Insecticide-impregnated cattle ear tags have been a popular means of controlling pasture flies (horn fly and face fly) for over 20 years. The insecticide in the tag “blooms” from the plastic matrix and is then transferred to the animal’s hair…
Insecticide-impregnated cattle ear tags have been a popular means of controlling pasture flies (horn fly and face fly) for over 20 years. The insecticide in the tag “blooms” from the plastic matrix and is then transferred to the animal’s hair…
The following plant disease highlights from the UK Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. Recent agronomic samples have included white mold (Sclerotinia) on canola; and wheat soilborne mosaic and wheat spindle…
Weekly trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the…
Alfalfa weevil is a key insect pest on the first alfalfa cutting. Tip feeding should show up soon in established fields (Figure 1). This insect occurs throughout the state, but sound management practices, weather patterns, and natural enemies often keep…
Black cutworm (BCW) and armyworm (AW) moths captured in the IPM traps at the UK Research and Education Center in Princeton, KY show a substantial increase for the trap week ending Friday, April 10. In the case of BCW (Figure…
Variegated cutworm is a common and destructive pest in tobacco transplant production. The moths fly as early as March, so infestations can begin soon after seedlings begin to grow. Moths are attracted to outdoor lighting and this may be a…
Aphids are among the first insects to appear on trees and shrubs in spring. They thrive under cool, rainy, conditions; our weather pattern to date has favored them. Aphids occur in colonies (Figure 1) on tender growth: flower buds, expanding…
Male and female carpenter bees are becoming active after spending the winter in last year’s tunnels. They resemble bumble bees but have shiny, bare abdomens (Figure 1); bumble bee abdomens are “hairy.” Females have black faces. They are not aggressive…
Weekly trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the…
Despite the lingering cool weather, spring is upon us, and fruit set is underway with plasticulture strawberries. This is the first of the spotted wing drosophila (SWD) susceptible crops, which also include blueberries, blackberries, raspberries, cherries, and grapes. Last year,…
Nearly 70% of our wild bee species nest in the ground. They choose well-drained soils in open, sunny areas. Conical piles of fine soil particles usually surround their tunnel entrances (Figure 1). Ground bees are solitary but over several seasons,…
Lone star tick nymphs and adults are active now. American dog tick adults will be looking for hosts soon, too. Personal protection, frequent self-inspection, and prompt tick removal are keys to reducing tick bites and potential health consequences. Ticks can…
Weekly trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington. Below are trap counts for the…