Hemlock-killing insect detected in Northwest Michigan County


HONOR, Michigan (AP) – A small insect that can kill hemlock trees by feeding on their sap has been detected at Sleeping Bear Dunes National Lakeshore in northwest Michigan.

The Michigan Department of Agriculture and Rural Development said surveyors found round, white ovisacs characteristic of the hemlock woolly aphid on a tree at the Platte River campground in honor. This popular campground is located in northern Benzie County, southwest of Traverse City.

Feeding insects weakens the needles, shoots and branches of trees. Over time, the growth of trees slows down and they take on a greyish green appearance.

State officials say that without treatment, infested trees die within four to ten years.

`)); // Facebook script embedding (function (d, s, id) {var js, fjs = d.getElementsByTagName (s)[0]; if (d.getElementById (id)) return; js = d.createElement (s); js.id = identifier; js.src = “https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.12&appId=166116077300962&autoLogAppEvents=1″; fjs.parentNode.insertBefore (js, fjs); } (document, ‘script’, ‘facebook-jssdk’)); // Integration of the Twitter script (function (d, s, id) {var js, tjs = d.getElementsByTagName (s)[0]; if (d.getElementById (id)) return; js = d.createElement (s); js.id = identifier; js.setAttribute (‘async’, ”); js.src = “https://platform.twitter.com/widgets.js”; tjs.parentNode.insertBefore (js, tjs); } (document, ‘script’, ‘twitter-js’)); } // Simplify some iframe stuff var iframes = $ (‘iframe’); iframes .filter (‘.responsive’) .each (function (_, frame) {// 16×9 responsive ratio iframes var $ frame = $ (frame); $ (frame) .css ({position: ‘absolute’, top: 0, left: 0, right: 0, width: ‘100%’, height: ‘100%’,}). Parent (). AddClass (‘wood-responsive-container wood-responsive-container-16×9’);} ); var lazyFrames = iframes .filter (‘[data-lazy-src]’); function woodMakeLazyFrame (selector) {var observer; var options = {root: null, rootMargin: ‘0px’, threshold: 0,}; function handler (entries, observer) {entries.forEach (function (entry) {var ioR = entry.intersectionRatio; if (ioR> 0) {entry.target.src = entry.target.dataset.lazySrc; observer.unobserve ( entry .target);}}); } observer = new IntersectionObserver (manager, options); observe.observ (selector); } lazyFrames.each ((_, frame) => woodMakeLazyFrame (frame)); }); } (jQuery))


Comments are closed.