Patagonia (l. concept of the patagium) - a pair of appendages movably connected to the pretend, occurring in many butterflies.
Patagonia has the form of delicate appendages formed from the lateral parts of the forebody and reaching its lateral margin. Occur in the above-standing evolutionary lines from the suborder Glossata. The combination of the patagium with the pre-dog is membranous and particularly elongated in the Obtectomer - representatives of this clade often have large, balloony, stalked with patagonia. They are most strongly developed in pygmy owls, in which the shells growing on them form a collar. In some groups, the structure and degree of sclerosis of these processes is taxonomic.
Some butterflies also have parapatagia, constituting another pair of similar appendages located on the back of the back from the patagons. In addition, some of the lower Glossata are similarly located to them but not inhomogeneous.
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