Biological Control Agent Matrix

Weed and Bioagent Tables
Bull Thistle Cirsium vulgare (Savi) Tenore
Canada Thistle Cirsium arvense (L.) Scop.
Dalmatian Toadflax Linaria dalmatica (L.) Miller
Diffuse Knapweed Centaurea diffusa Lam.
Hound's Tongue Cynoglossum officinale L.
Leafy Spurge Euphorbia esula L.
Nodding Thistle Carduus nutans L.
Plumeless Thistle Carduus acanthoides L.
Purple Loosestrife Lythrum salicaria L.
Rush Skeletonweed Chondrilla juncea L.
Russian Knapweed Acroptilon repens L.
Spotted Knapweed Centaurea maculosa Lam
St. John's Wort Hypericum perforatum L.
Sulphur Cinquefoil Potentilla recta L.
Tansy Ragwort Senecio jacobaea L.
Yellow Toadflax Linaria vulgaris L.

Table of Abbreviations
Order of arrangement	Alphabetical order / weed's common name.
Description	Pertains to adult insect unless otherwise noted.
Availability codes	P - pending release and distribution. N - Under propagation or limited field release. Not available for general distribution. G - available for general distribution.
Collection technique	Hand pick - Manually remove agent from host plant. Transfer to well-ventilated container. Clip seed head - Clip below seed head in order to leave head intact. Clip stem - Stem containing agent should be clipped below insect damage. Transfer to new site with the clipped portion of stem intact. Aspirate - Use modified vacuum aspirator. Sweep net - Use appropriate insect sweep net. Tray - Bend flower head over an elongated tray and tap stem. Transport adults to new site a.s.a.p.