Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events
TaxonomyBrowse
Info
ImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Merodontini » Eumerus

Genus Eumerus

Classification · Explanation of Names · Numbers · Identification · Range · Habitat · Life Cycle · Remarks · Internet References · Works Cited
Eumerus sp. - Eumerus Fly - Eumerus fly - Eumerus Syrphid fly species? - Eumerus Eumerus species? - Eumerus - male Syrphid flies? - Eumerus Eumerus? - Eumerus Syrphid Fly - Eumerus - female
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 Merodontini
Genus Eumerus
Explanation of Names
Eumerus Meigen 1822
Numbers
3 spp. in our area (all adventive)(1)(2), >280 worldwide
Identification
Either blackish flies with silvery spots on the tergites or reddish flies with blackish thorax. Hind Femur is swollen. The head bears no facial projection and the mouth edge is only slightly projected.
Range
most diverse in the Palaearctic; in NA, coast to coast(1)
Habitat
Most are thermophilous and can be found in grasslands and at the borders of woods and bushes, often near the larval foodplants.
Life Cycle
larvae mine in bulbs (e.g. Allium) and are considered pests
Remarks
Most species fly quickly near the surface, which makes them difficult to spot
Internet References
Taxon page(2)
Works Cited
1.Eumerus narcissi Smith (Diptera, Syrphidae), presence in Europe confirmed, with a redescription of the species
Speight M.C.D., Hauser M., Withers P. 2013. Dipterists Digest 20: 17-32.
2.Key to the genera of nearctic Syrphidae
Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. CJAI 23: 1‒351.
Contributed by john and jane balaban on 21 February, 2005 - 3:07pm
Additional contributions by Beatriz Moisset, Aaron Schusteff, v belov
Last updated 18 January, 2014 - 5:13pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact