Studies on the Biology of the Irregular Pine Scale

Autor:	Marios E. Kattoulas, C. S. Koehler
Rok vydání:	1965
Předmět:	Honeydew Scale (anatomy) Ecology biology Homoptera fungi food and beverages General Medicine Pinicola biology.organism_classification Horticulture Insect Science Ornamental plant Botany Shoot PEST analysis Coccidae
Zdroj:	Journal of Economic Entomology. 58:727-730
ISSN:	1938-291X 0022-0493
DOI:	10.1093/jee/58.4.727
Popis:	Toumcyella pinicola Ferris (Homoptera: Coccidae) is an important pest of certain ornamental pines in coastal California. Infested trees are reduced in vigor and become blackened by the sooty-mold fungi which colonize the honeydew produced by the scales. There is 1 generation each year. Emergence of crawlers begins in mid- or late spring in San Mateo County, California. When confined individually and held outdoors, females produced an average of 1307 crawlers over a period of 20 days. Female scales developed on the stems of shoot growth whereas about 80% of the males developed on the needles. Adult males emerged in mid-summer and early fall, at which time the females were approximately half grown.
Databáze:	OpenAIRE
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