New York Today: An Afternoon at the City Pool

Italian arum. This brightly coloured decorative plant has been noticed in northern Manhattan parks, together with Inwood Hill and Fort Tyron, mentioned Kristy King, the director of pure areas restoration and administration at the Parks Department. “It’s really pretty, but it’s totally invasive and highly noxious. If people touch it, it cases a horrible rash.” Eating it, after all, is out of the query. Ms. King suspects it got here from a neighboring backyard.

Stinging nettle. This European and Asian transplant is usually used as an herb or in meals, “but while it looks innocuous, if you touch it, it’s really painful,” Ms. King mentioned. It dies yearly throughout the colder months, nevertheless it roars again in the summer season. It has taken over massive areas of the Bronx River hall, Ms. King mentioned.

Asian tiger mosquito. If you’re bitten throughout the day in the metropolis, there’s a great probability it’s an Asian tiger mosquito. These bloodsuckers are far more aggressive than our native species and in addition feed on folks throughout the day, as a substitute of simply at nightfall or daybreak. They are thought to have arrived in the United States in 1985 in a shipment of used tires from Japan. [Here are some tips for mosquito season.]

Emerald ash borer. This inexperienced beetle could look fairly fabulous in its glittery exoskeleton, nevertheless it feeds on the tissue just under the tree bark and might take down an ash tree inside two to 4 years, mentioned Greg Elliffe, the district supervisor of The Care of Trees, a Davey firm. They’ve been seen in the Bronx and farther north, and we just lately noticed a couple of bushes they killed in Woodlawn Cemetery.

If you head into the nice outside this weekend, right here are a few tips to stop the unfold of those invasive species.

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