WSU CAHNRS

College of Agricultural, Human, and Natural Resource Sciences

Department of Entomology

Crab Lice

Insects &
Arthropods

Black Widow Spider
Blister Beetle
Box Elder Bug
Cat Face Spider
Cat Flea
Cereal Aphid
Cereal Leaf Beetle
Cicada
Corn Earworm
Crab Lice
Cooley Spruce Gall Adelgid
False Wire Worm
European Mantis
Housebug
Jumping Spider
Juniper Scale
Locust Borer
Minute Pirate Bug
Mosquito Diseases
Northern Scorpion
Rose Curculio
Russian Wheat Aphid
Snowball Aphid
Ten Lined June Beetle
Thrip
Western Yellow Striped Army Worm
Wheat Stem Sawfly
Wire Worm
Wooley ash aphid
Yellow Jacket Wasp
Yellow Sac Spider

 

The crab louse, Pthirus pubus (L.), is considered a filthy human parasite, which it is! Crab lice are related to Head Lice, but are more apt to be associated with lack of hygiene. Toilet seats are not the cause.

Body contact with a clean, known partner will prevent “crabs” and other nasty things. These lice are rare now days, but are associated with a certain side of Town. The same MD recommended treatments will work. Prevention is 99% of the answer on this one.

Tongue in cheek – I recently attended an Entomology Meeting in Florida and University of Florida students were selling the tee shirts in the photo. There were several seminars on crab lice at the meeting!

Department of Entomology, Washington State University, Pullman, WA, 99164-6382 USA, 509-335-5422, Contact Us
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