Home > Lifestyle > EnviroHealth > News 28 March 2013 Insects plentiful in hot parts of cities Higher temperatures in cities can be a key driver of insect pest outbreaks on trees in urban areas, according to research. 0 iStock Related When trees die off human health will suffer Insect bites What is global warming? Start A Health24 blog » Follow Health24 on Facebook » Test Are you envirohealth savvy? » Ask EnviroHealth Expert » Blood Lions: Bred for the Bullet movie trailer The amazing mountains on Pluto Higher temperatures in cities can be a key driver of insect pest outbreaks on trees in urban areas, according to research published in the open access journal PLOS ONE by Emily Meineke from North Carolina State University and colleagues from other institutions.The researchers found that a scale insect that exclusively feeds on oak trees was 13 times more abundant on willow oaks in the hottest parts of the city of Raleigh, North Carolina than in cooler areas of the same city, even when other factors, like natural enemies that would kill the insects, were similar in both areas. In a second experiment, they found scale insects collected from trees in hot areas had higher survival rates in hot greenhouses than in cool ones. However, insects originally from cooler urban areas remained low in number in both hot and cool greenhouses. Urban warming leads to higher pest abundanceThe researchers found no differences in the rates of reproduction of insects in any of these groups. Thus, they suggest that the differences in abundance may be a result of differences in survival rather than a higher reproductive capacity.Urbanisation of an area changes the species that dwell in it. Previous studies have analysed these effects in terms of loss of resources or changes to habitat, but this is the first research to focus on the effects of "heat islands" created in cities. Meineke explains that, "Urban warming can lead to higher insect pest abundance, a result of pest acclimation or adaptation to higher temperatures."The study concludes that since current urban warming is similar in magnitude to the higher temperatures predicted by global warming in the next fifty years, their results may indicate potential changes in pest abundance as natural forests also grow warmer. EurekAlert NEXT ON HEALTH24X Humans correctly identify sick peers from a photo 2018-01-10 12:30 More: EnviroHealthNews advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... Other news Diet and nutrition What is the Candida Diet and will it improve your health? Medical You can still save your heart if you are middle-aged and out of shape Lifestyle 3 foods you must eat if you’ve ever smoked Mental health Why some people freak out about belly buttons Medical 'Dead' man snores back to life right before his autopsy Fitness What's the deal with pain after exercise? From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Live healthier Fact or myth? » Clearing up the confusion around coconut oil Coconut – the 'fruit of life' Can coconut oil really help you lose weight? Experts dish on the high-cal weight-loss tactic. Sobering perks! » 5 tips to avoiding a hangover Can you really be allergic to alcohol? Is giving up booze for a month actually worth it? Many people commit to "Dry January" – but does it do your body any good?