Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


Previous events
TaxonomyBrowse
Info
ImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Tephritoidea » Fruit Flies (Tephritidae) » Trypetinae » Carpomyini » Carpomyina » Rhagoletis » Walnut Husk Fly (Rhagoletis completa)

Species Rhagoletis completa - Walnut Husk Fly

Classification · Size · Identification · Range · Food · Life Cycle · Remarks · Internet References · Works Cited
Walnut Husk Fly? - Rhagoletis completa # 12 - Rhagoletis completa # 12 - Rhagoletis completa Walnut Husk Flies - Rhagoletis completa - male - female 2416 - Rhagoletis completa - male Rhagoletis completa? - Rhagoletis completa Unknown Tephritidae - Rhagoletis completa Rhagoletis completa - Walnut Husk Fly - Rhagoletis completa - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Tephritoidea
Family Tephritidae (Fruit Flies)
Subfamily Trypetinae
Tribe Carpomyini
Subtribe Carpomyina
Genus Rhagoletis
Species completa (Walnut Husk Fly)
Size
Adult 6 mm, fully grown larva 13 mm
Identification
Yellow spot just below the areas where the wings are attached; iridescent, greenish eyes; wings with three prominent dark bands. Female larger than male and with pointy abdomen.
Range
native to NA, originated east of the Rocky Mountains, then spread elsewhere (first seen in CA in 1926, in Europe in the 1980s --widely spread since)(1)
Food
Walnut husks primarily. It can attack other plants, such as peaches.
Life Cycle
One generation a year. Overwinters as pupa. Peak emergence mid July to mid August.
Remarks
Damages walnuts, serious pest of walnut orchards
Internet References
Fact sheets by C. Pickel, H. Riedl
Works Cited
1.Alien terrestrial arthropods of Europe
Roques A., Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.
Contributed by Martin Hauser on 14 January, 2007 - 12:21am
Additional contributions by Beatriz Moisset, Chuck Entz, v belov
Last updated 20 October, 2011 - 2:23pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2023 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact