Parhelophilus
Girschner, 1897
Bog Flies
Species Guides
7- Parhelophilus divisus(Yellow-legged Bog Fly)
- Parhelophilus flavifacies(Black-legged Bog Fly)
- Parhelophilus integer(Shiny Bog Fly)
- Parhelophilus laetus(Common Bog Fly)
- Parhelophilus obsoletus(Unadorned Bog Fly)
- Parhelophilus porcus(black bog fly)
- Parhelophilus rex(Dusky Bog Fly)
Parhelophilus is a of hoverflies ( Syrphidae) in the tribe Eristalini. Members are slightly smaller than those of the related genus Helophilus. The genus has a Holarctic distribution, with occurring across northern temperate regions of North America and Eurasia. Commonly known as Bog Flies, they are associated with wetland .
Pronunciation
How to pronounce Parhelophilus: //ˌpɑːr.hɛˈloʊ.fɪ.ləs//
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Identification
Smaller body size relative to the closely related Helophilus. Specific diagnostic features for distinguishing Parhelophilus from Helophilus are not documented in available sources.
Images
Habitat
Wetland environments, as indicated by the Bog Flies. Specific microhabitat preferences within wetlands are not documented.
Distribution
Holarctic distribution. Records confirmed from Denmark, Norway, Sweden, and the United States (including Vermont).
Similar Taxa
- HelophilusParhelophilus are slightly smaller than Helophilus, from which they were historically separated as a distinct .
More Details
Species diversity
The contains at least 18 described , including P. frutetorum (Fabricius, 1775), P. versicolor (Fabricius, 1794), P. porcus (Walker, 1849), P. obsoletus (Loew, 1863), P. consimilis (Malm, 1863), P. divisus (Loew, 1863), P. flavifacies (Bigot, 1883), P. brooksi Curran, 1927, P. rex Curran and Fluke, 1922, P. currani Fluke, 1953, P. almasyi Szilády, 1940, P. sibiricus (Stackelberg, 1924), P. kurentzovi Violovich, 1960, P. obscurior Violovich, 1960, P. integer (Loew, 1963), P. laetus (Loew, 1963), and P. crococoronatus Reemer, 2000.
Taxonomic history
The was established by Girschner in 1897, separating certain from Helophilus based on morphological distinctions.