CISR: Eucalyptus Longhorned Borer

CISR: Eucalyptus Longhorned Borer

Wednesday, October 21st, 2009

The Situation: Approximately 90 of the more than 700 species in the tree genus Eucalyptus have been introduced into North America over the last 150 years. Eucalyptus spp. are native to Australia and New Guinea. Many residents of California find the growth form, evergreen foliage, floral show, and other horticultural qualities such as drought tolerance […]

CISR: Australian Gum Tree Weevil

Wednesday, October 21st, 2009

The Situation: Eucalyptus is a ubiquitous landscape, shade, and windbreak tree throughout southern and central California. The trees are valued for their fast growth and tolerance of poor soils and drought. Eucalyptus is now threatened by several pest insects accidentally introduced into California from Australia, one of which is the Australian gum tree weevil. Description: […]

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Center for Invasive Species Research

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