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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Eristalini » Eristalina » Meromacrus » Meromacrus acutus
Photo#896255
Flower Fly - Meromacrus acutus
Copyright © 2014 Steve Hahus

Flower Fly - Meromacrus acutus
Utica, Daviess County, Kentucky, USA
August 13, 2006
Size: 277 kb; 800x590
Flower Fly, not sure of the species
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Contributed by Steve Hahus on 23 February, 2014 - 7:09pm
Last updated 23 February, 2014 - 10:22pm

Moved
Moved from Syrphid Flies.
… Kelsey J.R.P. Byers, 23 February, 2014 - 10:22pm login or register to post comments

Definitely Meromacrus - Ken i
Definitely Meromacrus - Ken is right as usual!

I'm trying to key it out; unfortunately the latest key I know of for Meromacrus is from 1942. This is probably M. acutus, but I'm not quite sure; I'll keep looking.

edited: There are five species of Meromacrus in the Nearctic. We can rule out M. draco and M. gloriosus - the abdomen is red in both of those species, and this fly's is black. M. croceatus has been described from California, and M. panamensis from the Neotropics (Panama, as implied) - both ranges from diptera.org's Nomenclator. M. acutus is found broadly in the southeastern US, however, so this is almost certainly M. acutus.

edited again! Curran 1930's description of M. panamensis notes that the brown is much more extensive on the wing, going as far as the wing base in the subcostal and first basal cell; this fly doesn't fit that description. The 1960 description of M. croceatus by Hull seems unfindable, unfortunately; however, given the range, I'm comfortable calling this M. acutus.
… Kelsey J.R.P. Byers, 23 February, 2014 - 10:02pm login or register to post comments

 
Meromacrus croceatus description
Did some digging and found this citation:
https://biodiversitylibrary.org/page/53497091
… Even Dankowicz, 7 February, 2018 - 10:24am login or register to post comments

Cropped and moved for expert attention.
Moved from ID Request.

Thinking Meromacrus:



The experts will be able to say for sure.

Welcome to BugGuide!
… Ken Wolgemuth, 23 February, 2014 - 7:12pm login or register to post comments

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