Aphid Control
Aphids are small, soft insects with sucking mouthparts. They come in a variety of colors and can attack a wide variety of plants as well. They are generally found under leaves and on tender new stems, often in colonies. The…
Euonymus Scale
Euonymus scale is one of the most damaging scales in our area. It can cause defoliation and even death of many varieties of Euonymus. These scales can also affect a groundcover called Pachysandra. Euonymus scales are a small (1/8th inch)…
Emerald Ash Borer
The emerald ash borer is an invasive beetle from Asia that is devastating our native ash forests and urban plantings. The beetle is about ½ inch long and metallic green. The adult beetles are active from May through July. The…
Oak Galls
Oak galls are tumor-like plant growths that appear on oak leaves or twigs. They are caused by tiny parasitic wasps or midges. While dramatic looking, rarely do any damage to the tree. As the tiny larva of these insects starts…
Ash Flower Gall
The ash flower gall is an unsightly plant growth caused by a mite that appears on ash trees. It specifically infects the clusters of male flowers ashes produce. Clusters of these tumor-like growths start to expand and become woody in…
Fall Webworm
Fall webworms are caterpillars that form colonies inside of spiderweb-like sacks. These sacks can be feet across and are generally found on the ends of branches. The caterpillars appear on trees in the fall and defoliate the branches inside of…
Oak Itch Mite
The oak itch mite is a pest to humans, not plants. A nearly microscopic mite, oak itch mites fall from pin oak trees starting in July through leaf drop in the fall. Raking oak leaves in autumn can also expose…
Boxelder Beetles
Boxelder beetles (also know as boxelder bugs) are a nuisance pest that swarms houses and other buildings in the fall. They are about ½ inch long and are dark grey to black and orange. As temperatures drop in the fall,…