Arthropod Pests of Hemlock (Tsuga sp.)
Stephen Bambara, Extension Entomologist
- Green or brown cone-like bags 1/4"
*Hand pick bags any time of year
- Fluffy white "cotton" at base of needles
*hort oil sprays
*Horticultural oil, Floramite, Hexygon, sprayed in
cool season while mites active. Follow-up sprays often required
- Armored scale, two generations
* Horticultural oil during crawler stage
repeat in 14 days
- White, waxy, cap-shaped cover
* Horticultural oil during crawler stage; repeat treatment 14 days later
- Browning noted during Summer or Winter
*Horticultural oil, Floramite, Hexygon, sprayed in cool season while mites active. Follow-up sprays often required with oil.
Recommendations for the use of chemicals are included in this publication as a convenience to the reader. The use of brand names and any mention or listing of commercial products or services in this publication does not imply endorsement by the North Carolina Cooperative Extension Service nor discrimination against similar products or services not mentioned. Individuals who use chemicals are responsible for ensuring that the intended use complies with current regulations and conforms to the product label. Be sure to obtain current information about usage and examine a current product label before applying any chemical.
For assistance, contact your county North Carolina Cooperative Extension Service agent.
Distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914. Employment and program opportunities are offered to all people regardless of race, color, national origin, sex, age, or disability. North Carolina State University at Raleigh, North Carolina A&T State University, U.S. Department of Agriculture, and local governments cooperating.
Prepared by:S. B. Bambara, Extension Entomologist. Photos ©
J.R. Baker and S.Bambara (permission required), and Bugwood.org.
ENT/ort-150. December, 2009
Web page last reviewed January, 2011 by the webperson.