''Orthonevra nobilis'' is a species of

hoverfly Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while ...

Description

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Morphology of Diptera 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) ...

Wing length 4-5 ·75 mm. White marks on face extend narrowly downwards. Pterostigm dark brown or black. Antennomere 3 pointed Female tergite 5 with a small incision at hind margin. van der Goot (1981) figures the male genitalia. The larva is described and figured by Maibach and Goeldlin (1994). See references for determination.

Distribution

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

Range: Central Fennoscandia, South to Central Spain. Ireland, East North Europe and Central Europe and North Italy. East into Yugoslavia, Greece and Turkey European Russia and the Caucasus, the Russian Far East, Siberia and North China.

Biology

Habitat: Streams in Fagus woodland, riparian gallery forest, springs and flushes in fen and raised bog. Flowers visited include white umbellifers, ''Fragaria'', ''Galium'', ''Potentilla erecta'', ''Ranunculus''.de Buck, N. (1990) Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België. ''Doc.Trav.'' IRSNB, no.60, 1-167. The flight period is May/ to August.The larva is associated with springs and flushes, where it occurs in wet, organically-enriched mud.

References

Diptera of Europe Brachyopini Insects described in 1817 category:Taxa named by Carl Fredrik Fallén {{Brachyopini-stub