Data from: Release and establishment of the weevil Mecinus janthiniformis for biological control of Dalmatian toadflax in southern California
Principal Investigator(s): View help for Principal Investigator(s) US Department of Agriculture; National Agricultural Library
Version: View help for Version V1
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Project Citation:
US Department of Agriculture, and National Agricultural Library. Data from: Release and establishment of the weevil Mecinus janthiniformis for biological control of Dalmatian toadflax in southern California. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2026-06-27. https://doi.org/10.3886/E250464V1
Project Description
Project Title:
View help for Project Title
Data from: Release and establishment of the weevil Mecinus janthiniformis for biological control of Dalmatian toadflax in southern California
Summary:
View help for Summary
We monitored populations of the stem weevil, Mecinus janthiniformis, the invasive alien weed Dalmatian toadflax (Linaria dalmatica) and other vegetation to document the impact of using M. janthiniformis as a biological control agent of L. dalmatica. Weevils were released in 2008 and again in 2014 after a wild fire. The results document increases and spread of weevil populations, decrease in Dalmatian toadflax and changes in cover of some vegetation classes.
Resources in this dataset:
Resource Title: Consolidated data dictionary. File Name: consolidated_HV_meta.csvResource Description: Description of variables in Condensed_HV data fileResource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data dictionary.
File Name: consolidated_HV_meta.csv
Resource Description: Description of variables in Condensed_HV data file
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data. File Name: consolidated_HV.csvResource Description: Condensed data for each site by year for plant size, weevil density, vegetation cover and meteorological data, 2008-2019.Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data.
File Name: consolidated_HV.csv
Resource Description: Condensed data for each site by year for plant size, weevil density, vegetation cover and meteorological data, 2008-2019.
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Cover_2008 data dictionary. File Name: cover_2008_HV_meta.csvResource Description: description of variables in the file cover_2008_HVResource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Cover_2008 data dictionary.
File Name: cover_2008_HV_meta.csv
Resource Description: description of variables in the file cover_2008_HV
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2008. File Name: cover_2008_HV.csvResource Description: vegetation cover 2008-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2008.
File Name: cover_2008_HV.csv
Resource Description: vegetation cover 2008-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2013 data dictionary. File Name: cover_2013_HV_meta.csvResource Description: description of variables in the file cover_2013_HV, which contains vegetation cover 2013-2019
Resource Title: vegetation cover 2013 data dictionary.
File Name: cover_2013_HV_meta.csv
Resource Description: description of variables in the file cover_2013_HV, which contains vegetation cover 2013-2019
Resource Title: vegetation cover 2013. File Name: cover_2013_HV.csvResource Description: vegetation cover 2013-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2013.
File Name: cover_2013_HV.csv
Resource Description: vegetation cover 2013-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009 data dictionary. File Name: dissections_2009_HV_meta.csvResource Description: Description of variables in the file dissections_2009_HV, containing dissections of toadflax stems 2009-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009 data dictionary.
File Name: dissections_2009_HV_meta.csv
Resource Description: Description of variables in the file dissections_2009_HV, containing dissections of toadflax stems 2009-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009-2011. File Name: dissections_2009_HV.csvResource Description: Data from dissection of toadflax stems 2009-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009-2011.
File Name: dissections_2009_HV.csv
Resource Description: Data from dissection of toadflax stems 2009-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2012 data dictionary. File Name: dissections_2012_HV_meta.csvResource Description: description of variables in the file dissections_2012_HV, containing data from dissections of toadflax stems 2012-2019
Resource Title: dissections 2012 data dictionary.
File Name: dissections_2012_HV_meta.csv
Resource Description: description of variables in the file dissections_2012_HV, containing data from dissections of toadflax stems 2012-2019
Resource Title: dissections 2012-2019. File Name: dissections_2012_HV.csvResource Description: data from dissection of toadflax stems 2012-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2012-2019.
File Name: dissections_2012_HV.csv
Resource Description: data from dissection of toadflax stems 2012-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts data dictionary. File Name: stem_counts_HV_meta.csvResource Description: description of variables in the file stem_counts_HV, which contains data on number of toadflax stems in 25 x 50 cm quadrats, 2008-2013Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts data dictionary.
File Name: stem_counts_HV_meta.csv
Resource Description: description of variables in the file stem_counts_HV, which contains data on number of toadflax stems in 25 x 50 cm quadrats, 2008-2013
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts. File Name: stem_counts_HV.csvResource Description: Number of toadflax stems in 25 x 50 cm quadrats, 2008-2013Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts.
File Name: stem_counts_HV.csv
Resource Description: Number of toadflax stems in 25 x 50 cm quadrats, 2008-2013
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height data dictionary. File Name: stem_height_HV_meta.csvResource Description: description of variables in the file stem_height_HV.csv, which contains data on height of live Linaria dalmatica stems, 2008-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height data dictionary.
File Name: stem_height_HV_meta.csv
Resource Description: description of variables in the file stem_height_HV.csv, which contains data on height of live Linaria dalmatica stems, 2008-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height. File Name: stem_height_HV.csvResource Description: height of live stems of Linaria dalmatica, 2008-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height.
File Name: stem_height_HV.csv
Resource Description: height of live stems of Linaria dalmatica, 2008-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resources in this dataset:
Resource Title: Consolidated data dictionary. File Name: consolidated_HV_meta.csvResource Description: Description of variables in Condensed_HV data fileResource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data dictionary.
File Name: consolidated_HV_meta.csv
Resource Description: Description of variables in Condensed_HV data file
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data. File Name: consolidated_HV.csvResource Description: Condensed data for each site by year for plant size, weevil density, vegetation cover and meteorological data, 2008-2019.Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Consolidated data.
File Name: consolidated_HV.csv
Resource Description: Condensed data for each site by year for plant size, weevil density, vegetation cover and meteorological data, 2008-2019.
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Cover_2008 data dictionary. File Name: cover_2008_HV_meta.csvResource Description: description of variables in the file cover_2008_HVResource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: Cover_2008 data dictionary.
File Name: cover_2008_HV_meta.csv
Resource Description: description of variables in the file cover_2008_HV
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2008. File Name: cover_2008_HV.csvResource Description: vegetation cover 2008-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2008.
File Name: cover_2008_HV.csv
Resource Description: vegetation cover 2008-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2013 data dictionary. File Name: cover_2013_HV_meta.csvResource Description: description of variables in the file cover_2013_HV, which contains vegetation cover 2013-2019
Resource Title: vegetation cover 2013 data dictionary.
File Name: cover_2013_HV_meta.csv
Resource Description: description of variables in the file cover_2013_HV, which contains vegetation cover 2013-2019
Resource Title: vegetation cover 2013. File Name: cover_2013_HV.csvResource Description: vegetation cover 2013-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: vegetation cover 2013.
File Name: cover_2013_HV.csv
Resource Description: vegetation cover 2013-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009 data dictionary. File Name: dissections_2009_HV_meta.csvResource Description: Description of variables in the file dissections_2009_HV, containing dissections of toadflax stems 2009-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009 data dictionary.
File Name: dissections_2009_HV_meta.csv
Resource Description: Description of variables in the file dissections_2009_HV, containing dissections of toadflax stems 2009-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009-2011. File Name: dissections_2009_HV.csvResource Description: Data from dissection of toadflax stems 2009-2011Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2009-2011.
File Name: dissections_2009_HV.csv
Resource Description: Data from dissection of toadflax stems 2009-2011
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2012 data dictionary. File Name: dissections_2012_HV_meta.csvResource Description: description of variables in the file dissections_2012_HV, containing data from dissections of toadflax stems 2012-2019
Resource Title: dissections 2012 data dictionary.
File Name: dissections_2012_HV_meta.csv
Resource Description: description of variables in the file dissections_2012_HV, containing data from dissections of toadflax stems 2012-2019
Resource Title: dissections 2012-2019. File Name: dissections_2012_HV.csvResource Description: data from dissection of toadflax stems 2012-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: dissections 2012-2019.
File Name: dissections_2012_HV.csv
Resource Description: data from dissection of toadflax stems 2012-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts data dictionary. File Name: stem_counts_HV_meta.csvResource Description: description of variables in the file stem_counts_HV, which contains data on number of toadflax stems in 25 x 50 cm quadrats, 2008-2013Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts data dictionary.
File Name: stem_counts_HV_meta.csv
Resource Description: description of variables in the file stem_counts_HV, which contains data on number of toadflax stems in 25 x 50 cm quadrats, 2008-2013
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts. File Name: stem_counts_HV.csvResource Description: Number of toadflax stems in 25 x 50 cm quadrats, 2008-2013Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_counts.
File Name: stem_counts_HV.csv
Resource Description: Number of toadflax stems in 25 x 50 cm quadrats, 2008-2013
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height data dictionary. File Name: stem_height_HV_meta.csvResource Description: description of variables in the file stem_height_HV.csv, which contains data on height of live Linaria dalmatica stems, 2008-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height data dictionary.
File Name: stem_height_HV_meta.csv
Resource Description: description of variables in the file stem_height_HV.csv, which contains data on height of live Linaria dalmatica stems, 2008-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height. File Name: stem_height_HV.csvResource Description: height of live stems of Linaria dalmatica, 2008-2019Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Resource Title: stem_height.
File Name: stem_height_HV.csv
Resource Description: height of live stems of Linaria dalmatica, 2008-2019
Resource Software Recommended: Microsoft Excel,url: http://www.microsoft.com
Original Distribution URL:
View help for Original Distribution URL
https://agdatacommons.nal.usda.gov/articles/dataset/Data_from_Release_and_establishment_of_the_weevil_Mecinus_janthiniformis_for_biological_control_of_Dalmatian_toadflax_in_southern_California/24666120
Scope of Project
Subject Terms:
View help for Subject Terms
Mecinus janthiniformis;
Dalmatian toadflax;
Linaria dalmatica;
biological control;
invasive alien plant;
NP304;
data.gov;
ARS
Geographic Coverage:
View help for Geographic Coverage
California
Time Period(s):
View help for Time Period(s)
5/19/2008 – 5/8/2019
Collection Notes:
View help for Collection Notes
DOI: 10.15482/USDA.ADC/1522564
Citation: Smith, Lincoln (2021). Data from: Release and establishment of the weevil Mecinus janthiniformis for biological control of Dalmatian toadflax in southern California. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1522564 (Downloaded 2026-06-26)
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