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Diptera.info :: Identification queries :: Diptera (adults)
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Lonchaeidae: Lonchaea? –> yes
Steve Scholnick
#1 Print Post
Posted on 30-01-2019 21:05
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Location: Maryland, USA
Posts: 128
Joined: 25.12.17

I don’t have a good photo of the area just posterior to the anterior thoracic spiracle but I suspect that those bristles might be visible in a dorsal view. If they would be, I don’t see them.

Assuming that there are no bristles there, this appears to key out to Lonchaea using both the Manual of the Nearctic Diptera and the Lonchaeidae Online keys: setulae on lunule, one bristle on katepisternum (as seen in ventral photo), aristae bare. I’ve included a poor photo showing the fully extended ovipositor in case it’s useful.

I’d really appreciate input from those with more expertise than me. TIA

bugguide.net/images/raw/PH3/H6H/PH3H6HHRUHLR6HFH2HBH8H1HEHFHPH1HKLEZ7H8ZKLEZ0LTHQLVHIHPZXH8ZQLVHKLDHRLDHKLDH4HEZ.jpg

bugguide.net/images/raw/PQD/02Q/PQD02QB0GQ102QC0SKCK8KF0GQT08QNKKK9KKKD0AQZSIKLSNQV0WQVK4KLSIKDK4K30AQLS4KAKGKCK.jpg

bugguide.net/images/raw/8H1/HMH/8H1HMHOH5HDHMHVHKL8ZLL6ZHLCHLL2ZZL8Z4HGZ7HCHSL8Z5H2ZLLTHWHLRXLFHPH9Z8LEZ5H6ZQL5Z.jpg

bugguide.net/images/raw/AH4/HDH/AH4HDH7HAHMHDHGHHR5L1Z5LWZ7LGZXLGZMHAH7HFHNH1ZGLLRUHUZGLWZ4L6Z7H8Z5HLRIL8ZSLOHLL.jpg

bugguide.net/images/raw/8RS/H2R/8RSH2RRHGRZH2R0HKZAL0ZDL8ROZKR2LKREL3LWLZZTL6RVLQZCLPRLHERRH7Z9LZZTZFLNLZZNLQRWL.jpg

Edit: fixed the link to the lousy ovipositor photo
Edited by Steve Scholnick on 10-10-2022 04:43
 
Iain MacGowan
#2 Print Post
Posted on 31-01-2019 18:36
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Location: Perth, Scotland
Posts: 441
Joined: 25.11.04

Ah - North American Lonchaeidae - a rather neglected group in recent years! Anyway Steve you are quite correct this is a female Lonchaea spp perhaps near to Lonchaea albidala McAlpine although its almost impossible to tell without having the specimen under a microscope. You don't still have the specimen by any chance??

best wishes ............. Iain
http://lonchaeida...cies.info/

Iain MacGowan
 
Steve Scholnick
#3 Print Post
Posted on 31-01-2019 18:46
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Location: Maryland, USA
Posts: 128
Joined: 25.12.17

Thanks Iain! I'm afraid I let her go after I was done taking photos – I keep insects confined to a spectrophotometer cuvette when photographing indoors.
What would you need to see under a microscope to make a species ID? If it's an external feature, I may be able to photograph it if I catch another one
Thanks again.

Steve
 
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