Pug Moth


a small moth, Glaucina, from Aguila in the Sonoran Desert photo © by Mike Plagens

At light in Sonoran Desert Scrub habitat, 15 km s of Aguila, Maricopa Co., Arizona. 18 March 2017.

Geometridae -- Inch-worm Moths

As adult moths, Inch Worms do not live very long - a couple of weeks at most. Still, they must survive long enough to avoid being predated by a lizard, bird, bat etc. For most the usual strategy is camouflage. When this moth sits on a scaly-barked twig it becomes almost invisible! The hinds wings are rolled under so that the moth can align itself on the twig making the abdomen appear to be a smaller, broken twiglet. There a number of Glaucina species that are difficult to separate.

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Copyright Michael J. Plagens, page created 8 April 2017.