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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Eristalini » Helophilina » Anasimyia » Anasimyia bilinearis

Species Anasimyia bilinearis

Classification · Synonyms and other taxonomic changes · Explanation of Names · Size · Identification · Habitat · Season · Remarks · Print References

syrphid fly, genus Anasimyia - Anasimyia bilinearis - male

Lejops (Anasimyia) bilinearis?? - Anasimyia bilinearis

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Diptera (Flies)

No Taxon ("Aschiza")

Family Syrphidae (Hover Flies)

Subfamily Eristalinae

Tribe Eristalini

Subtribe Helophilina

Genus Anasimyia

Species bilinearis (Anasimyia bilinearis)

Synonyms and other taxonomic changes

Williston 1886 Helophilus bilinearis; Anasimyia bilinearis – used by Skevington.

“The European species of this genus [Anasimyia] were revised by Claussen & Torp (1980)... Various authors, e.g. Peck (1988), van der Goot (1981), treat Anasimyia as a subgenus of Helophilus. Some include these species in Lejops.” (Speight, 2011).

Explanation of Names

Lejops bilinearis (Williston 1887)

Size

8 to 11 mm long

Identification

Abdomen: Male black with white triangle at each side of segment 1, tip expanding at base of segment 2. Some faint greyish marks on other segments, or not.

Female same as male on 1 and 2. Segments 3 and 4 have broken stripes not reaching side edges. Segment 4 has stripe across lower margin, raised and pointed at center.

Thorax: Black. Male has two thin stripes down thorax, female has 4 wide stripes. Thorax side edges with yellowish-tan hair. Scutellum reddish-yellow, sometimes partly outlined with black.

Habitat

Near or in ponds, swamps, bogs, creeks.

Season

April to June

Remarks

Types:

Holotype as Helophilus bilinearis male by Williston, 1886. Type Locality: Colorado. In the United States National Museum, Smithsonian, Washington, D.C.

Print References

Bulletin of the United States National Museum, 1886, Vol. 31 by Williston, pp. 295-296.

The Canadian Entomologist, 1922, Vol. 54 by Curran, pg. 95.

Transactions of the Wisconsin Academy of Sciences, Arts and Letters, 1926, Vol. 22 by Curran & Fluke, pp. 254-255.

U.S. Dept Agriculture Catalog of the Diptera of America North of Mexico, 1965, Handbook #276 by Stone et al., pg. 618.

Contributed by Martin Hauser on 30 June, 2010 - 4:39pm
Additional contributions by john and jane balaban, v belov, lee_penner
Last updated 18 January, 2021 - 8:21am

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