Genetically engineered corn and cotton that produce insecticidal toxins derived from the
bacterium Bacillus thuringiensis (Bt) have been used to manage insect pests in the United …

It is increasingly clear that pest species vary widely in their propensities to develop
insecticide resistance. This review uses a comparative approach to analyze the key pest …

Hybridization between invasive and native species has raised global concern, given the
dramatic increase in species range shifts and pest outbreaks due to anthropogenic …

The recent introduction and spread of Helicoverpa armigera throughout South America
highlight the invasiveness and adaptability of moths in the Helicoverpa genus. Long-range …

Insect crop pests threaten global food security. This threat is amplified through the spread of
nonnative species and through adaptation of native pests to control measures. Adaptations …

As part of an insect resistance management plan to preserve Bt transgenic technology,
annual monitoring of target pests is mandated to detect susceptibility changes to Bt toxins …

Replacing synthetic insecticides with transgenic crops for pest management has been
economically and environmentally beneficial, but these benefits erode as pests evolve …

Background Invasion of organisms into new ecosystems is increasingly common, due to the
global trade in commodities. One of the most complex post-invasion scenarios occurs when …

Abstract Canadian and United States (US) insect resistance management (IRM) programs
for lepidopteran pests in Bacillus thuriengiensis (Bt)-expressing crops are optimally …

BACKGROUND Pesticide resistance is a growing issue worldwide, and susceptibility of pest
populations should be monitored in migratory intersection regions for successful resistance …