Blackburn, V.L., & Miller, D.R. 1984a Pests not known to occur in the United States or of limited distribution, No. 45: Arrowhead scale.. United States Department of Agriculture, Plant Protection & Quarantine, Animal and Plant Health Inspection Service 81-45: 1-14.
Notes: Unaspis yanonensis; economic importance; hosts & distribution; characters; damage; detection; biology; natural enemies.