Report on a Rare Pedipalpal Change in the Pseudoscorpion, Roncus yaginumai CURCIC, CURCIC et DIMITRIJEVIC (Pseudoscorpiones: Neobisiidae)

Abstract

The paratype female of Roncus yaginumai CURCIC, CURCIC et DIMITRIJEVIC, from Montenegro, Yugoslavia, exhibits a rare change in the pedipalpal structure, affecting the form, size, and trichobothrial pattern of the movable chelal finger on the right. This structural deviation has been described and illustrated. Probable causes of its origin and genesis are briefly discussed.