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 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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

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


Previous events
TaxonomyBrowse
Info
ImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Aphidoidea » Aphids (Aphididae) » Calaphidinae » Panaphidini » Panaphidina » Therioaphis » Subgenus Pterocallidium (Therioaphis Subgenus Pterocallidium) » Yellow Clover Aphid (Therioaphis trifolii)

Species Therioaphis trifolii - Yellow Clover Aphid

Classification · Explanation of Names · Identification · Food · Remarks · Internet References
Therioaphis trifolii Therioaphis trifolii Hemipteran - Therioaphis trifolii Yellow Clover Aphid - Therioaphis trifolii - female aphid - Therioaphis trifolii
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Aphidoidea
Family Aphididae (Aphids)
Subfamily Calaphidinae
Tribe Panaphidini
Subtribe Panaphidina
Genus Therioaphis
No Taxon (Subgenus Pterocallidium)
Species trifolii (Yellow Clover Aphid)
Explanation of Names
Author: Monell
Identification
Therioaphis adults have a dark band from eye to eye on the ventral side of the face. [Natalie Hernandez email]
Food
Leguminosae, Trifolium, Medicago
Remarks
Introduced from Europe, 1879
Internet References
Fact sheet
Contributed by Claude Pilon on 7 January, 2011 - 1:58pm
Additional contributions by Beatriz Moisset, KenW, Marci Hess
Last updated 24 September, 2017 - 3:58pm

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 © 2003-2025 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