11![Spotted Knapweed Seed and Urophora spp. Gall Destruction by Larinus minutus Gyllenhal (Coleoptera: Curculionidae) Combined with Urophora affinis Frauenfeld (Diptera: Tephritidae) and U. quadrifasciata (Meigen) (Diptera: Spotted Knapweed Seed and Urophora spp. Gall Destruction by Larinus minutus Gyllenhal (Coleoptera: Curculionidae) Combined with Urophora affinis Frauenfeld (Diptera: Tephritidae) and U. quadrifasciata (Meigen) (Diptera:](https://www.pdfsearch.io/img/70dbce4714f561d6905b02febe54d553.jpg) | Add to Reading ListSource URL: www.invasive.orgLanguage: English - Date: 2002-03-01 10:49:51
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12![Spotted Knapweed Spotted knapweed is a short-lived perennial or biennial plant that can grow up to four feet in height. This plant has a strong taproot as well as lateral roots. The rosettes of spotted knapweed are grayi Spotted Knapweed Spotted knapweed is a short-lived perennial or biennial plant that can grow up to four feet in height. This plant has a strong taproot as well as lateral roots. The rosettes of spotted knapweed are grayi](https://www.pdfsearch.io/img/ddcaaac5d4682f7f5b46eaba960834c4.jpg) | Add to Reading ListSource URL: ag.utah.govLanguage: English - Date: 2014-05-13 13:41:50
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13![Microsoft Word - LL-SHE Biological Weed Control.doc Microsoft Word - LL-SHE Biological Weed Control.doc](https://www.pdfsearch.io/img/4b56044eb050b25cf831fea0ef46e4cb.jpg) | Add to Reading ListSource URL: energy.govLanguage: English - Date: 2012-12-28 10:50:10
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14![NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family. NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family.](https://www.pdfsearch.io/img/980eb91b648506be2d2051c4b555f806.jpg) | Add to Reading ListSource URL: na.fs.fed.usLanguage: English - Date: 2005-01-29 10:24:48
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15![Microsoft Word - spotted knapweed for WI compressed.doc Microsoft Word - spotted knapweed for WI compressed.doc](https://www.pdfsearch.io/img/7d7656e1c8a888c5737c069641445205.jpg) | Add to Reading ListSource URL: ipcm.wisc.eduLanguage: English - Date: 2010-02-22 12:36:58
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16![NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family. NATIVE RANGE: Central Europe, central Russia, Caucasia, and western Siberia. DESCRIPTION: Spotted knapweed, Centaurea biebersteinii DC. is a biennial or short-lived perennial member of the Sunflower (Asteraceae) family.](https://www.pdfsearch.io/img/ea16a3ffa6c5a6f4c0dd510af07e2d3c.jpg) | Add to Reading ListSource URL: www.na.fs.fed.usLanguage: English - Date: 2005-01-29 10:24:48
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17![Status of Biological Control Agents Used for Managing Invasive Plants in Colorado Compiled by Whitney Cranshaw Colorado State Extension August 22, 2009 Draft Status of Biological Control Agents Used for Managing Invasive Plants in Colorado Compiled by Whitney Cranshaw Colorado State Extension August 22, 2009 Draft](https://www.pdfsearch.io/img/9d3b8a1ae9fb25e5cf2d74b54af9c54a.jpg) | Add to Reading ListSource URL: bspm.agsci.colostate.eduLanguage: English - Date: 2013-03-12 17:43:58
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18![Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we](https://www.pdfsearch.io/img/f8f158bb022f0ac22be74be1ff3d2503.jpg) | Add to Reading ListSource URL: www.okanogancounty.orgLanguage: English - Date: 2011-04-06 00:25:08
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19![A Guide to Weeds in British Columbia SPOTTED DISTRIBUTION A Guide to Weeds in British Columbia SPOTTED DISTRIBUTION](https://www.pdfsearch.io/img/00e42f7caaa6ec02b4e1cc9d10a0feb1.jpg) | Add to Reading ListSource URL: www.weedsbc.caLanguage: English - Date: 2002-02-08 12:53:16
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20![Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we Biological agents will not eradicate the weed population because they depend on the weed for their life cycle. Insect species lay their eggs on these weeds and progress through their development while feeding on these we](https://www.pdfsearch.io/img/5fdf40f947f04a29af2135c41aa6a296.jpg) | Add to Reading ListSource URL: okanogancounty.orgLanguage: English - Date: 2011-04-06 00:25:08
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