White Pine Weevil

Aspen Tree and Turf White Pine Weevil

The White Pine Weevil is considered the most destructive pest of the eastern White Pine. Although it has other common hosts such as Colorado Blue Spruce, Norway and Serbian Spruce, and sometimes Douglas Fir. This pest is small and rust colored with patches of brown and white scales on the front wings and the adult […]

Southern Pine Beetle

Aspen Tree and Turf Southern Pine Beetle

The Southern Pine Beetle has been observed attacking eastern white pine and pitch pine. It has also been observed infesting Norway spruce in NY and NJ. Adults are dark red/brown to black in color and 1/16 – 1/8” in length. Eggs are white and larvae are crescent-shaped with a dark red/brown head and a white […]

Spotted Lanternfly

Aspen Tree and Turf Spotted Lanternfly

Spotted Lanternfly is a new invasive species to our area. This leafhopper was first discovered in Berks County Pennsylvania in 2014. In a short amount of time the SLF has managed to spread out and is now being consistently spotted in our area. The adult SLF is most often seen with its wings closed giving […]

Cedar Apple Rust

Aspen Tree and Turf Cedar Apple Rust

Like many rusts rosaceous trees and Juniperus species are required for the fungus to complete its life cycle. The fungus primarily infects apple/crabapple, eastern redcedar and Rocky Mountain juniper. However, several other Juniperus species are also susceptible to infection, such as J. chinensis, J. horizontalis and J. communis. The most frequently noted symptom of cedar-apple rust is the bright red-orange-yellow spots that develop on apple/crabapple […]

Redheaded Pine Sawfly

Aspen Tree and Turf Redheaded Pine Sawfly

Newly hatched larvae are white, unspotted, and have a brown or black head. As larvae feed and mature, they develop a red head and two to four rows of brown/black spots on the yellow body. Young larvae eat the outside of the needles, leaving behind brown, straw-like needles, while older larvae consume the entire needle. Birds, […]

Pine Bark Adelgid

Pine bark adelgids are small, dark, aphid-like insects that are covered with a cottony wax secretion. They occur on the smooth bark of trunks and limbs; heavy infestations look like a covering of whitewash. While some can be found at the bases of needles or on terminal buds, these insects feed only on bark. The […]

Mimosa Web Worm

Aspen Tree and Turf Mimosa Web Worm

This is a serious pest For the Mimosa tree but in our area, it primarily infests the Honey Locust tree. The damage is caused by the insect tying the foliage together with silk webs then feeding on the foliage giving it a bronzed appearance. This damage can range from mildly aesthetic to defoliation. Often the […]

Magnolia Scale

Aspen Tree and Turf Magnolia Scale

The magnolia scale, about 1/2 inch in diameter, is a very large soft scale that feeds on magnolias. Mature females, present in July and August, are pink-orange to brown bumps, often with a white waxy powder. Magnolia scales are sap feeders that excrete large volumes of a sugar-rich liquid waste called “honeydew”. Foliage and branches […]

Lace Bug

Aspen Tree and Turf Lace Bug

This pest is commonly found on Azaleas and Andromeda and damage can be quite severe if the plants are grown in full sun. Nymphs and adults feed on the underside of the leaf and the damage is displayed on the upper part of the leaf in the form of yellow stippling. There can be 3 […]

Japanese Beetles

Aspen Tree and Turf Japanese Beetles

Hundreds of different species of foliar plants. Some preferences are rose, basil, grape, ornamental fruit trees, many others. As larvae they are a serious threat to many turfgrass species. Adults feed voraciously on the foliage of many host species. Most feeding injury appears as skeletonization (“window-paning effect”) of the foliage, often leading to complete defoliation. […]