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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 » Macrosiphini » Macrosiphum
Photo#1364137
Aphis spiraecola? - Macrosiphum
Copyright © 2017 Salvador Vitanza

Aphis spiraecola? - Macrosiphum
Frederick, Frederick County, Maryland, USA
May 2, 2017
A heavy outbreak of these aphids were affecting most young leaves of Spiraea plants
Coordinates: 39.450291, -77.404851
I am posting several photos hoping that they help with the ID
Feel free to frass any image you deem repetitive or unnecessary

Images of this individual: tag all
Aphis spiraecola? - Macrosiphum Aphis spiraecola? - Aphis Aphis spiraecola? - Aphis Aphis spiraecola? - Macrosiphum Aphis spiraecola? - Aphis Aphis spiraecola? - Macrosiphum Aphis spiraecola? - Aphis Aphis spiraecola? - Macrosiphum Aphis spiraecola? - Macrosiphum
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Contributed by Salvador Vitanza on 2 May, 2017 - 6:42pm
Last updated 9 October, 2020 - 6:49pm

Moved
Moved from Aphids.
… Natalie Hernandez, 9 October, 2020 - 6:49pm login or register to post comments

Mixed colony.
The Pink and darker green ones look like Macrosiphum euphorbiae. They're all immatures though so not positive.

The bright yellowish green aphids could be Aphis pomi, I think the siphunculi are a little too long for A. spiraecola, but they can look really similar so again, not positive.

https://influentialpoints.com/Gallery/Aphis_pomi_green_apple_aphid.htm

https://influentialpoints.com/Gallery/Aphis_spiraecola_spirea_aphid.htm

This is the couplet in the Spiraea key that separates them.

14 Marginal tubercles (MTu) present on ABD TERG 2-4. Cauda with 10-19 hairs (rarely less than 13) R IV+V more than 0.13 mm …..Aphis pomi

- MTu absent from ABD TERG 2-4. Cauda with 7-15 hairs (rarely more than 12). R IV+V less than 0.125 mm …..Aphis spiraecola
… Natalie Hernandez, 9 October, 2020 - 6:47pm login or register to post comments

Moved
Moved from Aphidoidea.
… Ken Wolgemuth, 2 May, 2017 - 6:51pm login or register to post comments

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