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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 » Rhopalosiphina » Rhopalosiphum » Rhopalosiphum enigmae
Photo#355368
Aphid on Cattail reeds - Rhopalosiphum enigmae
Copyright © 2009 tom murray

Aphid on Cattail reeds - Rhopalosiphum enigmae
Groton, Middlesex County, Massachusetts, USA
November 28, 2009
Size: 1.7mm
This aphid was on a Cattail reed (Typha sp.) out in a swamp.
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Contributed by tom murray on 29 November, 2009 - 2:03pm
Last updated 28 February, 2023 - 10:05am

Moved
Moved from Rhopalosiphum.
… Charley Eiseman, 14 November, 2016 - 3:19pm login or register to post comments

Probably R. enigmae
While a handful of Rhopalosiphum species feed on cattail, the most common is R. enigmae.
This comes with a few caveats though:
A second cattail specialist, R. laconae, is known from Virginia through South Carolina, though I suspect it's synonymous with R. enigmae (working on DNA at the moment, hopefully will clear this up in the next few months).
Rhopalosiphum nymphaeae and R. padi are also known to feed on cattail. Rhopalosiphum padi is green with red between the siphunculi, while R. nymphaeae is generally covered in wax and has inflated siphunculi.

So based on the host and gestalt, I'd be comfortable calling this R. enigmae, at least as we understand it at the moment.
… Michael Skvarla, 14 November, 2016 - 1:53pm login or register to post comments

Moved
Moved from Aphids.
… tom murray, 14 December, 2009 - 8:40pm login or register to post comments

ID
Rhopalosiphum
… Andrew Jensen, 14 December, 2009 - 8:26pm login or register to post comments

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