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Reproductive biology of mealybugs (P...

Waterworth, Rebeccah Anne.

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Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries./
作者:	Waterworth, Rebeccah Anne.
面頁冊數:	189 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-09, Section: B, page: 5199.
Contained By:	Dissertation Abstracts International71-09B.
標題:	Biology, Entomology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3412837
ISBN:	9781124121895

Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries.
Waterworth, Rebeccah Anne.

Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries. - 189 p.

Source: Dissertation Abstracts International, Volume: 71-09, Section: B, page: 5199.

Thesis (Ph.D.)--University of California, Riverside, 2010.

Traps baited with sex pheromones were used to monitor field populations of longtailed and obscure mealybugs. Lures loaded with 25 microgram doses of racemic pheromones remained effective for at least 3 months. Pheromones could also be combined to make lures that attracted several species simultaneously. The numbers of insects caught in traps were correlated with mealybug abundance, indicating that pheromone traps can be used in place of laborious manual sampling to monitor populations. The efficacy of using pheromone traps to monitor seasonal fluctuations in mealybug populations was demonstrated.

ISBN: 9781124121895Subjects--Topical Terms:

1018619
Biology, Entomology.

Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries.
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245 1 0 $a Reproductive biology of mealybugs (Pseudococcidae) and practical applications of their sex pheromones in California nurseries.
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500 $a Source: Dissertation Abstracts International, Volume: 71-09, Section: B, page: 5199.
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520 $a Traps baited with sex pheromones were used to monitor field populations of longtailed and obscure mealybugs. Lures loaded with 25 microgram doses of racemic pheromones remained effective for at least 3 months. Pheromones could also be combined to make lures that attracted several species simultaneously. The numbers of insects caught in traps were correlated with mealybug abundance, indicating that pheromone traps can be used in place of laborious manual sampling to monitor populations. The efficacy of using pheromone traps to monitor seasonal fluctuations in mealybug populations was demonstrated.
520 $a Obscure, vine, and longtailed mealybugs were shown to reproduce only through sexual reproduction. Copulatory behavior for both sexes was stereotypical across all species. Female and male mealybugs were capable of multiple copulations in a single day and over multiple days. Female reproductive output did not increase with multiple copulations. Male longevity and activity levels were minimally affected by constant exposure to pheromone, and males typically lived 4-5 days after emergence as adults. This better understanding of mealybug reproductive biology has implications for the use of pheromones for monitoring and control of mealybugs.
520 $a Several pieces of evidence suggest that the sex pheromone is produced somewhere on the hind pair of legs, probably from translucent pores that are only present on the hind legs of adult females. Males were attracted to body sections of females with the hind pair of legs, and extracts of these legs strongly attracted males. Scanning electron microscopy confirmed the presence of the pores on the hind coxae of adult females. Elucidating the site of pheromone production provides the key baseline data required for studies of the biosynthesis of the irregular terpenoids that comprise the sex pheromones of various species.
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790 1 0 $a Redak, Richard $e committee member
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