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Species Adelphocoris lineolatus - Alfalfa Plant Bug

Adelphocoris lineolatus Light green plant bug? - Adelphocoris lineolatus Plant Bug - Adelphocoris lineolatus Minute pirate bug? - Adelphocoris lineolatus Miridae, Alfalfa Plant Bug - Adelphocoris lineolatus Unknown Bug - Lygus? - Adelphocoris lineolatus Mirini - Adelphocoris lineolatus Mirini? - Adelphocoris lineolatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Cimicomorpha
Superfamily Miroidea
Family Miridae (Plant Bugs)
Subfamily Mirinae
Tribe Mirini
Genus Adelphocoris
Species lineolatus (Alfalfa Plant Bug)
Explanation of Names
Adelphocoris lineolatus (Goeze 1778)
7-9 mm
native to the Palaearctic, adventive and widespread in NA (ME-ON-AB to NC-CO)(1)
fields, grassy areas; adults are attracted to light
adults present from late May to late October in the northeast
nymphs and adults feed on legumes [incl. alfalfa (Medicago sativa), crownvetch (Securigera varia)] and grasses(2)
Life Cycle
two or more generations per year
Click on thumbnails to view the life cycle:
earliest NA record: NS 1917(1)
nymphs are parasitized by the braconid wasps Peristenus conradi and P. pallipes, which have been used to control of A. lineolatus in ne. US
Print References
Loan C.C. (1980) Plant bug hosts of some euphorine parasites near Belleville, Ontario, Canada. Le Naturaliste Canadien 107: 87-93 (Full text)
Works Cited
1.Alien true bugs (Hemiptera: Heteroptera) in Canada: composition and adaptations
Scudder G.G.E., Foottit R.G. 2006. Can. Entomol. 138: 24-51.
2.An annotated list of the Miridae of West Virginia (Hemiptera-Heteroptera)
A.G. Wheeler Jr., T.J. Henry, T.L. Mason Jr. 1983. Transactions of the American Entomological Society 109:127–159.