Greenhouse Pest Alert: Sweetpotato Whitefly

Information provided on detection and identification of the greenhouse pest Sweetpotato whitefly, Bremisia tabaci. Resistance, survey and detection, and distinguishing between the common greenhouse whitefly and the sweetpotato whitefly are discussed.

Controlling Moss in Lawns

Mossy lawns are common in the Pacific Northwest. Two mosses typically found invading Western Oregon lawns are Rhytidiadelphus sp. and Brachythecium albicans. Cultural, mechanical, and chemical control methods are offered as a guide to help control moss in lawns.

Biological Control of Insects With Insect-Pathogenic Nematodes - A Brief Status Report

Increased interest in using biological control of insects by nurseries prompted the author to provide the brief report on using pathogenic nematodes for insect control. Topics discussed include nematode species, nematode lifecycle, host insects, and other factors.

Chinch Bugs in Lawns and Turf

A brief report on the observed increase in chinch bug (Blissus sp) damage to turf and lawns in western Oregon. The Oregon State University affiliated author covers the following topics; identifying damage, physical description, and control methods.

Western Flower Trips - An Industry-Wide Problem

Greenhouse Crops
Information regarding common thrips species including; the western flower thrips (Frankliniella occidentalis), eastern flower thrips (Frankliniella tritici), onion thrips (Thrips tabaci), gladiolus thrips (Taeniothrips simplex), and the greenhouse thrips (Heliothrips haemorrhoidalis). Additional information is provided on transmitted viruses, life cycle, detection/ monitoring, and control methods.

Overview of Commercial Production of Cut English Holly (Ilex aquifolium) in the Pacific Northwest

Oregon State University affiliated author offers an overview of commercial production of cut English holly in the Pacific Northwest. Topics include production statistics, marketing, culture, insect and pathogen problems, berry production, and post-harvest care.

Identifying Common Root Weevils

The general physical characteristics for identifying common root weevils are discussed along with characteristics for identifying several specific weevil species. Weevils discussed include; Clay-Colored Weevil, Obscure Root Weevil, Rough Strawberry Root Weevil, Strawberry Root Weevil, Small Grass Weevil, Woods Weevil, Woodburn Weevil, Black Vine Weevil.

Root Weevils: Some Adults Overwintered, Others are Still Emerging

A comprehensive guide for the management of root weevils including the strawberry root weevil (Otiorhynchus ovatus) in greenhouses, nurseries, landscapes and gardens. Topics discussed include root weevil damage, life cycle, hosts, and control.

Silver-Spotted Tiger Moths on Conifers

The silver-spotted tiger moth, Halisidota argentata, belongs to a family of stout bodied moths which can be pests of conifers, causing loss of harvestable trees for Christmas tree growers. Lifecycle, habitat, appearance, and control methods are briefly addressed.

Pest News--Black Vine Weevil: An Increasing Problem for California Nurseries

Research was conducted on the distribution and chemical control of the black vine weevil in California nurseries after an increasing number of California nurseries were reporting control problems and damage associated with the black vine weevil.