Parasitism of Hawaiian Non-Frugivorous Fruit Flies (Diptera: Tephritidae) by an Exotic Parasitoid, Eurytoma tephritidis Fullaway (Hymenoptera: Eurytomidae)

Date
2003-11
Authors
Alyokhin, Andrei V.
Messing, Russell H.
Contributor
Advisor
Department
Instructor
Depositor
Speaker
Researcher
Consultant
Interviewer
Annotator
Journal Title
Journal ISSN
Volume Title
Publisher
Hawaiian Entomological Society
Volume
Number/Issue
Starting Page
Ending Page
Alternative Title
Abstract
Eurytoma tephritidis Fullaway (Hymenoptera: Eurytomidae) is an exotic solitary larval endoparasitoid that has been recorded to parasitize gall-forming tephritids in Hawaii. We surveyed E. tephritidis parasitism of Tetreuaresta obscuriventris (Loew.), Ensina sonchi (L.), Acinia picturata (Snow), Procecidochares utilis Stone, P. alani Steyskal, Trupanea sp. nr. cratericola, and T. dubautiae (Bryan) (Diptera: Tephritidae) on four major Hawaiian islands. No wasps emerged from T. obscuriventris and E. sonchi. Among other species, percent parasitism ranged from less than 1% to over 67%, depending on fly species and sampling location. Overall, E. tephritidis showed higher affinity for gall-forming tephritids than flowerhead-feeders, although it parasitized substantial numbers of the native flower-infesting T. sp. nr. cratericola. The implications of our findings for a more accurate estimation of the risks posed by biological control programs to non-target fruit flies in Hawaii are discussed.
Description
Keywords
Eurytoma tephritidis, parasitoids, Hawaii, Tetreuaresta obscuriventris, Ensina sonchi, Acinia picturata, Procecidochares utilis, Procecidochares alani, Trupanea, introduced species, biological control agents, nontarget organisms, fruit flies, Tephritidae, parasitism, host range, indigenous species, insect surveys, risk assessment, invasive species
Citation
Alyokhin AV, Messing RH. 2003. Parasitism of Hawaiian non-frugivorous fruit flies (Diptera: Tephritidae) by an exotic parasitoid, Eurytoma tephritidis Fullaway (Hymenoptera: Eurytomidae). Proc Hawaiian Entomol Soc 36:29–37.
Extent
Format
Geographic Location
Time Period
Related To
Table of Contents
Rights
Rights Holder
Local Contexts
Email libraryada-l@lists.hawaii.edu if you need this content in ADA-compliant format.