Resource Number: 14532
Title: Identification of Gypsy Moth Larval Color Forms
Publisher: USDA Forest Service
Description: Since 1991, Asian gypsy moths (AGM) have been introduced into North America on commercial and military vessels and their cargo, from the Far East and more recently from Europe. AGM and the gypsy moths already present in North America (NAGM) differ in many ways, most notably in female flight capability and host plant acceptance. Many of the traits which make AGM potentially a more serious pest are retained when NAGM and AGM hybridize. Unfortunately, positive visual identification of trapped male moths or other intercepted stages of AGM, NAGM or their hybrids is almost impossible. DNA analysis has been the primary means of positive identification. Recently completed research on larval color and its inheritance suggest that this trait may be useful in detecting North American sites where AGM or its hybrids from Asia or Europe have been introduced.
Last Updated: May 20, 2021
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- Forestry
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