. Cooperative economic insect report. Beneficial insects; Insect pests. - 101 - INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES PLUM BORER (Rhynchites cupreus L.) Economic Importance: This weevil causes damage to pome and stone fruits in many European countries and some areas of Asia. The overwintered adults feed on new growth, flowers and young fruit, but the greatest damage occurs from female oviposition punctures in young fruit and subsequent larval development. There seems to be a difference in host preference in different countries. In Germany, plums and cherries are the main hosts while
. Cooperative economic insect report. Beneficial insects; Insect pests. - 101 - INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES PLUM BORER (Rhynchites cupreus L.) Economic Importance: This weevil causes damage to pome and stone fruits in many European countries and some areas of Asia. The overwintered adults feed on new growth, flowers and young fruit, but the greatest damage occurs from female oviposition punctures in young fruit and subsequent larval development. There seems to be a difference in host preference in different countries. In Germany, plums and cherries are the main hosts while in Finland the insect is mainly a pest of apple causing the greatest injury to the terminal shoots of young trees. It is also an important pest of apple in Norway and Sweden, injuring fruit as well as the young growth. Destruction of the shoots causes retardation and malformation in tree development. Distribution: Most of Europe, USSR and Japan. Hosts: Pome and stone fruits. Also reported from Sorbus spp., hazel, birch, hawthorn and General Distribution of Rhynchites cupreus (Curculionidae, Coleoptera) No. 77 of Series. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
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