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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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TaxonomyBrowse
Info
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Species Aphis asclepiadis

Milkweed Aphid - Aphis asclepiadis Aphids on milkweed, tended by ant - Aphis asclepiadis milkweed aphids? - Aphis asclepiadis Ants tending aphids - Aphis asclepiadis Aphis asclepeadis - Aphis asclepiadis - female Aphididae - Aphis asclepiadis Aphididae - Aphis asclepiadis   - Aphis asclepiadis - female
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 asclepiadis (Aphis asclepiadis)
Explanation of Names
Aphis (Aphis) asclepiadis Fitch, 1851
asclepiadis (L). "of asclepias"
Range
widely dist. - Map - EoL
Food
Milkweed (Asclepias)
Life Cycle
Narrow specialist with more than 10 hosts (mostly Asclepias spp.) and feeds in smaller colonies that are usually tended by ants (1)
Formica podzolica ants tending milkweed aphids, Aphis asclepiadis, protect aphid colonies from lethal fungal infections caused by an obligate aphid pathogen, Pandora neoaphidis. (2)
Print References
Nielsen, C., A.A. Agrawal, and A.E. Hajek. 2009. Ants defend aphids against lethal disease. Biology Letters DOI: 10.1098/rsbl.2009.0743 (2)
Smith, R.A., K.A. Mooney, A.A. Agrawal. 2008. Coexistence of three specialist aphids on common milkweed, Asclepias syriaca. Ecology. 89(8): 2187-2196. (3)
Züst, T. & A.A. Agrawal. 2015. Population growth and sequestration of plant toxins along a gradient of specialization in four aphid species on the common milkweed Asclepias syriaca. Functional Ecology doi: 10.1111/1365-2435.12523 pp. 1-10. (1)
Internet References
Works Cited
1.Population growth and sequestration of plant toxins along a gradient of specialization in four aphid spp. on common milkweed.
Züst, T. & A.A. Agrawal. 2015. Functional Ecology doi: 10.1111/1365-2435.12523 pp. 1-10.
2.Ants defend aphids against lethal disease.
Nielsen, C., A.A. Agrawal, and A.E. Hajek. 2009. Biology Letters DOI: 10.1098/rsbl.2009.0743.
3.Coexistence of three specialist aphids on common milkweed, Asclepias syriaca.
Smith, R.A., K.A. Mooney, A.A. Agrawal. 2008. Ecology. 89(8): 2187-2196.