First Report of Organophosphate-resistant Boophilus microplus (Acari: Ixodidae) within the United States
Boophilus microplus (Canestrini), collected from Starr County, Texas, were determined to be resistant to the organophosphorus acaricides coumaphos and diazinon. Initial bioassay results from wild-collected ticks produced a probit regression slope (SE) of 3.96 (0.22), which was different from that ob...
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| Veröffentlicht in: | Journal of medical entomology 2005-09, Vol.42 (5), p.912-917 |
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| creator | Miller, Robert J. Davey, Ronald B. George, John E. |
| description | Boophilus microplus (Canestrini), collected from Starr County, Texas, were determined to be resistant to the organophosphorus acaricides coumaphos and diazinon. Initial bioassay results from wild-collected ticks produced a probit regression slope (SE) of 3.96 (0.22), which was different from that obtained from a susceptible reference population 6.97 (0.38). Resistance ratios (RRs) (95% CI) indicated that the population was resistant to coumaphos 3.6 (3.4–3.8), 5.0 (4.5–5.5), and 6.5 (5.4–7.7) at the LC50,90,99, respectively. A second collection of wild ticks made 12 d after all cattle in the infested pasture were treated with coumaphos produced a slope (SE) that was not significantly different from a susceptible laboratory reference population. A second bioassay found these ticks to be resistant to diazinon, RR (95% CI) = 7.1 (6.5–7.7), 11.7 (10.3–13.3), 17.7 (14.5–21.5) at the LC50,90,99, respectively. The slope (SE) generated from the diazinon bioassay with the resistant ticks was different than that of a reference strain, 2.98 (0.12) and 6.09 (0.35), respectively. The high-dose strategy used by the Cattle Fever Tick Eradication Program was able to eradicate coumpahos-resistant B. microplus after just two treatments of coumaphos, 12 d apart. |
| doi_str_mv | 10.1603/0022-2585%282005%29042%5B0912%3AFROOBM%5D2.0.CO%3B2 |
| format | Article |
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Initial bioassay results from wild-collected ticks produced a probit regression slope (SE) of 3.96 (0.22), which was different from that obtained from a susceptible reference population 6.97 (0.38). Resistance ratios (RRs) (95% CI) indicated that the population was resistant to coumaphos 3.6 (3.4–3.8), 5.0 (4.5–5.5), and 6.5 (5.4–7.7) at the LC50,90,99, respectively. A second collection of wild ticks made 12 d after all cattle in the infested pasture were treated with coumaphos produced a slope (SE) that was not significantly different from a susceptible laboratory reference population. A second bioassay found these ticks to be resistant to diazinon, RR (95% CI) = 7.1 (6.5–7.7), 11.7 (10.3–13.3), 17.7 (14.5–21.5) at the LC50,90,99, respectively. The slope (SE) generated from the diazinon bioassay with the resistant ticks was different than that of a reference strain, 2.98 (0.12) and 6.09 (0.35), respectively. The high-dose strategy used by the Cattle Fever Tick Eradication Program was able to eradicate coumpahos-resistant B. microplus after just two treatments of coumaphos, 12 d apart.</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1603/0022-2585%282005%29042%5B0912%3AFROOBM%5D2.0.CO%3B2</identifier><identifier>PMID: 16363176</identifier><identifier>CODEN: JMENA6</identifier><language>eng</language><publisher>Lanham, MD: Entomological Society of America</publisher><subject>acaricide ; acaricide resistance ; Animals ; Arachnida ; Biological and medical sciences ; Boophilus ; Boophilus microplus ; cattle ; Cattle - parasitology ; Cattle Fever Tick Eradication Program ; cattle tick ; coumaphos ; Coumaphos - toxicity ; diazinon ; Diazinon - toxicity ; Dose-Response Relationship, Drug ; Fundamental and applied biological sciences. Psychology ; Insecticide Resistance ; Insecticides - toxicity ; Invertebrates ; Ixodidae - drug effects ; lethal dose ; Lethal Dose 50 ; Medically important nuisances and vectors, pests of stored products and materials: population survey and control ; new geographic records ; organophosphorus acaricides ; pesticide resistance ; Regression Analysis ; resistance monitoring ; Rhipicephalus ; SHORT COMMUNICATIONS ; Survival Analysis ; Texas ; tick control ; tick infestations ; Vectors. Intermediate hosts</subject><ispartof>Journal of medical entomology, 2005-09, Vol.42 (5), p.912-917</ispartof><rights>Entomological Society of America</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://bioone.org/doi/pdf/10.1603/0022-2585%282005%29042%5B0912%3AFROOBM%5D2.0.CO%3B2$$EPDF$$P50$$Gbioone$$H</linktopdf><link.rule.ids>315,781,785,26983,27929,27930,52368</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17087232$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16363176$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Miller, Robert J.</creatorcontrib><creatorcontrib>Davey, Ronald B.</creatorcontrib><creatorcontrib>George, John E.</creatorcontrib><title>First Report of Organophosphate-resistant Boophilus microplus (Acari: Ixodidae) within the United States</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>Boophilus microplus (Canestrini), collected from Starr County, Texas, were determined to be resistant to the organophosphorus acaricides coumaphos and diazinon. Initial bioassay results from wild-collected ticks produced a probit regression slope (SE) of 3.96 (0.22), which was different from that obtained from a susceptible reference population 6.97 (0.38). Resistance ratios (RRs) (95% CI) indicated that the population was resistant to coumaphos 3.6 (3.4–3.8), 5.0 (4.5–5.5), and 6.5 (5.4–7.7) at the LC50,90,99, respectively. A second collection of wild ticks made 12 d after all cattle in the infested pasture were treated with coumaphos produced a slope (SE) that was not significantly different from a susceptible laboratory reference population. A second bioassay found these ticks to be resistant to diazinon, RR (95% CI) = 7.1 (6.5–7.7), 11.7 (10.3–13.3), 17.7 (14.5–21.5) at the LC50,90,99, respectively. The slope (SE) generated from the diazinon bioassay with the resistant ticks was different than that of a reference strain, 2.98 (0.12) and 6.09 (0.35), respectively. The high-dose strategy used by the Cattle Fever Tick Eradication Program was able to eradicate coumpahos-resistant B. microplus after just two treatments of coumaphos, 12 d apart.</description><subject>acaricide</subject><subject>acaricide resistance</subject><subject>Animals</subject><subject>Arachnida</subject><subject>Biological and medical sciences</subject><subject>Boophilus</subject><subject>Boophilus microplus</subject><subject>cattle</subject><subject>Cattle - parasitology</subject><subject>Cattle Fever Tick Eradication Program</subject><subject>cattle tick</subject><subject>coumaphos</subject><subject>Coumaphos - toxicity</subject><subject>diazinon</subject><subject>Diazinon - toxicity</subject><subject>Dose-Response Relationship, Drug</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Insecticide Resistance</subject><subject>Insecticides - toxicity</subject><subject>Invertebrates</subject><subject>Ixodidae - drug effects</subject><subject>lethal dose</subject><subject>Lethal Dose 50</subject><subject>Medically important nuisances and vectors, pests of stored products and materials: population survey and control</subject><subject>new geographic records</subject><subject>organophosphorus acaricides</subject><subject>pesticide resistance</subject><subject>Regression Analysis</subject><subject>resistance monitoring</subject><subject>Rhipicephalus</subject><subject>SHORT COMMUNICATIONS</subject><subject>Survival Analysis</subject><subject>Texas</subject><subject>tick control</subject><subject>tick infestations</subject><subject>Vectors. Intermediate hosts</subject><issn>0022-2585</issn><issn>1938-2928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkdFu0zAUQC0EYt3gF8AvkdhDin0dJzY8tYXCpKGIjT5bTuwsRm0c2Z6AvychG3u6lnV0ZN-D0EdK1rQk7D0hADlwwTMQQMg0JCkg41siKWRss7-p6-23jH-CNVnv6oxt4RlaUclEDhLEc7T6bzhD5zH-JIQIWsiX6IyWrGS0Kleo37sQE76xow8J-w7X4U4Pfux9HHudbB5sdDHpIeGtn67d8T7ik2uDH-fTu02rg_uAr35744y2l_iXS70bcOotPgwuWYNv0-SJr9CLTh-jff0wL9Bh__nH7mt-XX-52m2u8wY4pFyXlWXCFpy31FTG0s6URctF1xBKSl0KyqCShIPUwnJOmTTCWNEIJpuGC2AX6M3iHe-bkzVqDO6kwx_1-OUJyB4AHVt97IIeWhefuIqICtgsertwnfZK34WJOdwCoWx6SAEgZ9P3hWic94N9UhA1B1Tz-tW8frUEVP8CqiWgegyopoCKqF2tpoDsL2zfjao</recordid><startdate>200509</startdate><enddate>200509</enddate><creator>Miller, Robert J.</creator><creator>Davey, Ronald B.</creator><creator>George, John E.</creator><general>Entomological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>200509</creationdate><title>First Report of Organophosphate-resistant Boophilus microplus (Acari: Ixodidae) within the United States</title><author>Miller, Robert J. ; Davey, Ronald B. ; George, John E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b252t-a67e38e455c1d7de1fd64c58fb0106a68132790529a8e55139d8de8b839bb5823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>acaricide</topic><topic>acaricide resistance</topic><topic>Animals</topic><topic>Arachnida</topic><topic>Biological and medical sciences</topic><topic>Boophilus</topic><topic>Boophilus microplus</topic><topic>cattle</topic><topic>Cattle - parasitology</topic><topic>Cattle Fever Tick Eradication Program</topic><topic>cattle tick</topic><topic>coumaphos</topic><topic>Coumaphos - toxicity</topic><topic>diazinon</topic><topic>Diazinon - toxicity</topic><topic>Dose-Response Relationship, Drug</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Insecticide Resistance</topic><topic>Insecticides - toxicity</topic><topic>Invertebrates</topic><topic>Ixodidae - drug effects</topic><topic>lethal dose</topic><topic>Lethal Dose 50</topic><topic>Medically important nuisances and vectors, pests of stored products and materials: population survey and control</topic><topic>new geographic records</topic><topic>organophosphorus acaricides</topic><topic>pesticide resistance</topic><topic>Regression Analysis</topic><topic>resistance monitoring</topic><topic>Rhipicephalus</topic><topic>SHORT COMMUNICATIONS</topic><topic>Survival Analysis</topic><topic>Texas</topic><topic>tick control</topic><topic>tick infestations</topic><topic>Vectors. Intermediate hosts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miller, Robert J.</creatorcontrib><creatorcontrib>Davey, Ronald B.</creatorcontrib><creatorcontrib>George, John E.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>Journal of medical entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miller, Robert J.</au><au>Davey, Ronald B.</au><au>George, John E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First Report of Organophosphate-resistant Boophilus microplus (Acari: Ixodidae) within the United States</atitle><jtitle>Journal of medical entomology</jtitle><addtitle>J Med Entomol</addtitle><date>2005-09</date><risdate>2005</risdate><volume>42</volume><issue>5</issue><spage>912</spage><epage>917</epage><pages>912-917</pages><issn>0022-2585</issn><eissn>1938-2928</eissn><coden>JMENA6</coden><abstract>Boophilus microplus (Canestrini), collected from Starr County, Texas, were determined to be resistant to the organophosphorus acaricides coumaphos and diazinon. Initial bioassay results from wild-collected ticks produced a probit regression slope (SE) of 3.96 (0.22), which was different from that obtained from a susceptible reference population 6.97 (0.38). Resistance ratios (RRs) (95% CI) indicated that the population was resistant to coumaphos 3.6 (3.4–3.8), 5.0 (4.5–5.5), and 6.5 (5.4–7.7) at the LC50,90,99, respectively. A second collection of wild ticks made 12 d after all cattle in the infested pasture were treated with coumaphos produced a slope (SE) that was not significantly different from a susceptible laboratory reference population. A second bioassay found these ticks to be resistant to diazinon, RR (95% CI) = 7.1 (6.5–7.7), 11.7 (10.3–13.3), 17.7 (14.5–21.5) at the LC50,90,99, respectively. The slope (SE) generated from the diazinon bioassay with the resistant ticks was different than that of a reference strain, 2.98 (0.12) and 6.09 (0.35), respectively. The high-dose strategy used by the Cattle Fever Tick Eradication Program was able to eradicate coumpahos-resistant B. microplus after just two treatments of coumaphos, 12 d apart.</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><pmid>16363176</pmid><doi>10.1603/0022-2585%282005%29042%5B0912%3AFROOBM%5D2.0.CO%3B2</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of medical entomology, 2005-09, Vol.42 (5), p.912-917 |
| issn | 0022-2585 1938-2928 |
| language | eng |
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| source | MEDLINE; BioOne Complete; Oxford University Press Journals All Titles (1996-Current) |
| subjects | acaricide acaricide resistance Animals Arachnida Biological and medical sciences Boophilus Boophilus microplus cattle Cattle - parasitology Cattle Fever Tick Eradication Program cattle tick coumaphos Coumaphos - toxicity diazinon Diazinon - toxicity Dose-Response Relationship, Drug Fundamental and applied biological sciences. Psychology Insecticide Resistance Insecticides - toxicity Invertebrates Ixodidae - drug effects lethal dose Lethal Dose 50 Medically important nuisances and vectors, pests of stored products and materials: population survey and control new geographic records organophosphorus acaricides pesticide resistance Regression Analysis resistance monitoring Rhipicephalus SHORT COMMUNICATIONS Survival Analysis Texas tick control tick infestations Vectors. Intermediate hosts |
| title | First Report of Organophosphate-resistant Boophilus microplus (Acari: Ixodidae) within the United States |
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