Integrated Weed Control Project

Biological Control Agents - By Weed

Search By Insect

Select a biological control agent arranged alphabetically by target weed:

bull thistlebull thistle (Cirsium vulgare)

Urophora stylata

 

 

 

 

Canada thistleCanada thistle (Cirsium arvense)

Urophora cardui
Larinus planus*
Rhinocyllus conicus*
Cassida rubiginosa*

 

Dalmatian toadflaxDalmatian toadflax (Linaria genistifolia ssp. dalmatica)

Mecinus janthiniformis

 



diffuse knapweeddiffuse knapweed (Centaurea diffusa)

Agapeta zoegana
Bangasternus fausti
Cyphocleonus achates
Larinus minutus
Sphenoptera jugoslavica

field bindweedfield bindweed (Convolvulus arvensis)

Aceria malherbae

 

image: Steve Dewey, Utah State University, bugwood.org, http://www.ipmimages.org/images/768x512/1459067.jpg

 

houndstonguehoundstongue (Cynoglossum officinale)

Mogulones crucifer (formerly M. cruciger)*

 

image: Mary Ellen (Mel) Harte, bugwood.org , http://www.ipmimages.org/images/768x512/1354013.jpg

 

leafy spurgeleafy spurge (Euphorbia esula)

Aphthona spp.
Oberea erythrocephala
Spurgia esulae
image: Richard Old, XID Services Inc., bugwood.org (ipmimages.org), http://www.ipmimages.org/images/768x512/5234094.jpg

meadow knapweedmeadow knapweed (Centaurea pratensis)

Larinus obtusus

 

 

 

 

mediterraneansageMediterranean sage (Salvia aethiopis)

Phrydiuchus tau

 

image: L.L. Berry, Bugwood.org http://www.ipmimages.org/images/768x512/5358591.jpg


poison hemlockpoison hemlock (Conium maculatum)

Agonopterix alstromeriana*

 

image: Richard Old, XID Services, Inc., bugwood.org, http://www.ipmimages.org/images/768x512/5231035.jpg

 

puncturevinepuncturevine (Tribulus terrestris)

Microlarinus lareynii
Microlarinus lypriformis

image: Phil Westra, Colorado State University, Bugwood.org http://www.ipmimages.org/images/768x512/5362847.jpg

 

purple loosestrifepurple loosestrife (Lythrum salicaria)

Galerucella spp.
Hylobius transversovittatus
Nanophyes marmoratus


 

rush skeletonweedrush skeletonweed (Chondrilla juncea)

Bradyrrhoa gilveolella
Cystiphora schmidti
Eriophyes chondrillae
Puccinia chondrillina

image: Steve Dewey, Utah State University, bugwood.org (ipmimages.org), http://www.ipmimages.org/images/768x512/1459575.jpg

saltcedarsaltcedar (Tamarix spp.)

Diorhabda elongata

 

image: Joseph M. DiTomaso, University of California - Davis, bugwood.org, http://www.ipmimages.org/images/768x512/5387650.jpg

 

Scotch broomScotch broom (Cytisus scoparius)

Exapion fuscirostre
Bruchidius villosus

 

 

 

spotted knapweedspotted knapweed (Centaurea biebersteinii)

Agapeta zoegana
Chaetorellia acrolophi

Terellia virens
Cyphocleonus achates
Larinus minutus
Larinus obtusus
Urophora affinis
Urophora quadrifasciata

 

St. JohnswortSt. Johnswort (Hypericum perforatum)

Chrysolina spp.
Aplocera plagiata
Agrilus hyperici

image: Richard Old, XID Services Inc., bugwood.org (ipmimages.org), http://www.ipmimages.org/images/768x512/5236100.jpg

tansy ragworttansy ragwort (Senecio jacobaea)

Longitarsus jacobaeae
Tyria jacobaeae*
Botanophila seneciella

 

 

yellow starthistleyellow starthistle (Centaurea solsititialis)

Eustenopus villosus
Larinus curtus
Bangasternus orientalis
Chaetorellia australis
Puccinia jaceae
var. solstitialis
Urophora sirunaseva

 

yellow toadflaxyellow toadflax (Linaria vulgare)

Brachypterolus pulcarius

Mecinus janthinus
Rhinusa antirrhini (
formerly Gymnetron)

 

image: L.L. Berry, Bugwood.org, http://www.ipmimages.org/images/768x512/5358646.jpg

 

all weed thumbnail images by IWCP staff unless otherwise noted.

* listed for information only. These insects are NOT distributed by IWCP.

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IWCP , WSU Extension, 2606 W Pioneer, Puyallup WA 98371, 253-445-4657, Contact Us