Phytobia Nigrita
''Phytobia''Lioy, P (1864) ''I ditteri distribuite secondo un nuovo metodo di classificazione naturale. Atti dell'I. R. Istituto Veneto di Scienze, Lettere ed Arti, Serie 3'' 9(2): 1311-1352. is a genus of Diptera, flies on the family Agromyzidae, with a worldwide distribution principally in Europe and the Americas. Description As with many Agromyzidae, species of ''Phytobia'' are typically leaf miners on various plants, although other plant parts may be attacked. For example, ''Phytobia betulae, P. betulae'' lays its eggs on the bark of new-growth twigs of suitable Betula, birch trees and, after hatching, larvae tunnel downwards along the shoot within the differentiating xylem layer, sometimes reaching the base of the tree. Adults are small-medium-sized flies (approximately 5 mm in the case of ''P. betulae''). Species The Catalogue of Life lists: # ''Phytobia allecta'' # ''Phytobia alocomentula'' # ''Phytobia amelanchieris'' # ''Phytobia aucupariae'' # ''Phytobia b ...
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Diptera
Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres, which act as high-speed sensors of rotational movement and allow dipterans to perform advanced aerobatics. Diptera is a large order containing an estimated 1,000,000 species including horse-flies, crane flies, hoverflies and others, although only about 125,000 species have been described. Flies have a mobile head, with a pair of large compound eyes, and mouthparts designed for piercing and sucking (mosquitoes, black flies and robber flies), or for lapping and sucking in the other groups. Their wing arrangement gives them great maneuverability in flight, and claws and pads on their feet enable them to cling to smooth surfaces. Flies undergo complete metamorphosis; the eggs are often laid on the l ...
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