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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Barklice, Booklice, and Parasitic Lice (Psocodea) » Psocomorpha » Psocetae » Common Barklice (Psocidae) » Psocinae » Cerastipsocus » Tree Cattle (Cerastipsocus venosus)

Species Cerastipsocus venosus - Tree Cattle

Classification · Synonyms and other taxonomic changes · Numbers · Size · Identification · Range · Habitat · Season · Food · Remarks · See Also · Internet References · Works Cited

Common Barklouse - Cerastipsocus venosus

aphid type bugs? = barklice; Cerastipsocus venosus - Cerastipsocus venosus

bark louse - Cerastipsocus venosus - female

Commom Bark Lice - Cerastipsocus venosus

Classification

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

Genus Cerastipsocus

Species venosus (Tree Cattle)

Synonyms and other taxonomic changes

Cerastipsocus venosus (Burmeister)

Orig. Comb: Psocus venosus Burmeister 1839

Numbers

2 spp. n. of Mex. (1)

Size

6-8mm(2)

Identification

one of the more conspicuous species in the East; nymphs and adults often seen clustered together in large groups on smooth tree trunks. The nymphs have yellow and brown striped abdomens. --Philip Careless

Most males have the pterostigma white (2)

Dets. Kyle Kittelberger

Range

e. NA to Mex. - Map (3), un common across s. TX

Habitat

Trunks and branches of broad leaf trees and conifers. (2)

Season

mostly May-Oct, but can be nearly yr round in the southern tier of states (BG data)

Food

accumulations of fungi, algae, lichen, dead bark and other materials that occur on tree trunks and large limbs

Remarks

frequently form clusters called herds, such as:

See Also

Cerastipsocus trifasciatus

- Range: se US to AZ

Internet References

Beneficials in the garden - TAMU

Tree Cattle are Harmless - Univ. Florida

Works Cited

1.	American Insects: A Handbook of the Insects of America North of Mexico Ross H. Arnett. 2000. CRC Press.

2.	Young D.W. (2011-) Psocoptera of Texas

3.	Global Biodiversity Information Facility (GBIF)

Contributed by tom murray on 15 October, 2006 - 1:39pm
Additional contributions by Hannah Nendick-Mason, Beatriz Moisset, Mike Quinn, Ted Kropiewnicki, Robert Lord Zimlich, v belov, lee_penner
Last updated 21 August, 2021 - 7:15pm

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