Posts Tagged ‘Diseases’

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.

A Closer Look – Bonsai Pests Part 2, Scale

January 12, 2010
USDA image from wikipedia, used under open source permission The green apple aphid (''Aphis pomi'') *A, adult sexual female *B, adult male *C, young female *D, female laying an egg *E, eggs, which turn from green to block after they are laid. (Enlarged about 20 times)

A Closer Look: Bonsai Pests – Part 1 – Aphids

June 12, 2009
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Pest Manageement

July 29, 2006