The Biology, Ecology, and Management of the Hazelnut-Feeding Weevils (Curculio spp.) (Coleoptera: Curculionidae) of the World

Hailey N. Shanovich, Brian H. Aukema

Research output: Contribution to journalArticlepeer-review

Abstract

Certain species of acorn- and nut-feeding weevils, Curculio spp. (Coleoptera: Curculionidae), have become significant insect pests of cultivated hazelnuts (Corylus spp.) (Fagales: Betulaceae) worldwide. The significance of weevils that feed on and injure hazelnuts is increasing as countries such as the United States and China continue to develop hybrids of hazel plants to increase their hazelnut production. This review focuses on the ecology, impact, management, and identification of the four known species of hazelnut-injuring weevils throughout the world: Curculio dieckmanni (Faust), Curculio nucum L., Curculio obtusus Gibson (the hazelnut weevil), and Curculio occidentis (Casey) (the filbert weevil).

Original languageEnglish (US)
Article number16
JournalJournal of Integrated Pest Management
Volume13
Issue number1
DOIs
StatePublished - 2022

Bibliographical note

Funding Information:
We thank the director and curator of the University of Minnesota Insect Collection, Drs. Ralph Holzenthal and Robin Thompson, for help with finding taxonomic keys and ranges for Curculio spp. We also thank the Symbiota Collections of Arthropods Network (SCAN; https://scan-bugs.org/), the Biological Records Centre (Weevil and Bark Beetle Recording Scheme accessed through the National Biodiversity Network trust atlas, https://nbnatlas.org/), the Kent and Medway Biological Records Centre (accessed through the National Biodiversity Network trust atlas, https://nbnatlas.org/), and iNaturalist (www.inaturalist.org) for open access to their datasets of species observations. This work was supported in part by funds from United States Department of Agriculture-Specialty Crop Research Initiative Grant 2019-51181-30025.

Publisher Copyright:
© 2022 The Author(s).

Keywords

  • curculio dieckmanni
  • curculio nucum
  • curculio obtusus
  • curculio occidentis
  • hazelnut

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