Psocoptera
Booklice and Barklice

Source Material

Author: Encyclopedia of Life

Document: Psocoptera - Encyclopedia of Life

Date Published: 2024

Psocoptera are a small order of insects commonly known as booklice and barklice. They are minute, soft-bodied insects that typically feed on molds, fungi, and organic detritus. Psocoptera are neither true lice nor parasitic; instead, they play important roles as decomposers in ecosystems.
  • Order: Psocoptera
  • Common names: Booklice (indoor species), Barklice (outdoor species)
  • Small, soft-bodied insects
  • Feed on mold, fungi, starches, and organic matter
  • Non-parasitic decomposers
No
Decomposers

Source Material

Author: Tree of Life Web Project

Document: Psocoptera - Tree of Life Web Project

Date Published: 2023

Non-parasitic

No
Mold, fungi, and starches

Source Material

Author: University of Florida Entomology

Document: Non-parasitic nature of Psocoptera

Date Published: 2024

Psocoptera are non-parasitic insects that feed primarily on mold, fungi, algae, and organic debris. They are important detritivores, helping to break down and recycle organic material in the environments they inhabit.
  • Non-parasitic
  • Feed on mold, fungi, algae, starches, and organic detritus
  • Important detritivores in ecosystems
Non-parasitic Psocoptera feed on mold, fungal spores, and starch.
Common habitats include damp indoor areas, under bark, and leaf litter.

Paper and Mold Consumption

Because they feed on mold and starch associated with the paper in old books and stored materials

Source Material

Author: University of Kentucky Entomology

Document: Booklice: Psocoptera

Date Published: 2023

They consume mold, starches, and adhesives in books and stored materials.
Psocoptera help decompose mold and organic material on tree bark and other surfaces
Psocoptera consume mold, mildew, fungal spores, and microscopic organic matter. Their ability to digest these materials allows them to thrive in environments that might be inhospitable to other insects, such as old books or damp walls.
  • Feed on mold, mildew, fungal spores, and starches
  • Can digest microscopic organic matter
  • Thrive in damp, moldy environments (both indoors and outdoors)

Habitat Preferences

Psocoptera commonly inhabit tree bark, leaf litter, old books, and stored food areas.
Psocoptera prefer environments with adequate moisture to support the growth of mold and fungi

Source Material

Author: Royal Entomological Society

Document: Psocoptera (Booklice and Barklice)

Date Published: 2024

Psocoptera prefer warm, humid environments where mold and fungi can grow. Outdoors, they are often found on tree bark, leaf surfaces, and in detritus. Indoors, they thrive in damp areas such as basements, kitchens, and around stored food.
  • Prefer warm, humid conditions
  • Outdoor habitats: tree bark, leaves, leaf litter
  • Indoor habitats: damp areas, basements, behind wallpaper, stored food
Psocoptera are small, soft-bodied insects that feed on mold and detritus; some are called booklice.
Their diet mainly consists of mold, fungi, and organic detritus.
They are found under bark, in leaf litter, old books, and damp household areas.
Indoor Psocoptera can damage stored products and books by feeding on molds and starches.

Conclusion

Psocoptera are fascinating, non-parasitic insects that occupy ecological niches as decomposers, feeding on materials that many other insects cannot digest. Their presence in both natural and human environments underscores their adaptability and importance.
  • Psocoptera are non-parasitic and feed on mold, fungi, and organic detritus.
  • They include species known as booklice and barklice, reflecting their typical habitats.
  • Their digestive capabilities make them key players in nutrient cycling in diverse ecosystems.
Yes, Psocoptera are beneficial for their role in decomposition.
Yes, Psocoptera can damage household items containing starch or glue.
Yes, due to their consumption of mold and starch in book materials.