Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Plagiognathus

Plant Bug8552 - Plagiognathus tumidifrons Obscure plant bug - Plagiognathus obscurus plant bug - Plagiognathus Plant Bugs Genus Plagiognathus  - Plagiognathus Plant bug - Plagiognathus Bug - Plagiognathus Plagiognathus politus Uhler - Plagiognathus politus Which Mirid might this be? - Plagiognathus obscurus
Classification
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 Phylinae
Tribe Phylini
Subtribe Oncotylina
Genus Plagiognathus
Synonyms and other taxonomic changes
Microphylellus Reuter 1909; Gerhardiella Poppius 1911; Chaetophylidea Knight 1968
Classification recently revised(1)
Explanation of Names
Plagiognathus Fieber 1858
Numbers
86 native and 3 introduced species (P. arbustorum, P. chrysanthemi, P. vitellinus) in our area, >120 total(1)
Size
2.3-5.8 mm
Identification
Identification requires great care. Coloration of the antennae, legs, and hemelytra is extremely useful in recognizing many species, though some species show substantial variation(1)
Range
Holarctic; throughout the US and so. Canada; greatest species diversity north of 40°N
Food
Host plants include many coniferous and broad-leaved trees, shrubs, and herbaceous plants (Asteraceae, Betulaceae, Fabaceae, Rosaceae, Salicaceae, etc.); individual species often rather host-specific.
Life Cycle
most spp. univoltine, a few bivoltine