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Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
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Species Merodon equestris - Narcissus Bulb Fly

Syrphid Fly? - Merodon equestris - male Unkonwn Syrphid - Merodon equestris - male Narcissus bulb fly - Merodon equestris Narcissus Bulb Fly - Merodon equestris Narcissus bulb fly - Merodon equestris - female Boot-shaped wing cell - Merodon equestris - male which syrphid? - Merodon equestris - female Syrphid Fly 1/3 - Merodon equestris
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Aschiza")
Family Syrphidae (Syrphid Flies)
Subfamily Eristalinae
Tribe Merodontini
Genus Merodon
Species equestris (Narcissus Bulb Fly)
Other Common Names
Large Narcissus Fly, Greater Bulb Fly, Large Bulb Fly
Synonyms and other taxonomic changes
Merodon equestris (Fabricius)
Orig. Comb: Syrphus equestris Fabricius 1794
Size
12-14 mm(1)
Identification
Color variable:

eyes meet at the frons in males (below left), separated in females (below right), but the difference is not visible from behind

Wing veins include a pattern that resembles a sock:
Range
native to Europe, adventive and now widespread in North America (wherever daffodils (Narcissus spp. are grown), Japan, and Australasia(1)(2)
Food
Larvae live in and feed upon plant bulbs; adults nectar widely (BG data)
Life Cycle
overwinters as large maggot(2)
Remarks
locally important pest of daffodils (Narcissus spp.)(1); accidentally introduced in the US, probably with bulbs