Gypsonoma haimbachiana
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Cottonwood Twig Borer (Gypsonoma haimbachiana) is a moth of the Tortricidae family. It is found in eastern North America, from Canada to the Gulf states and west to Missouri The wingspan is 13 17 mm. Adults are ash grey. There are four or more generations per year in the southern part of their range. The larvae feed on Populus sect. Aegiros and other Populus species. Young larvae cover themselves with silk mixed with trash and then bore into the midrib of their…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Cottonwood Twig Borer (Gypsonoma haimbachiana) is a moth of the Tortricidae family. It is found in eastern North America, from Canada to the Gulf states and west to Missouri The wingspan is 13 17 mm. Adults are ash grey. There are four or more generations per year in the southern part of their range. The larvae feed on Populus sect. Aegiros and other Populus species. Young larvae cover themselves with silk mixed with trash and then bore into the midrib of their host plant. After some days, they leave the midrib gallery and tunnel into a young shoot to complete their larval development. Full-grown larvae move down the trunk to spin a cocoon in a sheltered bark crevice, in litter or between leaf folds. It is one of the most destructive insects of young cottonwood.