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Bonsai Tree Demonstration by Graham Potter

A Closer Look – Bonsai Pests Part 2, Scale

by heather hartman on January 12, 2010
These invasive scale insects, Citrophilus mealybugs (Pseudococcus calceolariae), when disturbed, secrete a red liquid as a means of defense. Note the two droplets on the large mealybug in the center. Photo by Q. Holdman. From the USDA website, used under open source permissions.
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