Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability.

Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Research Abstract Details 

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Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Abstract Text:

R E Gary,W A Foster,

Little is known about the sugar-feeding behaviour of equatorial Africa's principal vector of malaria, Anopheles gambiae Giles (Diptera: Culicidae). It is suspected to feed on plant sugar infrequently, but possibly the timing depends on environmental circumstances, and males may differ markedly from females. These points of uncertainty were clarified in the laboratory, by monitoring both diel and longterm sugar-feeding activity in both sexes. Males fed on sugar in a nocturnal diel rhythm closely approximating non-specific flight activity. Female diel sugar-feeding patterns resembled published rhythms and cycles of host seeking. Males sugar fed nightly at an average frequency of about twice per night, sustained over 17 days. This was substantially higher than the sugar-feeding frequency of females that were allowed both blood and oviposition sites every night: they averaged about one sugar feed in every 4 nights. These females fed on sugar between gonotrophic cycles, after eggs were mature but before the next bloodmeal. They did not sugar feed during the 2 days after blood feeding, while blood was being digested and the eggs developed. A slight delay in the availability of either the oviposition site or blood led to an increase in female sugar-feeding frequency: they averaged more than once per night until the delayed resource was made available. These observations support the conclusion that sugar feeding is a normal part of the biology of both sexes of An. gambiae.

Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Publishing Authors By Initials

RE Gary,WA Foster,

For similar carbohydrates: polysaccharides: oligosaccharides: disaccharides: sucrose research abstracts see: carbohydrates: polysaccharides: oligosaccharides: disaccharides: sucrose research

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Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Medical and veterinary entomology

VOLUME: 20

Page Numbers: 308-16

Journal Abbreviation: Med. Vet. Entomol.

ISSN: 0269-283X

DAY: 3

MONTH: Sep

YEAR: 2006

Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Information

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LANGUAGE: eng

NlmUniqueID: 8708682

Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Keywords Mesh Terms:

KEYWORDS: Sucrose

MESH TERMS: metabolism

Chemical & Substance for Abstract: Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability. Information

Substance Name: Sucrose

Registry Number: 57-50-1

Grant and Affiliation Information for Diel timing and frequency of sugar feeding in the mosquito Anopheles gambiae, depending on sex, gonotrophic state and resource availability.

AFFILIATION: Department of Entomology, Ohio State University, Columbus, Ohio, USA. richard.gary@odh.ohio.gov

Country: England

AGENCY: United States NIAID

GRANT: R21-AI062957

ACRONYM: AI

MEDLINETA: Med Vet Entomol

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