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Family Opomyzidae

Picture-winged Fly? - Geomyza tripunctata

Geomyza balachowskyi ?? - Geomyza balachowskyi

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Diptera (Flies)

No Taxon ("Acalyptratae")

Superfamily Opomyzoidea

Family Opomyzidae

Synonyms and other taxonomic changes

revised in (1)

Explanation of Names

Opomyzidae Fallén 1820

Numbers

13 spp. in 3 genera in our area(2), ~60 spp. in 4 genera total(3)

Size

1-5 mm(2)

Identification

Wings with vein Sc incomplete (but R1 appears to swollen at the point of the subcostal break), humeral costal break absent, subcostal break present, cell cup present, head with 1 pair of orbital setae, postocellar setae usually absent, but if present, divergent, no distinct vibrissa developed, tibiae without dorsal preapical setae.

Anomalochaeta guttipennis: boreal, postocellar setae present, wings mostly dark with ~10 round hyaline spots

Geomyza: widespread, no postocellar setae, wings narrow, disc of scutellum bare, with shortened pair of basal setae

Opomyza: widespread, no postocellar setae, wings normal, disc of scutellum setulose, basal and apical scutellar setae subequal

Range

adults on grass in moist areas; larvae probably stem borers(2)

Food

Grasses including cereal crops

Internet References

images(4)

Works Cited

1.	The North American species of the family Opomyzidae (Diptera: Acalypterae) Vockeroth J.R. 1961. Can. Ent. 93: 502-522.

2.	American Insects: A Handbook of the Insects of America North of Mexico Ross H. Arnett. 2000. CRC Press.

3.	Order Diptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification... Pape T., Blagoderov V., Mostovski M.B. 2011. Zootaxa 3148: 222–229.

4.	Diptera.info

Contributed by tom murray on 30 December, 2006 - 5:03pm
Additional contributions by Beatriz Moisset, v belov, Arturo Santos
Last updated 25 August, 2021 - 10:52am

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