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See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

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Previous events


Species Stimulopalpus japonicus

Adult and nymph on boulder in mountain river - Stimulopalpus japonicus Stimulopalpus japonicus? - Stimulopalpus japonicus mystery barklouse - Stimulopalpus japonicus Insect - Stimulopalpus japonicus Stimulopalpus japonicus Bark Louse Nymph - Stimulopalpus japonicus Insect Nymphs Scurrying Around Storm Drain Cover - 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)