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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Stimulopalpus japonicus

Adult and nymph on boulder in mountain river - Stimulopalpus japonicus Herd Creature - Stimulopalpus japonicus tiny bug  - Stimulopalpus japonicus Barklouse? - Stimulopalpus japonicus Insect - Stimulopalpus japonicus mystery barklouse - Stimulopalpus japonicus another mystery bark louse - Stimulopalpus japonicus tropical barklouse - Stimulopalpus japonicus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Troctomorpha
Family Amphientomidae (Tropical Barklice)
Genus Stimulopalpus
Species japonicus (Stimulopalpus japonicus)
Explanation of Names
Stimulopalpus japonicus Enderlein 1906
native to Japan, adventive in NA (e. US); also known from India(1)(2)
often appears in numbers on cement structures and rock outcrops(2) in shaded parks during the summer
Life Cycle
males unknown (thelytokous sp.?)(2)
accidentally introduced during the late 1940s (DC area), now spread west to IL-AL(2)