10.5061/DRYAD.49B6J7T
Thompson, Lily M.
University of Richmond
Faske, Trevor M.
Virginia Commonwealth University
Banahene, Nana
University of Richmond
Grim, Dominique
Virginia Commonwealth University
Agosta, Salvatore J.
Virginia Commonwealth University
Parry, Dylan
Queens College, CUNY
State University of New York
Tobin, Patrick C.
University of Washington
Johnson, Derek M.
Virginia Commonwealth University
Grayson, Kristine L.
University of Richmond
Data from: Variation in growth and developmental responses to supraoptimal
temperatures near latitudinal range limits of gypsy moth Lymantria dispar
(L.), an expanding invasive species
Dryad
dataset
2018
heat tolerance
forest pest
invasion front
latitudinal gradient
Lymantria dispar
warming climate
2018-06-29T13:41:34Z
2018-06-29T13:41:34Z
en
https://doi.org/10.1111/phen.12190
73157 bytes
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CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
Variation in thermal performance within and between populations provides
the potential for adaptive responses to increasing temperatures associated
with climate change. Organisms experiencing temperatures above their
optimum on a thermal performance curve exhibit rapid declines in function
and these supraoptimal temperatures can be a critical physiological
component of range limits. The gypsy moth, Lymantria dispar (L.)
(Lepidoptera: Erebidae), is one of the best-documented biological
invasions and factors driving its spatial spread are of significant
ecological and economic interest. The present study examines gypsy moth
sourced from different latitudes across its North American range for
sensitivity to high temperature in constant temperature growth chamber
experiments. Supraoptimal temperatures result in higher mortality in
northern populations compared with populations from the southern range
extent (West Virginia and coastal plain of Virginia, U.S.A.). Sublethal
effects of high temperature on traits associated with fitness, such as
smaller pupal mass, are apparent in northern and West Virginia
populations. Overall, the results indicate that populations near the
southern limits of the range are less sensitive to high temperatures than
northern populations from the established range. However, southern
populations are lower performing overall, based on pupal mass and
development time, relative to northern populations. This suggests that
there may be a trade-off associated with decreased heat sensitivity in
gypsy moth. Understanding how species adapt to thermal limits and possible
fitness trade-offs of heat tolerance represents an important step toward
predicting climatically driven changes in species ranges, which is a
particularly critical consideration in conservation and invasion ecology.
Latitudinal Range DataData collected in 2014 for the latitudinal range
portion of the manuscript. Details can be found in the accompanying README
file.Dryad Latitudinal Range Data.csvSouthern Range DataData collected in
2015 for the southern range portion of the manuscript. Details can be
found in the accompanying README file.Dryad Southern Range
Data.csvSouthern Range Survival DataSummary of survival data by cup for
the southern range portion of the manuscript. Details can be found in the
accompanying README file.Dryad Southern Range Survival Data.csvLatitudinal
Range AnalysisR script for analysis of Latitudinal Range DataDryad
Latitudinal Range Analysis.RSouthern Range AnalysisR script for analysis
of Southern Range Data and Southern Range Survival DataDryad Southern
Range Analysis.R
Eastern North America