invasive species

Photo from Pixabay

The emerald ash borer

Emerald ash borers emerge

REGION — It’s spring, and that means insects are active again. The emerald ash borer (EAB) is now emerging from tiny holes in the ash trees to lay eggs on leaves and bark. When the eggs hatch, the larvae tunnel into the tree and eat the outermost layer of the sapwood beneath the bark.

Photo from Wikimedia Commons

This Eurasian watermilfoil is considered an invasive aquatic species in New York State. Its stems are usually three to 10 feet in length and can range from pale pink to reddish brown in color. Bright green feathery leaves are finely divided and occur in circles around the stem. Each leaf has 12 to 21 leaflet pairs. Native northern watermilfoil, which it can commonly be confused with, has five to 10 leaflet pairs.

Free webinar on aquatic invasive species

ONLINE/NY — The New York Sea Grant Watercraft Inspection educational webinar series starts January 17. The program features coastal science and aquatic invasive species (AIS) experts and will address issues associated with recreational boating and limiting the spread of  invasive species in New York’s ponds, rivers and lakes.

Photo from the PA Department of Agriculture, by Erica Smyers

Spotted Lanternfly egg masses look like this on the bark of a tree, and become caked like mud over time. The PA Department of Agriculture is asking hunters to scrape them off with knives.

PA agriculture department assigns hunters new target

REGION — Now that hunting season has officially begun, the Pennsylvania Department of Agriculture and the Penn State Extension are using the opportunity to encourage hunters to track a different prey: the Spotted Lanternfly.


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