Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Recent collecting reveals new state records and geographic extremes in the distribution of the walnut twig beetle, Pityophthorus juglandis Blackman (Coleoptera: Scolytidae), in the United States.

Abstract

This paper describes the geographical distribution of P. juglandis in the USA, and presents new records of this pest on various Juglans spp. for Arizona, California, Idaho, Nevada, New Mexico, Oregon, Pennsylvania and Virginia.