Psocids
Guides
Blastopsocus
common barklice
Blastopsocus is a genus of barklice in the family Psocidae, established by Roesler in 1943. The genus comprises nine described species distributed in the Americas, from the United States through Central America. These insects are small, winged or wingless psocids that inhabit bark and foliage environments. Species-level taxonomy has been refined through works by Mockford (2002) and other psocid specialists.
Caeciliusidae
Lizard Barklice
Caeciliusidae is a family of barklice in the order Psocodea, comprising at least 40 genera and approximately 650 described species. Members are small, soft-bodied insects commonly found on vegetation and bark. The family was originally named Caeciliidae but was renamed due to homonymy with an amphibian family. The subfamily Paracaeciliinae has been elevated to family rank as Paracaeciliidae.
Ectopsocidae
Outer Barklice
Ectopsocidae is a family of small bark lice in the order Psocodea, containing fewer than 200 species concentrated primarily in the genus Ectopsocus. These insects are distinguished by unique wing venation features, particularly the absence of the areola postica in the forewing. They are distributed worldwide with highest diversity in Asia, and are found in dead leaf and leaf litter habitats on trees.
Epipsocus
Epipsocus is a genus of barklice in the family Epipsocidae, characterized by broad, rounded wings with distinctive venation patterns. Members of this genus are small, soft-bodied insects found primarily in tropical and subtropical regions of the Americas. The genus was established by Hermann Hagen in 1866 and remains taxonomically stable.
Liposcelis fusciceps
Liposcelis fusciceps is a species of booklice in the family Liposcelididae, described by Badonnel in 1968. Species in this genus are among the smallest insects, typically measuring about 1 mm in length. They are commonly associated with stored products and human dwellings. The genus Liposcelis is widespread and includes numerous species that are significant pantry pests.
Myopsocus
Myopsocus is a genus of barklice in the family Myopsocidae, established by Hagen in 1866. Members of this genus are small, soft-bodied insects that inhabit tropical and subtropical regions. The genus is distinguished by specific wing venation patterns and genitalic structures. Myopsocus species are found in the Americas and Pacific islands, with records from the United States to Fiji.
Polypsocus
hairy-winged barklice
Polypsocus is a genus of hairy-winged barklice in the family Amphipsocidae, established by Hagen in 1866. The genus contains more than 20 described species distributed primarily in the Americas. These insects are small, soft-bodied psocids associated with bark and lichen habitats. They are part of the diverse Psocodea order, which includes booklice, barklice, and parasitic lice.
Psocetae
bark lice
Psocetae is an infraorder of bark lice within the order Psocodea, established by Pearman in 1936. It comprises four families: Hemipsocidae, Myopsocidae, Psilopsocidae, and Psocidae. Members are characterized by distinctive morphological features including an oval head with a median crevice and specialized limb structures.
Psocus
barklice
Psocus is a genus of barklice in the family Psocidae containing approximately 17 described species. The genus has been taxonomically redefined to exclude many previously assigned unrelated species. Psocus includes the largest known psocids and occurs naturally in Europe and North America.
Ptyctini
common barklice
Ptyctini is a tribe of barklice in the family Psocidae, containing approximately 6 genera and at least 20 described species. Members are small, soft-bodied insects commonly found on bark, foliage, and other surfaces. The tribe was established by Mockford in 1993 and includes genera such as Ptycta, Steleops, and Trichadenotecnum.
Speleketor
Speleketor is a genus of large-winged psocids (booklice/barklice) in the family Prionoglarididae. The genus was established by Gurney in 1943 and contains at least three described species. Members are found in the southwestern United States. Psocids in this genus are characterized by relatively large wings compared to body size, distinguishing them from many related taxa.
Stenocaecilius
lizard barklice
Stenocaecilius is a genus of barklice in the family Caeciliusidae, commonly referred to as lizard barklice. The genus was established by Mockford in 2000 and contains more than 40 described species. Members of this genus belong to the order Psocodea, a group of small, often overlooked insects associated with dead plant material.
Teliapsocus
shaggy psocids
Teliapsocus is a genus of shaggy psocids in the family Dasydemellidae, established by Chapman in 1930. The genus contains at least two described species: T. conterminus (1863) and T. distinctus (1986). These insects are small, winged barklice that inhabit vegetation and are part of the diverse Psocodea order.
Trichopsocus
lash-faced psocids
Trichopsocus is a genus of psocids (barklice and booklice) in the family Trichopsocidae, commonly referred to as lash-faced psocids. The genus contains nine described species distributed across multiple continents. Members are small, winged insects typically associated with vegetation and tree bark.