Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Two European Arachnids New to the United States
By William B. Muchmore
Entomological News 74: 208-210, 1963
Cite: 898389 with citation markup [cite:898389]
Full Text

First record of the European opilionid, Trogulus tricarinatus, in the USA. Also, a record of the European pseudoscorpion, Roncus lubricus, having been introduced to a greenhouse, but the population disappeared (apparently eradicated by the continued application of pesticides).