Posts Tagged: Nobua-Behrmann

Invasive Shothole Borers Threaten California’s Urban Forests

When tiny tree-killing beetles first arrived in Southern California several years ago and began...

Fig 1 Adult female of Polyhagous shot hole borer

Fig 2 Beetle entry hole on an avocado branch

Fig 3 a close up picture of broken branch of red willow tree in OC parks

Invasive Shothole Borers – An Ongoing Threat to California’s Trees

Two identical looking species of wood-boring beetles, collectively known as invasive shothole...

Managing Invasive Shot Hole Borers in Southern California

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from...

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