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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Alderflies, Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae) » Dark Fishflies (Nigronia) » Nigronia serricornis
Photo#4226
Dark Fishfly - Nigronia serricornis
Copyright © 2004 Cindy Mead

Dark Fishfly - Nigronia serricornis
Northern, Michigan, USA
June 9, 2004
body shape/size similiar to an eastern dobsonfly- weak flight pattern, fed in tall grasses
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Contributed by Cindy Mead on 11 June, 2004 - 10:47pm
Last updated 23 June, 2008 - 6:06pm

Moved
Moved from Dark Fishflies.
… john and jane balaban, 23 June, 2008 - 6:06pm login or register to post comments

Great Photo
I moved this one into the guide.
… Troy Bartlett, 12 June, 2004 - 11:26pm login or register to post comments

Dark Fishfly
Nice photo. This is a "Dark Fishfly". It is in the same family as Dobsonflies, Corydalidae. , The genus is Nigronia. There are just just two species, fasciatus and serricornis, but I have no idea how to tell them apart.
See the BugGuide Account.

Patrick Coin
Durham, North Carolina
… Cotinis, 12 June, 2004 - 6:03am login or register to post comments

 
re: indentification
hi Patrick, thanks so much for your help. I couldn't find this one in any of my field guides, including 'Insects of the Great Lakes Region'. Glad to have a name for it, thanks again :)
… Cindy Mead, 12 June, 2004 - 11:07am login or register to post comments

 
Should be Nigronia serricornis
Based on range, this should be Nigronia serricornis. There are only two species, and A Guide To The Megaloptera And Aquatic Neuroptera Of Florida (1) says that N. fasciatus is not found in the upper midwest, so that leaves N. serricornis.

Now to figure out what I'm seeing here in NC, where we are supposed to have both. These have a short flight season, so it's tough to find them.

Patrick Coin
Durham, North Carolina
… Cotinis, 5 January, 2006 - 1:33am login or register to post comments

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