Orthonevra geniculata | |
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Orthonevra geniculata female | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Diptera |
Family: | Syrphidae |
Genus: | Orthonevra |
Species: | O. geniculata |
Binomial name | |
Orthonevra geniculata Meigen, 1822 | |
Orthonevra geniculata is a species of hoverfly found in the Palearctic. [1] [2]
External images For terms see Morphology of Diptera
Wing length 4·5-5·5 mm. Face with triangular white marks. Legs yellow. Wing vein r-m brown. Pterostigm bicolorous: pale with dark area at base. Maibach et al. (1994) figure the male terminalia. [3] See references for determination. [4] [5] [6] [7]
Palearctic North Norway to Belgium. Ireland East through North Europe and Central Europe. North Italy. European Russia to the Russian Far East, Siberia and Mongolia. [8] [9]
Habitat: Quercus forest (beside springs, flushes and brooks). Alnus and Salix habitats carr, fen and margins of raised bogs. [10] Flowers visited include Anemone nemorosa, Bellis, Caltha, Cardamine, Malus sylvestris, Menyanthes, Prunus spinosa, Ranunculus, Salix, [11] The flight period is mid April to mid May.The larva is associated with springs and wet flushes.
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