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For Insects, Spiders & Their Kin
For the United States & Canada
The Acanthosomatidae (Heteroptera) of North America
By Thomas D.B., Jr.
Pan-Pacific Entomologist 67(3): 159-170, 1991
Cite: 707962 with citation markup [cite:707962]
unavailable online, but i have a copy [courtesy Don Thomas]

I was able to a copy online [
I was able to get a copy online here (click on "View Article" on the right). I accessed it while at UC Davis so I don't know if it's available to all IP addresses.