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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » True Bugs (Heteroptera) » Water Boatmen (Corixidae) » Arctocorixa
Photo#175369
Water Boatman - Arctocorixa
Copyright © 2008 tom murray

Water Boatman - Arctocorixa
Groton, Middlesex County, Massachusetts, USA
April 3, 2008
Size: 9mm

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Water Boatman - Arctocorixa Water Boatman - Arctocorixa Water Boatman - Arctocorixa
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Contributed by tom murray on 4 April, 2008 - 12:02am
Last updated 5 February, 2009 - 1:23am

Moved
Moved from Trichocorixa.
… Tim Loh, 5 February, 2009 - 1:23am login or register to post comments

These are hard to id...
without close view of dry specimens...Here's another genus to add:
Hesperocorixa
… Tim Loh, 23 January, 2009 - 11:18pm login or register to post comments

 
Dry specimens
This summer I'll have to let them dry off before photographing them. And face shots look like they could be useful for some of the keys.
… tom murray, 23 January, 2009 - 11:29pm login or register to post comments

 
Sorry...I'm afraid this is wrong :(
After rechecking my ids with the same key and another key, it looks like Arctocorixa-the clavus (triangular portion of the hemielytra)does pass the nodal furrows on the sides, which I could barely see..also there is a longitudinal carina (the central visible midline) on the pronotum that extends 2/3s or more from anterior to posterior. Also Trichocorixa appears to be smaller than 5 mm in length.
On the plus side this is a new genus to the guide.
… Tim Loh, 5 February, 2009 - 1:21am login or register to post comments

Great!
Corixidae haven't been identified beyond family before this one. Thanks for getting info on this neglected family.
… tom murray, 23 January, 2009 - 11:10pm login or register to post comments

Trichocorixa
Based on online key from aquatic inverts of Alberta
… Tim Loh, 23 January, 2009 - 11:03pm login or register to post comments

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