Criorhina ranunculi | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Diptera |
Family: | Syrphidae |
Subfamily: | Eristalinae |
Tribe: | Milesiini |
Subtribe: | Criorhinina |
Genus: | Criorhina |
Species: | C. ranunculi |
Binomial name | |
Criorhina ranunculi | |
Synonyms | |
Criorhina ranunculi, is a species of hoverfly found in the spring in many parts of Britain and Europe. [5]
The larvae of C. ranunculi are associated with rotting deciduous wood. [lower-alpha 1] Adults are remarkable bumblebee mimics and are usually found in woodland in springtime visiting flowers such as sallow to feed. [6] [7]
For terms see Morphology of Diptera
Large (wing length 11·25–14 mm.) bumblebee mimic. Thorax and abdomen with long, dense hairs. Hairs black on thorax and basal part of abdomen red or yellowish on tip of abdomen. Scutellar hairs may be pale yellow or brownish. Hind femora considerably thickened, especially in males. Hind tibiae sickle-shaped. [8] [9] [10] [11]
It has a Palaearctic distribution, including southern Norway and Sweden south to central Spain, and from Ireland eastwards through central Europe into European parts of Russia. [12] [13]
Habitat includes: Betula , Fagus , and Quercus forest. [14] Adults are primarily arboreal, but descend to visit flowering shrubs in sun-lit glades. These flies are extremely fast, with a high-pitched whine, zig-zagging between the branches of flowering trees. Flowers visited include Cardamine pratensis , Cornus sanguinea , Crataegus , Photinia , Prunus cerasus , Prunus spinosa , Rubus , Salix , and Sorbus aucuparia . [15] The flight period is from the beginning of March to mid May (later at higher altitudes).
Other bumblebee mimics are Mallota , Arctophila , Merodon , Pocota and Brachypalpus . Criorhina differ from these genera in the form of the antennae.
Eristalis nemorum is a species of hoverfly. It is found in the Palearctic and in the Nearctic.
Xylota segnis, The Brown-toed Forest Fly, is a common species of hoverfly.
Xylota sylvarum is a common Palearctic species of hoverfly.
Eristalis intricaria is a European species of hoverfly. It is a furry bee mimic, superficially resembling Merodon, though Merodon have all black leg tibiae, as opposed to partly yellow. E. intricaria is somewhat variable in colour pattern, and some attempts at naming varieties have been tentatively made. Flight time of adults in the UK are from March to September. It is generally widespread, but is seldom seen in large numbers. Habitat is woodland or marshland.
Merodon equestris is a Holarctic species of hoverfly. Like many other hoverflies it displays a colouration pattern similar to a stinging insect as an evolutionary defense mechanism. Other syrphid bee mimics are Mallota, Arctophila, Criorhina, Pocota and Brachypalpus. Merodon species are distinguished from these by the very strong hind femora, which bear a large triangular projection on the underside near the tip. It flies in low vegetation while the other bumblebee mimics prefer higher vegetation layers.
Criorhina berberina is a species of hoverfly. It is found in the Palaearctic from Fennoscandia South to Iberia and Italy. Ireland eastwards through Europe into Turkey and European Russia . C. berberina is a bumblebee mimic. The body has uniformly long dense pubescence, obscuring the ground-colour. There are two forms one with the pubescence more or less extensively blackish, one in which it is entirely yellow or tawny. Criorhina differ from other bumblebee mimics - Mallota, Arctophila, Pocota and Brachypalpus by the form of their antennae: the first segments are thin and form a stalk, the third segment is shorter than it is wide. In Criorhina, the face projects downwards, in contrast to Pocota and Brachypalpus.
Eriozona syrphoides is a European species of hoverfly. A large, bee mimic The thorax has black hairs in the middle and yellow or reddish hairs on the front and hind margins. The scutellum is white to yellow with yellow hairs. The abdomen has white hairs in front, black in the middle and has red hairs at the tip. The wing has a dark patch. The habitat is Picea, Abies forest. It is arboreal descending to feed on white umbellifers, Centaurea, Cirsium, Crataegus, Epilobium, Hypericum, Ranunculus, Sambucus nigra, Sorbus aucuparia, Succisa, Valeriana. It ranges from Fennoscandia south to France and from Ireland eastwards through Central Europe and northern Italy into European Russia and the Russian Far East and on through Siberia to the Pacific coast. The larva feeds on aphids.
Ferdinandea cuprea is a European species of hoverfly notable for its brassy abdomen. The larvae have been found in sap from trunk damage on oak and ash.
Pipiza austriaca is a species of hoverfly, from the family Syrphidae, in the order Diptera.
Criorhina floccosa, is a species of hoverfly. It is found in many parts of the Palearctic including Europe.
Heringia vitripennis is a Palearctic species of hoverfly.
Megasyrphus erraticus is a Holarctic species of hoverfly associated with mature conifer woodlands and plantations.
Doros profuges is a Palearctic species of hoverfly.
Epistrophe nitidicollis is a European and North American species of hoverfly.
Brachypalpus valgus is a species of hoverfly found in Europe.
Cheilosia chrysocoma is a European species of hoverfly.
Xylota abiens is a European species of hoverfly.
Xylota florum is a Palearctic species of hoverfly.
Mallota cimbiciformis is a Palearctic hoverfly.
Cheilosia nigripes is a Palearctic hoverfly.
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