| Polybiomyia | |
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| Polybiomyia engelhardti missing antennae | |
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| Genus: | Polybiomyia Shannon, 1925 |
Polybiomyia is a genus of hoverfly. [1]
Species include:
 |
| Genus | frontal prominence | abdominal segment 1 | abdominal segment two constriction | abdominal segment 2 length | paraface | other |
|---|---|---|---|---|---|---|
| Ceriana | as long as scape | same size as segment 2 | not constricted | wider than long | very short paraface | looping in third vein R4+5 with spur branch projecting into cell r4+5 |
| Monoceromyia | as long as scape | wider than segment 2 | strongly constricted | longer than wide | loop of vein R4+5 without Spur branch | |
| Polybiomyia | absent or very short | shorter than segment 2 | strongly constricted | longer than wide | vein R4+5 not looping | |
| Primocerioides | shorter than scape | not constricted | wider than long | long paraface and large anterior tentorial pit | eyes and face pilose, vein R4+5 straight | |
| Sphiximorpha | shorter than scape | wider than 2 | slightly constricted anteriomedially | longer than wide | long paraface and large or deep anterior tentorial pit. | Facial tubercle weak to nearly absent. vein R4+5 not looping. |
Hover flies of the genus Microdon are unusual among the Diptera. Like other members of the subfamily, they are myrmecophiles, meaning they inhabit the nests of ants.
Xylota is a Holarctic genus of hoverflies similar in structure to the related genera Chalcosyrphus and Brachypalpoides. As the larvae are saprophytic they're usually found in rotting wood. The adult flies are generally associated with woodland and woodland edges and can often be seen running over the upper sides of leaves. Unlike other syrphids the adults of many species rarely visit flowers preferring instead to gather pollen from leaf surfaces. There are over 100 described species of which 12 can be found in Europe. Seven species have been recorded in Britain. Identification of species has been difficult and identifiction by photographs is risky.
Ceriana is a genus of hoverfly. All species are wasp mimics.
The genus Chrysotoxum consists of large, wasp-mimicking species. The adults are distinguished by very long antennae, oval abdomen with yellow stripes, and yellow patterns on the thoracic pleurae . The species of Chrysotoxum are chiefly Holarctic in distribution. . The species in this genus, are mostly very uniform in structure and colour and are separated with difficulty. Larvae are specialized in preying upon root aphids associated with ant nests.
Platycheirus is a large genus of hoverflies. They are also called sedgesitters.
Criorhina is a genus of hoverflies. Medium to large sized species, black or greenish black, with or without light ground markings mimicking bumblebees. The head is much flattened and broader than the thorax. The antennae are situated upon a prominent conical frontal process, The face is moderately produced below the eyes, downward or forward, in profile. The eyes are bare. The abdomen is elliptical or very short oval. Larvae found in rot holes or decaying hardwoods
Chalcosyrphus is a genus of hoverflies in the subfamily Eristalinae. Many species exhibit some degree of mimicry of various sawflies and other hymenopterans and are often brightly coloured or metallic in hue. The adults are similar in structure and behavior to the related genus Xylota but differ in larval morphology. They can be found throughout Europe, Asia, and North America and seem to prefer damper, boggy habitats. The larvae are saproxylic feeders in rotten wood in these habitats.
Episyrphus is a genus of hoverflies in the subfamily Syrphinae. Larvae are predatory, often on aphids.
Orthonevra is a genus of fly in the syrphidae family with at least 59 species identified so far. They are worldwide in distribution but concentrated in the Eastern North America and Europe.Orthonevra are commonly called Mucksuckers after the larvae which have been found in organic rich mud, i.e. muck. This genus belongs to the tribe Brachyopini that includes the prominent genera Melanogaster, Brachyopa, Neoascia and Sphegina. Orthonevra have black heads with blue to purple reflections. Many species have distinctive eye stripes. The antennae are somewhat elongate. The frons is wrinkled with silvery spots at sides of antennae. The thorax with small punctures dorsally and in several species the body is covered with scale-like pile. Wingd vein M1 curves away from the wing tip.(see images)
Pipiza is a genus Hoverflies, from the family Syrphidae, in the order Diptera. Most are dark hoverflies.
Tropidia is a genus hoverflies, from the family Syrphidae, in the order Diptera.
Cerioidini is a widespread tribe of around 222 species of hoverfly. Cerioidini are mistaken for wasps for which they are effective mimic. Cerioidini have antennae with a terminal style and have somewhat elongate and basally constricted abdomens, only slightly in Ceriana, but pronounced in most Sphiximorpha; and Polybiomyia, and extremely in Monoceromyia. Larvae live mostly within tree sap associated with tree wounds or putrefying pockets of water in tree cavities.
Monoceromyia is a genus of hoverfly. Species in the genus are found in the Afrotropical, Australasian, Neotropical and Oriental regions. They are mimics of wasps and the genus is distinguished by the metapleura being widely separate behind the hind coxae. The elongated frontal base of the antenna is at least as long as the basal segment of the antenna and the second abdominal tergum is longer than wide and constricted.
The Milesiini is a large and diverse tribe of hoverflies. They mimic wasps or hornets.
Sphiximorpha is a genus of hoverfly.
Ocyptamus is a large and diverse genus of over 200 species of hoverfly mostly found in the Neotropical region. It is likely that many of these species will be discovered to be synonyms though many others await description.
Nausigaster is a genus of syrphid flies, or hoverflies, in the family Syrphidae. Larvae have been recorded from decaying cacti and bromeliads.
Neoascia metallica, the Double-banded Fen Fly, is a common species of syrphid fly observed across North America. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies, for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen. The larvae are aquatic.
Total of 245 species either found or highly expected to be found in New York.
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