Pests not known to occur in the United States or of limited distribution
Subtitle: Large white butterfly
By: prepared by K. Whittle
Contributors: United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs
Series: APHIS 81 -- 45-47; APHIS 81 -- 45-47.
Published: 1984
Language: eng
Number of pages: 11
Subjects: Large white (Insect); Brassica; Diseases and pests
Notes: "September 1984."

References: p. 10-11.