Image Number: 5358612

Photographer:
Descriptor:
Damage
Description:
Seedhead of diffuse knapweed (Centaurea diffusa), with a gall caused by the larva of the gall fly (Urophora sp.), a biological control agent.
Image type:
Laboratory

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Image location:
United States

Subject

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Diptera
Suborder: Brachycera
Infraorder: Acalyptratae
Superfamily: Tephritoidea
Family: Tephritidae
Subfamily: Tephritinae
Tribe: Myopitini
Genus: Urophora
Subject: Urophora spp. Robineau-Desvoidy 1830

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Centaurea
Subject: Centaurea diffusa Lam.
Node Affiliation:
Image uploaded:
Friday, January 18, 2008
Image last updated:
Tuesday, April 15, 2008