INTRODUCED BIOLOGICAL CONTROL AGENTS OF WEEDS IN MONTANA

Weed Species

Common Name

Family

Biological Control Agents
Acroptilon repens
(=Centaurea repens)		 Russian knapweed Asteraceae, sunflower family Subanguina picridis - nematode
Carduus nutans Musk thistle, nodding thistle Asteraceae, sunflower family Cheilosia corydon
Rhinocyllus conicus
Trichosirocalus horridus
Centaurea biebersteinii
(=Centaurea maculosa)
Centaurea diffusa 		Spotted and diffuse knapweeds Asteraceae, sunflower family Agapeta zoegana
Bangasternus fausti
Chaetorellia acrolophi
Cyphocleonus achates
Larinus minutus
Larinus obtusus
Metzneria paucipunctella
Pelochrista medullana
Pterolonche inspersa
Sphenoptera jugoslavica
Terellia virens
Urophora affinis
Urophora quadrifasciata
Cirsium arvense Canada thistle, creeping thistle Asteraceae, sunflower family Ceutorhynchus litura
Larinus planus
Urophora cardui
Cirsium vulgare Bull thistle Asteraceae, sunflower family Urophora stylata
Conium maculatum Poison hemlock Apiaceae, parsley family Agonopterix alstroemeriana
Convolvulus arvensis Field bindweed Convolvulaceae, morningglory family Tyta luctuosa
Aceria malherbe
Cynoglossum officinale Houndstongue Boraginaceae, borage family Ceutorhynchus (Mogulones) cruciger - in Canada
Longitarsus quadriguttatus - in Canada
Euphorbia esula Leafy spurge Euphorbiaceae, spurge family Aphthona abdominalis
Aphthona cyparissiae
Aphthona czwalinae
Aphthona flava
Aphthona lacertosa
Aphthona nigriscutis
Chamaesphecia empiformis
Chamaesphecia hungarica
Chamaesphecia tenthrediniformis
Dasineura sp. nr. capsulae
Hyles euphorbiae
Oberea erythrocephala
Spurgia capitigena
Spurgia esulae
Hypericum perforatum St. Johnswort Clusiaceae, Hypericum family Agrilus hyperici
Aplocera plagiata
Chrysolina hyperici
Chrysolina quadrigemina
Zeuxidiplosis giardi
Linaria dalmatica and

Linaria vulgaris

 Dalmatian toadflax and yellow toadflax Scrophulariaceae, figwort family Bryachypterolus pulicarius
Calophasia lunula
Gymnetron antirrhini
Gymnetron linariae - in Canada
Lythrum salicaria Purple loosestrife Lythraceae, loosestrife family Galerucella calmariensis
Galerucella pusilla
Hylobius transversovittatus
Nanophyes brevis
Nanophyes marmoratus
Verbascum thapsus common mullein Scrophulariaceae Gymnetron tetrum