Climate change will exacerbate California's insect pest problems

Trumble, John T.; Butler, Casey D.

doi:10.3733/ca.v063n02p73

Cited by 71 publications

(42 citation statements)

References 25 publications

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“…Such range shifts in insect distributions have been already observed in nature as a response to global warming (Battisti et al 2005;Gutierrez et al 2009;Parmesan 2006;Walther et al 2002). For example, the stinkbug Acrosternum hilare in England and Japan has shifted its range by more than 300 km northward with a temperature increase of only 2°C (Trumble and Butler 2009). Likewise, the mountain pine beetle, a major forest pest in the USA and Canada, has extended its range northward by approximately 300 km when temperature rose by only 2°C (Logan and Powell 2001).…”

Section: Insectsmentioning

confidence: 98%

“…In addition, rising CO 2 levels will increase the carbon-nitrogen balance in crop plants and hence their structure and palatability for leaf chewing insects. Each species may respond differently to all these changes, and this will affect concentrations of constitutive and induced defensive chemicals in plants, insect feeding behavior, competition between pests, interactions among pests and natural enemies, and ultimately damage to crops (Trumble and Butler 2009). However, our current knowledge on these aspects remains largely fragmentary.…”

Section: Insectsmentioning

confidence: 99%

“…Over recent decades, there has been constant growth in the number of reports of invasive alien species reaching new areas (Trumble and Butler 2009). Invasions are primarily due to increasing anthropogenic impacts at global level, i.e., the increasing and rapid movement of people and agricultural commodities.…”

Section: Insectsmentioning

confidence: 99%

“…Indeed, farmers may be tempted to take advantage of the changing climate by planting crops earlier in the season. However, plants will then be available for insect pests earlier in the annual cycle, allowing populations to get a quicker start and potentially add additional generations during a typical growing season (Trumble and Butler 2009). It could translate to increased insect and pathogen pressure at the end of the season, resulting in higher associated yield losses.…”

Section: Weedsmentioning

confidence: 99%

“…This may lead to unexpected interactions the outcome of which, in terms of more or less damage, is hard to predict. Furthermore, invasive species may have more opportunity to become established in areas that were formerly unsuitable as a habitat due to the climatic conditions (Trumble and Butler 2009).…”

Section: Insectsmentioning

confidence: 99%

See 4 more Smart Citations

Robust cropping systems to tackle pests under climate change. A review

Lamichhane¹,

Barzman²,

Booij³

et al. 2014

Agron. Sustain. Dev.

129

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Agriculture in the twenty-first century faces the challenge of meeting food demands while satisfying sustainability goals. The challenge is further complicated by climate change which affects the distribution of crop pests (intended as insects, plants, and pathogenic agents injurious to crops) and the severity of their outbreaks. Increasing concerns over health and the environment as well as new legislation on pesticide use, particularly in the European Union, urge us to find sustainable alternatives to pesticide-based pest management. Here, we review the effect of climate change on crop protection and propose strategies to reduce the impact of future invasive as well as rapidly evolving resident populations. The major points are the following: (1) the main consequence of climate change and globalization is a heightened level of unpredictability of spatial and temporal interactions between weather, cropping systems, and pests; (2) the unpredictable adaptation of pests to a changing environment primarily creates uncertainty and projected changes do not automatically translate into doom and gloom scenarios; (3) faced with uncertainty, policy, research, and extension should prepare for worst-case scenarios following a "no regrets" approach that promotes resilience vis-à-vis pests which, at the biophysical level, entails uncovering what currently makes cropping systems resilient, while at the organizational level, the capacity to adapt needs to be recognized and strengthened; (4) more collective approaches involving extension and other stakeholders will help meet the challenge of developing more robust cropping systems; (5) farmers can take advantage of Web 2.0 and other new technologies to make the exchange of updated information quicker and easier; (6) cooperationThe views expressed by Stephen R. H. Langrell are purely his own and may not in any circumstances be regarded as stating an official position of the European Commission.

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