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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Aphidoidea » Aphids (Aphididae) » Aphidinae » Aphidini » Aphidina » Aphis
Photo#27452
Cowpea Aphids - Aphis
Copyright © 2005 Lynette Elliott

Cowpea Aphids - Aphis
Flat Iron, Sanders County, Montana, USA
July 25, 2005
Size: about 1 mm
I'm pretty sure this is the cowpea aphid. I found quite a few photos and one from Idaho here.
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Contributed by Lynette Elliott on 8 August, 2005 - 1:58pm
Last updated 28 December, 2010 - 1:46pm

Moved
Moved from Aphids.
… John Pearson, 28 December, 2010 - 1:46pm login or register to post comments

ID
Aphis
… Andrew Jensen, 28 December, 2010 - 1:24pm login or register to post comments

Host plant?
Any idea what the plant was? This site says cowpea aphids have shiny black bodies... these look dull to me, but it's hard to tell for sure.
… Charley Eiseman, 1 December, 2009 - 6:01pm login or register to post comments

 
common tansy
It might have been common tansy but I'm not sure. I have images of common tansy from that time on that day, but not 100% sure it's that plant.
… Lynette Elliott, 1 December, 2009 - 10:05pm login or register to post comments

 
might be Common Tansy
Common Tansy (Tanacetum vulgare) has a longitudinally ridged stem and compound leaves. The ridged stem shows up in this photo and that might the remnant of a compound leaf above the break(?). Common Tansy is listed as a noxious weed in Montana, so perhaps this was the aftermath of a control effort by mowing?
… John Pearson, 13 December, 2009 - 8:04pm login or register to post comments

 
I doubt it
I don't think they mow in this area. You can only get to it by boat, and it's quite small. I think it was probably damaged by people or deer.
… Lynette Elliott, 13 December, 2009 - 8:38pm login or register to post comments

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