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Arborjet provides solutions to safely and profitably save urban and natural forests from invasive insects and diseases in an environmentally friendly way.
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Monthly Archives: October 2009
The Goldspotted Oak Borer
The Goldspotted Oak Borer (GSOB) was first detected in 2004 in San Diego County, California by the California Department of Food and Agriculture during a survey for exotic woodborers. In 2008, it was found in the same county attacking coast live oak, Quercus agrifolia, canyon live oak, Q. chrysolepis, and California black oak, Q. kelloggii, [...]
Dutch Elm Disease Treatment
Dutch elm disease is a vascular wilt disease causing rapid decline in as few as 6 weeks after infection. American and European elms are commonly infected in two ways. Elm bark beetles vector the disease from infected to healthy trees; the fungus may also be transmitted through root grafts. Dutch elm disease is an aggressive [...]
Hemlock Woolly Adelgid Treatment
The Hemlock Woolly Adelgid (HWA) is a tiny, piercing and sucking insect, unseen with the naked eye, that feeds on hemlock twigs at the bases of the needles. HWA is an invasive species from Asia which has infested the US East coast hemlock forest from NH to GA. It has also recently been found in [...]
Asian Longhorned Beetle spotted in West Boylston, MA
Summary of News Release from the USDA:
Yet another sign of Asian longhorned beetle (ALB) has been found in Massachusetts, this time in the city of West Boylston. On Oct. 13, The U.S. Department of Agricultures’ Animal and Plant Health Inspection Service (APHIS) announced the discovery of 18 additional trees infested with Asian longhorned beetle. In [...]
Apple Scab Treatment
Apple scab is a fungal disease caused by the fungus venturia inaequalis. It can affect the leaves, fruit, and twigs. While most common in apple trees, both pear and hawthorn are also frequently infected by the fungus. Outbreaks will be most severe following particularly wet and cool spring conditions. The disease infects the leaves, twigs [...]
Winter Moth Treatment
Winter Moth, an introduced pest causes severe defoliation in hardwood trees. Winter Moth is appropriately named since adult moths can be active from November through January. Larvae feed early on developing leaves and severe infestations will defoliate trees. In June they drop to the ground to pupate in the soil until fall. Research has shown [...]
Posted in Pest Info Tagged ace-jet, min-jet calcium, min-jet manganese, trunk injection, winter moth Leave a comment
New Strategies for Emerald Ash Borer Control
Since the discovery of the emerald ash borer (EAB) in Wisconsin one year ago, state officials have revised their plan on fighting the invasive pest. Within the state, the first cases of EAB’s emergences were in 2008. Early on, private land owners were forced to cut down healthy ash trees to prevent infestation due to [...]
Posted in Emerald Ash Borer, News Tagged Emerald Ash Borer, green bay, invasive pests, tree injection Leave a comment
Erythrina Gall Wasp Treatment
The Erythrina Gall Wasp is an exotic pest of the wiliwili tree (Erythrina variegata). Common tree names include tigers claw, Indian coral tree and wiliwili-haole. It was first discovered in Hawaii in 2005. The developing EGW larvae induce galls in tender leaf and stem tissue. Unchecked infestations cause leaf deformation, reduction in growth, defoliation and [...]
Red Gum Lerp Psyllid Treatment
The red gum lerp psyllid (RGLP) (Glycaspis brimblecombei) is a foliar pest on red gum eucalyptus trees (Eucalyptus camaldulensis). Like the Eucalyptus trees the RGLP is native to Australia. RGLP is a plant-juice sucking homopteran in the family Psyllidae. The nymphs form a protective covering of crystallized honeydew called a lerp. This protective covering over [...]
Emerald Ash Borer Awareness Campaigns
The Emerald Ash Borer (EAB) is an invasive beetle that attacks ash trees. This green metallic wood boring beetle was found in Detroit, Michigan in 2002. Emerald Ash Borer was accidentally imported from Asia and has killed tens of millions of ash trees in Michigan, and tens of millions more have been lost [...]
Posted in Emerald Ash Borer, Pest Info Tagged Asian Longhorned Beetle, Emerald Ash Borer Leave a comment