WebEach metathoracic leg has a large tibia with a cavity with bristles forming a pollen basket or corbicula used for storing pollen during collection, at the distal end the tibia has a row of stiff bristles called pecten below which is a flat plate, the auricle. The pecten and auricle form a wax pincher for removing wax from the abdomen of workers. WebHead: transverse, strongly deflexed, usually narrower than pronotum, surface usually finely punctated; epistomal suture faintly indicated; internal epistomal ridge poorly developed; clypeus bipartite, comprised of pigmented upper region and nonpigmented lower region; antenna comprised of 11 antennomeres, capitate, capitulum shorter than length of …
Wings and Flight in Insects – Direct & Indirect flight
WebMoths have two pairs of membranous wings which arise from the mesothoracic (middle) and metathoracic (third) segments. These wings are typically covered with tiny scales that give them a soft and velvety texture. The wingspan of moths can vary greatly, ranging from a few millimeters to up to 12 inches in some cases. Web31 mrt. 2010 · Definition: In adult pterygote insects, one of the paired organs of flight occurring on the meso- and metathoracic segments. In adult Diptera, the metathoracic … iras cutoff date for sa topup
What is the function of metathorax? - Daily Justnow
The metathoracic wings of Diptera lose their original function and are transformed into the halters, which have function in stabilization of the flight by the perception and the control of the balance of the body. These organs appear as a pedunculated bulb, where we distinguish three parts: … Meer weergeven As in most insects, the wing is derived from a tergopleural expansion which inserts between the tergite and the pleuron and articulates, by axillary sclerites, to special structures derived from the thoracic … Meer weergeven The contents related to anatomy and morphology of the articulation of the wing with the thorax have a great evolutionary and biological importance. The knowledge about these … Meer weergeven The venation is a morphological element of basic importance in the taxonomic diagnosis, so the dipterologists pay special attention to the interpretation of the homologies and the resultig terminology. Other fields of … Meer weergeven This is a small region including the complex system which connects the wing to the thorax. This area is composed by small sclerites and membranes joined proximally to the pleural sclerites and notal wing … Meer weergeven Web-Adults usually with 2 pairs of subtriangular wings; mesothoracic wings much larger than those of metathorax; metathoracic wings sometimes strongly reduced or lacking; flight … Web1 jan. 1985 · The maximum mechanical power output of metathoracic wing muscles of N. triops during oscillatory contraction at 25 Hz and 30 °C, with optimum amplitude and stimulus parameters, is 76Wkg −1 muscle. As compared to most striated muscle, the wing muscles of insects have unusually abundant mitochondria and sarcoplasmic reticulum … iras declaration of trust