An Asian species of cold-tolerating cockroach has been found in New York City, but while insect experts say it's too soon to predict its impact, they aren't too worried that it will crowd out native bugs, according to a study in the Journal of Economic Entomology. "They likely will compete with each other for space and for food," said the study's co-author Dominic Evangelista, a Rutgers University insect biologist. The researchers suspect that Periplaneta japonica, which has never before been seen in the U.S., came into the area hidden in the soil of ornamental plants imported for a new park on the West Side of Manhattan.

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