Spruce Spider Mite

Oligonychus ununguis (Jacobi)
Acari: Tetranychidae

• McGraw, J.R.; Hain, F.P. 1979. Spruce spider mite sampling system: Instructions for use. NC State University Agricultural Extension Service School of Forest Resources. 4 pages. - New Window
• Richmond, D. S.; Shetlar, D. J. 1996. Eclosion time and spatial distribution of overwintering spruce spider mite (Acari: Tetranychidae) eggs on Colorado spruce. Journal of Economic Entomology 89: 447-452. - New Window
• Shrewsbury, P. M.; Hardin, M. R. 2004. Beat sampling accuracy in estimating spruce spider mite (Acari: Tetranychidae) populations and injury on juniper. Journal of Economic Entomology 97: 1444-1449. - New Window
• Sidebottom, J.R. 1995. The spruce spider mite in Fraser fir. NC State University Cooperative Extension Service Christmas Tree Notes. 4 pages. - New Window
• Webster, R. 1983. Sample collection method and sequential sampling plan for mites (Oligonychus ununguis) and aphids (Cinara laricifex) on tamarack. Canadian Forest Service Technical Note No. 278: 5 pages. - New Window
• Webster, R. 1993. Sample collection method and sequential sampling plan for mites (Oligonychus ununquis) and aphids (Cinaria laricifex) on tamarack. Tech. Note No. 278. Forestry Canada, Maritimes Forest Research Center; 5 p. - New Window