Pollen feeding in the eucalypt nectar fly, Drosophila flavohirta
作者:
SUSAN W. NICOLSON,
期刊:
Physiological Entomology
(WILEY Available online 1994)
卷期:
Volume 19,
issue 1
页码: 58-60
ISSN:0307-6962
年代: 1994
DOI:10.1111/j.1365-3032.1994.tb01074.x
出版商: Blackwell Publishing Ltd
关键词: Drosophilidae;Drosophila flavohirta;nectar;pollen;proboscis;Eucalyptus.
数据来源: WILEY
摘要:
Abstract.Adults of the eucalypt nectar fly,Drosophila flavohirtaMalloch (Diptera: Drosophilidae), feed onEucalyptuspollen. Flies of both sexes gather pollen with the proboscis, forming a large mass of pollen on the anterior surface of the extended proboscis. Pollen gathering alternates with quiescent periods when the moistened pollen load is continually vibrated. No pollen was found in the adult gut, and it is suggested that hydration of the pollen causes release of nutrients which are then imbibed. This ‘external digestion’ is reminiscent of that employed by heliconiine butterfl
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