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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Psocus leidyi

Barklice - Psocus leidyi - female Unknown Barklice - Psocus leidyi Barklouse - Psocus leidyi Psocus leidyi Barklice of some kind? - Psocus leidyi Pennsylvania Barklouse for ID - Psocus leidyi Psocus leidyi Metylophorus - Psocus leidyi
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Psocetae
Family Psocidae (Common Barklice)
Subfamily Psocinae
Tribe Psocini
Genus Psocus
Species leidyi (Psocus leidyi)
Explanation of Names
Psocus leidyi Aaron 1886
A row of three black dots running across the middle of the forewing; large black dot on the 'nose' and strong black dot over the ocelli also distinctive
e. US & adjacent Canada (NB-FL to MN-AR) + an outlier pop. in n.CA(1)
tree trunks/branches, occasionally rock outcrops(1)
Works Cited
1.North American Psocoptera
Edward L. Mockford. 1993. Sandhill Crane Press.