Distribution of Ragweed Beetle, Ophraella communa in Hyogo Prefecture ― Investigation 1998-2001 ―

Abstract

Geographic distributio ndata are given for an invading insect ,Ophraella communa (Coleoptera: Chrysomelidae) now rapidly spreading in Japan. One hundred and fifty records from 77 sites are compiled in and around Hyogo Prefecture from summer of 1999 to spring of 2001. It is shown that distribution of the beetle expanded in all over the Prefecture by the end of 2000, after the first discovery in the area in June 1998.