This pest has two generations per year in Pennsylvania with an increase in the number of females by 20 to 50 per nest. Magnolia Scale, a soft scale insect found on Star, Saucer and Cucumber Magnolias is going through a molting process and secreting large amounts of honeydew at this time that is drawing the attention of homeowners. While the crawler stage does not occur until late August, you can use imidacloprid at this time to control the scale before the famales produce young nymphs. The material should be soil injected within a 12 inch radius of the trunk and the area around the tree should be thoroughly irrigated before and after application to hasten the uptake of the imidacloprid. Japanese Beetle adults are active at this time.
Weevil adults is evident in southwest Pennsylvania.
Control measures should be applied at this time. Hawthorn Lacebugs remain active on cotoneasters this past week in the City of Pittsburgh. Bagworms are actively feeding and forming bags on a wide variety of both conifers and deciduous trees in Southwest Pennsylvania. Due to their camouflage technique of covering themselves with small pieces of foliage, close inspection is required to detect their presence in their early stage. Lacebugs remain active in southwest Pennsylvania.