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

Clickable Guide

Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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

Suborder Troctomorpha

Representative Images

What order is this insect? - Stimulopalpus japonicus Liposcelidid - Liposcelis decolor Tapinella? - Tapinella Psocodea - Lithoseopsis hellmani second lateral image - Stimulopalpus japonicus Tapinella maculata - male Tapinella sp AL1 - Tapinella undescribed - female Found in oatmeal. North America, USA, California, near Los Angeles - Liposcelis

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Troctomorpha

Identification

Antennae with 14-15 segments, rarely with fewer segments (the only exception is the Palearctic genus Nephax which possess antennae of 13 segments), the flagellar segments beyond the fifth usually with secondary annulations. Labial palps 2-segmented. Forewing, when present, lacking sclerotized pterostigma. Tarsi 3-segmented.
Contributed by v belov on 28 June, 2011 - 4:07pm
Additional contributions by Arturo Santos
Last updated 4 March, 2023 - 10:26pm

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