Other Free Encyclopedias » Animal Life Resource » Insects and Spiders » Barklice Psocids and Book Lice: Psocoptera - Physical Characteristics, Behavior And Reproduction, Book Louse (liposcelis Bostrychophila): Species Accounts - GEOGRAPHIC RANGE, HABITAT, DIET, PSOCIDS AND PEOPLE, CONSERVATION STATUS

Barklice Psocids and Book Lice: Psocoptera - Book Louse (liposcelis Bostrychophila): Species Accounts

october stored accessed foods

Physical characteristics: Book lice are small, about 0.04 inches (1 millimeter) in length. They are wingless, somewhat flattened, and are pale brown in color. Each compound eye is made up of seven lenses.


Geographic range: They are found on all continents.


Habitat: Book lice are commonly found in homes and businesses where foods are stored. They also occur in the wild in the nests of birds and other animals.


Diet: They eat funguses and other bits of plant and animal materials.


Behavior and reproduction: Different populations vary in size, color, egg production, and tolerance to insecticides.

Reproduction is by parthenogenesis only. Eggs are laid singly or in small batches and covered with a powdery dust. The larvae molt four times before reaching adulthood.

Book lice are considered a nuisance when they infest stored foods and libraries. Their presence in the home may also set off allergy and asthma attacks. (Illustration by Barbara Duperron. Reproduced by permission.)

Book lice and people: Book lice are considered a nuisance when they infest stored foods and libraries. Their presence in the home may also set off allergy and asthma attacks.

Conservation status: This species is not endangered or threatened. ∎

FOR MORE INFORMATION

Books:

Mockford, E. L. "North American Psocoptera." In Flora & Fauna Handbook, No. 10. Gainesville, FL: Sandhill Crane Press, 1993.

Tavolacci, J., editor. Insects and Spiders of the World. Volume 2: Beetle-Carpet Beetle. New York: Marshall Cavendish, 2003.

Web sites:

Psocids as Pests. http://www.kcl.ac.uk/ip/bryanturner/other/indexpsocids.html (accessed on October 5, 2004).

"Psocoptera. Book lice." Ecowatch. http://www.ento.csiro.au/Ecowatch/Insects_Invertebrates/psocoptera.htm (accessed on October 5, 2004)

Psocoptera. Psocids, barklice, booklice. http://www.cals.ncsu.edu/course/ent425/compendium/psocop1.html (accessed on October 5, 2004).

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over 10 years ago


I have about 30.000 very well kept books in my house and have lately discovered minuscule white or dark insects that jump from place to place on the wooden part of my bed, just behind my head, when I read-rest on my bed. They some times jump on my face.

Other times, while I walk around my house, especially in smaller spaces, I sometimes have the sensation of having a hair on my face, I carefully try to get the hair away and there is no hair. Anf for this reason I have begun to wonder if we have some sort of "invasion" of psocids in our three story "library house".

I have noticed that my husband has begun to have sneezing crisis and might sneeze seventeen times in a short spam of time. I sometimes have a dry nose.

I have been intriged by the presence of these minuscule guests in the last months/years.

Are our new cohabitating partners psocids? If so, what is the effective way to neutralize/destroy them.

Thank you very much for your very kind attention and for any possible help you can give us.