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Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
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Species Aphis craccivora - Cowpea Aphid

black desert aphids - Aphis craccivora black desert aphids - Aphis craccivora Aphids on black locust - Aphis craccivora Aphids on black locust - Aphis craccivora Aphis craccivora Aphis craccivora - female Aphids - Aphis craccivora - female Aphids on scarlet runner beans - Aphis craccivora
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Aphidoidea
Family Aphididae (Aphids)
Subfamily Aphidinae
Tribe Aphidini
Subtribe Aphidina
Genus Aphis
No Taxon (Subgenus Aphis)
Species craccivora (Cowpea Aphid)
Explanation of Names
Author: Koch, 1854
Size
Apterae 1.4-2.0 mm
Identification
Adults always shiny black, immatures lightly dusted with wax and light brownish.
Range
native to the Palaearctic (now cosmopolitan), introduced to NA from around 1890
Food
hosts include plants of many families: Fabaceae (mainly), Malvaceae, Asteraceae, Orchidaceae, etc. with marked preference for Fabaceae
Remarks
Young colonies concentrate on the growing points of plants and are usually attended by ants.
It can be a serious pest of many crops and ornamentals.
Internet References