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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Antlions, Lacewings and Allies (Neuroptera) » Alderflies , Dobsonflies, and Fishflies (Megaloptera) » Dobsonflies and Fishflies (Corydalidae) » Dark Fishflies (Nigronia) » Nigronia fasciatus
Photo#26521
Spider and Prey on Water - Nigronia fasciatus
Copyright © 2005 Chris Wirth

Spider and Prey on Water - Nigronia fasciatus
Powhatan County, Virginia, USA
Can anyone ID the spider? - Thanks

Images of this individual: tag all
Spider and Prey on Water - Nigronia fasciatus Spider and Prey on Water - Dolomedes tenebrosus
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Contributed by Chris Wirth on 2 August, 2005 - 8:44am
Last updated 23 June, 2008 - 6:02pm

Moved
Moved from Dark Fishflies.
… john and jane balaban, 23 June, 2008 - 6:02pm login or register to post comments

Looks like Nigronia fasciatus
The fishfly appears to be Nigronia fasciatus, and a male, I think. A Guide To The Megaloptera And Aquatic Neuroptera Of Florida (1) keys:

Wings with large white areas more or less continuous, especially across the middle; anal area of hindwing white; male antennae modified pectinate; female antennae serrate--->Nigronia fasciatus

Wings with white spots isolated often associated with crossveins; anal area of hindwing brown; male and female antennae serrate--->Nigronia serricornis

Your specimen seems to have the large white area on the forewing and those antennae appear to be somewhat comb-like, esp. compared to the other images in the guide, of what appears to be N. serricornis. One hindwing is visible, and I think I see white on the anal area (corner close to the body).

Patrick Coin
Durham, North Carolina
… Cotinis, 5 January, 2006 - 1:38am login or register to post comments

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