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Wednesday, August 10, 2011

8/10/11 FALL WEB WORMS AND OTHER HARBINGERS OF THE SEASON


FEELS LIKE FALL

FALL WEB WORM "TENT"

RED OAK ACORN
 Wednesday, 7:45 AM.  60 degrees, wind WSW, light.  The sky is cloudless with a bit of haze and the barometer predicts fair weather.  It feels like fall.
    Speaking of which, fall web worms, or tent caterpillars, are beginning to appear here and there.  The caterpillars feed and grow within the silken “tent” that they weave around the colony, which makes them almost impervious to any kind of insecticidal spray when they are inside it.  However, in the home landscape they appear only  sporadically and the easiest control on most trees and shrubs is simply to cut off the branch the “tent” is on and bury or burn it.  The overwintering egg masses are cottony white and are attached to the undersides of leaves, and in branch crotches.  The adult male and female moths are white and quite pretty.  The species is native to most of North America.
    The red oak acorns are ripening and squirrels are having a field day.  As with most other fruits this year, there appears to be a bumper crop.  Good not only  for the squirrels but the deer, turkeys and grouse as well.  All should go into the winter well fed.

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