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Pine Sawfly Hatch Underway
This article was published originally on 4/29/1992Now is the time to begin watching pine trees for feeding damage by clusters of European pine sawfly larvae. These gray-green larvae with the shiny black beady heads are common on mugo, Scots and red pine, and may be found on other pine species as well (white and Austrian pines are usually only attacked if interplanted with the more susceptible species). The phenological indicator plants and their stage of development that coincide with the onset of European pine sawfly egg hatch and presence of small larvae are:
Year of Publication:
IC-463(9) -- April 29, 1992