An economically import pest of cotton is Lygus.
Implementing an integrated management plan for
Lygus is important for field managers to successfully control this pest. This includes proper sampling, limiting insecticide usage, timing applications correctly, choosing the right compound, and ideally, avoiding having to treat for Lygus at all by implementing
Lygus action thresholds.
Authors: Peter C. Ellsworth, Naomi Pier, Alfred J. Fournier, Steven E. Naranjo, Timothy Vandervoet
New research has identified critical levels of predators that impact economic spray decisions for whiteflies. By working with the beneficials found naturally within a field, reliance on chemical controls could effectively be reduced.
Interactions Between Insects & Weeds in Desert Crops - July 2018
There is a positive correlation between weeds and insects. This article describes the relationship between weed management and insects. It details how weeds can be a refuge for beneficial insects and how they can also act as a reservoir for insect pests. The impact that weeds have on insecticide application is also discussed.
Stink bugs in cotton, alfalfa, and other Arizona crops
In Arizona, we have many species of stink bugs; the species pictured above are encountered in cotton, alfalfa, and other crops. Some are occasional or potential pests of cotton. In the article the Brown Stink Bug (BSB), Eushistus servus, is discussed which has been a pest of cotton, especially in the past few years.
Authors: Peter C. Ellsworth, Lydia Brown (University of Arizona) & Steven Naranjo (USDA-ARS)
Using selective chemistries is safer for the user and environment. This includes the beneficial predators found within fields that are important for controlling pests such as whiteflies and Lygus bugs. Selective chemistries are an important component of Arizona’s insect cotton IPM program. Current research is being conducted on the newest chemistries to determine their selectivity towards non-target organisms, such as beneficials.
Cross-commodity Guidelines for Neonicotinoid Insecticides in Arizona
Authors: John C. Palumbo, Peter C. Ellsworth, Timothy J. Dennehy, Robert L. Nichols
This document outlines some of the guidlines for Neonicotinoids, which were relatively new at the time. The plans within the document aim to help keep Neonicotinoids as a cost efficient and effective form of whitefly management for the future.
Beet armyworm (Spodoptera exigua) caterpillars are smooth skinned with few or no hairs on the body, may be olive green to almost black in color down the middle of the back, and have a yellow stripe on each side of the body. This publication details the Beet Armyworm. It's description, biology, damages it causes, and methods of controlling it are discussed.