All posts by heather hartman

 
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
 
Photograph by Peter Evans

Acer buergerianum

October 17, 2008
 
Photograph and Bonsai by Walter Pall Japanese Maple (Acer palmatum) Height: 90 cm, 35.43 inches Pot: Derek Aspinall

Acer palmatum

September 23, 2008

 
Jack Pine bonsai and photograph by Jerry Vlcek

Pinus banksiana

April 15, 2008
 
Bonsai by Carlos Huerta, photograph by Antoni Payeras

Olea europaea

March 19, 2008
 
Photographs by Heather Hartman

Bougainvillea

March 6, 2008
 
Bonsai and photographs by Dan Barton

Ginkgo biloba

March 6, 2008