June 2004

Minnesota Department of Natural Resources Division of Forestry

In this issue:

A Long, Drawn-out Spring

Foliage diseases
Dutch elm disease
Spring defoliators
Physiological disorders
Winter injury
Heavy seed set
Still droughty in NC counties

Summer Shorts

Forest tent caterpillar
Two-lined chestnut borer
Fall cankerworm
Jack pine budworm
Red cedar bark beetle
Yellow-headed spruce sawfly
Spruce budworm
Larch casebearer

News from the University

"Conditional" cankers

Feature Article: Trees and Pests