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Species Cerastipsocus venosus - Tree Cattle

Flies? - Cerastipsocus venosus Common Barklouse - Cerastipsocus venosus Unknown insect - Cerastipsocus venosus Psocid - Cerastipsocus venosus Unknown - Cerastipsocus venosus Cerastipsocus venosus Cerastipsocus venosus Horizontally-striped nymphs - 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
Tree Cattle are Harmless - Univ. Florida