridae (spear-winged flies or pointed-wing flies) are a family of small (2–5 mm), slender, yellow to brownish-black Diptera, occurring all over the world. Their common name refers to their pointed wings , which have a distinct venation.
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).
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.