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Species Macrosiphum euphorbiae - Potato Aphid

Red aphids - Macrosiphum euphorbiae Found underside of tomato leaf.  Northeastern Oklahoma (Tulsa).  Photo taken at approx. 30x magnification - Macrosiphum euphorbiae aphids on petunia - Macrosiphum euphorbiae Aphid birth - Macrosiphum euphorbiae - female Macrosiphum euphorbiae - male Macrosiphum euphorbiae - female aphid - Macrosiphum euphorbiae aphid - Macrosiphum euphorbiae
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 Macrosiphini
Genus Macrosiphum
Species euphorbiae (Potato Aphid)
Other Common Names
Tomato aphid
Pink and green potato aphid
Synonyms and other taxonomic changes
Macrosiphum euphorbiae (Thomas)
Orig. Comb: Siphonophora euphorbiae Thomas 1878
2.4-3.6 mm long
Grayish green to pink; antennae longer than body and brown on the apical half; cornicles cylindrical and very long; cauda finger-shaped. (from HYPP Zoology)
Map - Discover Life
Primary (winter) host is rose; secondary (summer) hosts include potato and tomato. (1)
The potato aphid attacks over 200 plants including vegetable and ornamental crops as well as weeds. Cultivated food hosts include apple, bean, broccoli, burdock (gobo), cabbage, celery, Chinese broccoli, Chinese cabbage, corn, eggplant, ground cherry, lettuce, mustard cabbage, papaya, pea, pepper, potato, strawberry, sunflower, sweetpotato, tomato, turnip, white mustard cabbage and zucchini. Ornamental hosts are aster, Easter lily, gladiolus, iris and rose. Weed hosts, such as lamb's quarters, pig weed, ragweed, and shepherd's-purse serve as important reservoir hosts for the species. - Univ. Hawaii
Print References
Walker, G.P. 1982. The dispersion and abundance of the potato aphid (Macrosiphum euphorbiae (Thomas)) on tomato (Lycopersicon esculentum Mill.). Ph.D. Dissertation, Ohio State University, Wooster. ix + 123 pp. (Link to full text)
Works Cited
1.Garden Insects of North America : The Ultimate Guide to Backyard Bugs (Princeton Field Guides)
Whitney Cranshaw. 2004. Princeton University Press.