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View Thread :: Identification queries :: Diptera (adults)
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Lonchaeidae: Earomyia? -> Earomyia aberrans
Steve Scholnick
#1 Print Post
Posted on 19-03-2020 20:06

Location: Maryland, USA
Posts: 125
Joined: 25.12.17

Update: ID'd to Earomyia aberrans by Iain MacGown through dissection of genitalia. Thanks Iain!

This one appears to key out to Earomyia using the Manual of the Nearctic Diptera. In the Lonchaeidae Online key it resolves to couplet 5, Earomyia vs. Fulgenta, but the key says that latter is "Afrotropical only". One caveat is that the Lonchaeidae Online key describes Earomyia as "arista usually bare" but I'd call this fly's arista pubescent.

body length ~ 4mm

Thanks for the help
Edited by Steve Scholnick on 09-10-2022 22:54
Iain MacGowan
#2 Print Post
Posted on 19-03-2020 21:58
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Location: Perth, Scotland
Posts: 431
Joined: 25.11.04

Hi Steve

Yes this is indeed an Earomyia species. Sorry if the key in Lonchaeidae online was a bit misleading - several Nearctic species do have a pubescent arista. The genus is not well known in the Americas - only 8 described species and only 5 are included in a key (McAlpine, 1956) so possibly more species to be found!. It looks to me most similar to Earomyia barbara - but it is known mostly from conifer areas on the west coast. It really needs an examination of the male genitalia to be sure of identity. Let me know if I can help further
......... Iain
Iain MacGowan
Steve Scholnick
#3 Print Post
Posted on 19-03-2020 22:26

Location: Maryland, USA
Posts: 125
Joined: 25.12.17

Hi Iain,
Many thanks! I didn't take any photos of the ventral side because I couldn't get the fly straightened out to get a decent view. However, I think this one is a female. However, I've saved the specimen in ethanol if you think it's worth trying to get those photos

Steve Scholnick
#4 Print Post
Posted on 23-03-2020 18:13

Location: Maryland, USA
Posts: 125
Joined: 25.12.17

a quick and ugly ventral view of the abdominal apex. the specimen has been in ethanol since the original photos were posted
Steve Scholnick attached the following image:

Edited by Steve Scholnick on 23-03-2020 18:14
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