Psocodea
Guides
Tapinella maculata
thick barklouse
Tapinella maculata is a species of thick barklouse in the family Pachytroctidae. It is known from a broad geographic range spanning the Caribbean, Central America, North America, and South America. The species was described by Mockford and Gurney in 1956. As a member of the order Psocodea, it belongs to a group of small, often overlooked insects commonly known as barklice or booklice.
Tapinellinae
Tapinellinae is a subfamily of small, wingless insects within the family Pachytroctidae (order Psocodea). These minute hexapods are part of the diverse assemblage of barklice and booklice relatives, though specific biological details remain poorly documented. The subfamily was established by Enderlein in 1908 and contains genera characterized by particular morphological features of the head and mouthparts. Members are found in association with decaying organic matter in forest habitats.
Trichadenotecnum majus
common barklouse
Trichadenotecnum majus is a species of common barklouse in the family Psocidae. It has been recorded across Europe, Northern Asia (excluding China), and North America. As a member of the barklice, it inhabits environments where it feeds on organic debris such as lichens, algae, and dead plant material on tree bark and rocks.
Trichadenotecnum pardus
Trichadenotecnum pardus is a species of barklouse in the family Psocidae, first described by Badonnel in 1955. It belongs to a genus of common barklice that are frequently encountered on tree bark and foliage. The species has been recorded across multiple continents including North America, South America, Africa, and Asia, suggesting either a wide natural distribution or potential human-mediated dispersal. Like other psocids, it is likely associated with decaying organic matter and microhabitats on vegetation.
Tricholipeurus
Tricholipeurus is a genus of ischnoceran lice in the family Trichodectidae, parasitic on mammals. The genus was established by Bedford in 1929. Species within this genus are ectoparasites of ungulates, with documented host associations including gazelles. At least one species, Tricholipeurus balanicus, has been recorded from the slender-horned gazelle (Gazella leptoceros) in Algeria.
Trichopsocus dalii
Trichopsocus dalii is a small barklouse species in the family Trichopsocidae, characterized by its green coloration. It has been recorded across Europe, North Africa, the Middle East, and North America. The species is associated with a broad range of woody host plants.
Valenzuela
lizard barklice
Valenzuela is a large genus of barklice in the family Caeciliusidae, commonly known as lizard barklice. The genus contains at least 300 described species, making it one of the most diverse genera within Psocodea. Some species are known from Eocene fossils in Poland and Russia, indicating a long evolutionary history. Members of this genus are small, winged or wingless insects that inhabit bark and leaf litter environments.
Valenzuela croesus
lizard barklouse
Valenzuela croesus is a species of barklouse in the family Caeciliusidae, first described by Chapman in 1930. It belongs to the order Psocodea, a group of small, often overlooked insects commonly known as barklice or booklice. The species has been documented in parts of Central America and North America.
Valenzuela distinctus
Valenzuela distinctus is a species of barklouse in the family Caeciliusidae, first described by Mockford in 1966. It belongs to the order Psocodea, a group of small, often overlooked insects commonly found in association with vegetation, bark, and leaf litter. The species has been documented across a broad geographic range including Mexico, the Caribbean, Trinidad, and the Galapagos Islands. As with many psocids, detailed ecological and behavioral studies are limited.
Valenzuela gonostigma
lizard barklouse
Valenzuela gonostigma is a species of lizard barklouse in the family Caeciliusidae. It has been recorded from North America and Southern Asia, with specific distribution records from Japan, the United States, China, and Taiwan. As a member of the order Psocodea, it belongs to a group of small, often overlooked insects commonly known as barklice or booklice.
Valenzuela hyperboreus
lizard barklouse
Valenzuela hyperboreus is a species of lizard barklouse in the family Caeciliusidae, described by Mockford in 1965. It belongs to the order Psocodea, a group of small, often overlooked insects commonly known as barklice or booklice. The species has been recorded in North America, with confirmed observations in the United States.
Valenzuela indicator
lizard barklouse
Valenzuela indicator is a species of lizard barklouse in the family Caeciliusidae, first described by Mockford in 1969. It belongs to the order Psocodea, a group of small insects that includes barklice and booklice. The species has been recorded from the Caribbean region and North America, with specific distribution records from Cuba. Like other members of the genus Valenzuela, it is likely associated with dead leaf litter and bark habitats, though detailed ecological studies remain limited.
Valenzuela lachloosae
Valenzuela lachloosae is a species of barklouse in the family Caeciliusidae, order Psocodea. It is an insect in the class Insecta, phylum Arthropoda. No specific ecological or biological details are documented for this species. The genus Valenzuela contains multiple described species, most of which are poorly known.
Valenzuela manteri
lizard barklouse
Valenzuela manteri is a species of lizard barklouse in the family Caeciliusidae, first described by Sommerman in 1943. It belongs to the order Psocodea, a group of small insects commonly known as barklice or booklice. The species is known from North America, with confirmed records from the United States. As a member of the genus Valenzuela, it is part of a diverse group of barklice associated with dead vegetation and bark habitats.
Valenzuela micanopi
lizard barklouse
Valenzuela micanopi is a species of barklouse in the family Caeciliusidae, first described by Mockford in 1965. It belongs to the order Psocodea, a group of small insects commonly found on vegetation, bark, and leaf litter. The species has been documented in the Caribbean Sea region and North America. As a member of the Caeciliusidae family, it is part of a diverse group of barklice that inhabit forested and vegetated environments.
Valenzuela nadleri
Valenzuela nadleri is a species of lizard barklouse in the family Caeciliusidae, described by Mockford in 1966. It is native to North America, with confirmed records from the United States. Like other members of the genus Valenzuela, it is a small, winged barklouse that inhabits bark and lichen microhabitats. The specific epithet honors nematologist Steve Nadler, professor and chair of the UC Davis Department of Entomology and Nematology.
Valenzuela perplexus
lizard barklouse
Valenzuela perplexus is a species of lizard barklouse in the family Caeciliusidae, a group of small, winged insects commonly associated with bark and foliage habitats. The species was described by Chapman in 1930 and is distributed across Central America and North America, with records from Mexico. Like other members of the genus Valenzuela, it is likely associated with dead leaf and bark microhabitats. The specific epithet "perplexus" suggests taxonomic complexity in its original description.
Valenzuela pinicola
lizard barklouse
Valenzuela pinicola is a species of lizard barklouse described by Banks in 1903. It belongs to the family Caeciliusidae, a group of small, often overlooked insects commonly known as barklice or booklice. The species is known from North America, with documented occurrences in the United States and Canada.
Valenzuela posticus
lizard barklouse
Valenzuela posticus is a species of barklouse in the family Caeciliusidae, commonly known as the lizard barklouse. It was described by Banks in 1914 and is known to occur in North America. As a member of the order Psocodea, it belongs to a group of small, often overlooked insects that inhabit bark, leaf litter, and similar microhabitats. The species has been documented in at least 28 observations on iNaturalist.
Valenzuela tamiami
Valenzuela tamiami is a species of barklouse in the family Caeciliusidae, described by Mockford in 1965. It belongs to the order Psocodea, a group of small, often overlooked insects commonly known as barklice or booklice. The species has been recorded in Cuba and North America, with extremely limited observational data.
Xanthocaecilius
lizard barklice
Xanthocaecilius is a genus of lizard barklice established by Mockford in 1989. The genus contains at least two described species: Xanthocaecilius quillayute (Chapman, 1930) and Xanthocaecilius sommermanae (Mockford, 1955). These insects belong to the order Psocodea, a group that includes barklice, booklice, and parasitic lice. The genus has been recorded from Mexico and is part of the family Paracaeciliidae (sometimes referenced as Caeciliusidae in older literature).