Pests not known to occur in the United States or of limited distribution
Subtitle: Arrowhead scale
By: prepared by V. L. Blackburn and D. R. Miller
Contributors: Miller, D. R., author; United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs
Series: APHIS 81 -- 45-45; APHIS 81 -- 45-45.
Published: 1984
Language: eng
Number of pages: 14
Subjects: Unaspis; Citrus; Diseases and pests
Notes: "September 1984."

References: p. 11-14.