Longevity, Resistance to Deprivation of Food and Water, and Susceptibility to Malathion and DDT of Oriental Fruit Flies, Melon Flies, and Mediterranean Fruit Flies Sexually Sterilized with Tepa or Radiation13

Autor:	Esther L. Schneider, Irving Keiser
Rok vydání:	1969
Předmět:	Melon fly Ecology biology Melon media_common.quotation_subject fungi Longevity Chemosterilant General Medicine Pesticide Ceratitis capitata biology.organism_classification Toxicology chemistry.chemical_compound Dacus chemistry Insect Science Malathion media_common
Zdroj:	Journal of Economic Entomology. 62:663-667
ISSN:	1938-291X 0022-0493
DOI:	10.1093/jee/62.3.663
Popis:	In laboratory tests conducted at Honolulu, Hawaii, from 1964 to 1968, oriental fruit flies, Dacus dorsalis Hendel, and Mediterranean fruit flies, Ceratitis capitata (Wiedemann), sexually sterilized with tepa, lived longer than untreated flies of both sexes. Longevity increased with higher dosages of tepa until the chemosterilant acted as a toxicant. Females of these species sterilized by gamma rays lived longer than their untreated Counter-parts, but male longevity was not increased. The melon fly, D. cucurbitae Coquillett, reacted conversely, in that when it was sterilized by either method, longevity was decreased. Radiation-sterilized or chemosterilized adults of all 3 species withstood food and water deprivation better to varying degrees than their untreated counterparts, when tested at ages associated with 50% natural mortality in populations. They also required more DDT or malathion to achieve comparable mortalities at the LD50 and LD95 levels than nonsterilized flies.
Databáze:	OpenAIRE
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