Pest Activity -- June 1 , 2007

Pest Activity > June 1

Welcome to the Woody Ornamental Pest Scouting Report for Western Pennsylvania brought to you by Penn State Cooperative Extension. This report is updated weekly with growing degree day counts and insect activity through the end of June. If you would like an email copy of this report, send your request to mcm2@psu.edu.

As of May 30, the following growing degree days with a base temperature of 50 degrees have accumulated.

Uniontown	679
Pittsburgh	670
Wexford	540
Butler	539

Pest Activity

Azalea Lace Bug

	Azalea lacebugs are active at this time.
Fact Sheet

Bagworm

	Bagworms larvae hatched this past week in the City of Pittsburgh.
Fact Sheet

Euonymus Scale

	Eounymus scale crawlers have started to migrate to the foliage in the city of Pittsburgh.
Fact Sheet

 

Fourlined Plant Bug

	Fourlined plant bugs are actively feeding on a wide variety of herbaceous perennials at this time. The red nymph stage can be found nearby their characteristic feeding injury seen in the image to the left.
Fact Sheet

Native Holly Leafminer

	The adult stage of the Native Holly Leafniner have emerged and have begun to lay eggs in the current season's foliage. Control measures should be applied when this feeding injury is seen. Egg laying will follow soon after.
Fact Sheet

Pieris Lacebug

	Pieris lacebug adults are actively feeding on Pieris and mountain laurel at this time
Fact Sheet

Pine Needle Scale

	The crawlers of Pine Needle Scale in the city of Pittsburgh have started to settle and change color from pink to a translucent yellow.
Fact Sheet

Spruce Spider Mites

	Spruce Spider Mite adults are actively feeding at this time.
Fact Sheet

OTHER PESTS	.
	Hawthorn Lacebugs The nymph stage of the hawthorn lacebug were observed on in the city of Pittsburgh this week. The application of control measures for this pest is usually determined by the value and location of the plant in the landscape. Control Measures in PA

 

The next scouting report will be on June 8 , 2007 .