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Agrilus anxius, the bronze birch borer, is a wood-boring buprestid beetle native to North America, more numerous in the warmer parts of the continent and rare in the north. [1] It is a serious pest on birch trees (Betula), frequently killing them. The river birch Betula nigra is the most resistant species, while other American birches are less so.
Birch triterpenes, sold under the brand name Filsuvez, is an extract of birch bark used as a topical medication for the treatment of epidermolysis bullosa. [ 1 ] [ 3 ] The active ingredients are triterpenes extracted from the outer bark of silver birch ( Betula pendula ) and downy birch ( Betula pubescens ).
Common names include oak splendour beetle, oak buprestid beetle, and two-spotted oak borer. [1] This beetle is known as a pest that causes damage to oak trees and is a major factor in oak decline. [2] The adult beetle is 8 to 13 millimeters long. [1] It is metallic green in color with a black or yellow cast. [3]
When the Green Valley infestation struck, the only option was tree removal. About a year ago, the L.A. County Fire Department started treating certain trees with a systemic pesticide, which is ...
Following trials in 1995 that supported a dramatic reduction in birch leafminer damage by the first parasitoid, the City of Edmonton, Alberta, Canada discontinued pesticide treatments to almost 3,500 city birch trees in 1996 and 1997. These trees continue to show very little leafminer damage without any treatment.
The coughing, sneezing, headache-nightmare-of-an-event took place on April 4, when a 30-foot river birch tree was chopped down in a residential area. Falling tree releases massive 'pollen bomb' in ...
If you think you found a beetle or tree damage, report it by calling the ALB hotline at 1-866-702-9938 or submitting an online report at www.AsianLonghornedBeetle.com. Try to photograph the ALB or ...
Blister beetle dermatitis is a cutaneous condition that occurs after contact with any of several types of beetles, including those from the Meloidae and Oedemeridae families. [ 1 ] : 449 Blister beetles secrete an irritant called cantharidin , a vesicant that can get onto humans if they touch the beetles.