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fall cankerworm adult male

fall cankerworm adult male

The fall cankerworm (Alsophila pometaria) is sexually dimorphic, with males having wings (shown here) and the ability to fly and females being flightless. The mottled, gray-brown coloring of both male and female adults allows for excellent camouflage against tree bark. (Photo by William M. Ciesla, Forest Health Management International, Bugwood.org)

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