Pests and Diseases
 
 
 
Pests and 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.
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.
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

Scale are another ubiquitous garden variety pest in temperate regions. Scale insects are small insects of the order Hemiptera, generally classified as the superfamily Coccoidea. There are about 8,000 species of scale, with many...
 
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Pests and Diseases
 
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)
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)
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

Aphids are a ubiquitous garden variety pest in temperate regions, as irritating on our tomatoes as they are on our bonsai. Also called plant lice and greenflies, Aphids are part of the insect superfamily of Aphidoidea (which pr...
 
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Pests and Diseases
 

Pest Manageement

This article was originaly on the website of the Bonsai Societies of Florida. Reprinted with permission of the SSF The information was originally compiled by Carolyn Carver for her own use. It was presented as a seminar at the ...
 
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