Submitted to: Proceedings of the Entomological Society of Washington
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 4/2/2002
Publication Date: 5/2/2003
Citation: Nickle, D.A. 2003. A checklist of commonly intercepted thrips (thysanoptera) from europe, the mediterranean, and africa at u.s. ports of entry (1983-1999). part 1. keyto genera. Proceedings of the Entomological Society of Washington. 106: 438-452
Interpretive Summary: Thrips are minute insects that commonly occur on agricultural crops, grains, and ornamental flowers. Many species are agricultural and ornamental pests, while other species have been implicated as vectors of several plant viruses. They are regularly intercepted at port quarantine facilities at the various ports of entry into the United States. Because of ftheir small size and potential for causing agricultural damage if they gai access into the United States, great care must be given to identifying these insects to species level as they are intercepted. This paper provides keys to the species most likely to be encountered in shipments from Europe, Africa, and the Mediterranean Region. It concentrates on 23 of the most commonly intercepted species, but a key to all of the genera encountered since 1983 is also included. Users of this information are likely to include USDA/APHIS/PPQ identifiers at all U.S. ports of entry and representative individuals of the florist industry.
Technical Abstract: Although there are more than 1,000 described species of thrips from Europe, the Mediterranean region, and Africa, since 1983 only 130 species have been intercepted in cargo and shipments of plants coming into the various ports of entry in the United States. Of these, only 23 species consistently made up ca. 85% of the identifiable thrips. This paper is a checklist of thrips commonly intercepted on plants coming into the U.S. from Europe, the Mediterranean region, and Africa; keys with figures are included of the 57 represented genera. It is the first of a five-part series aimed to facilitate identifications by port identifiers at U. S. Department of Agriculture, Animal and Plant Health Inspection Service (USDA, APHIS), ports of entry.