Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/16128
Título: Effects of pollen, sugars and honeydew on lifespan and nutrient levels of Episyrphus balteatus
Autor: Pinheiro, Lara A.
Torres, Laura
Raimundo, João
Santos, Sónia A.P.
Palavras-chave: Glucose
Nutrient levels
Data: 2015
Citação: Pinheiro, Lara A.; Torres, Laura M.; Raimundo, João; Santos, Sónia A.P. (2015) - Effects of pollen, sugars and honeydew on lifespan and nutrient levels of Episyrphus balteatus. BioControl. ISSN 1386-6141. 60, p. 47-57
Resumo: Hoverflies require pollen, nectar and honeydew during their adult stage, but little is known about the suitability and nutrient provision of each of those resources. Thus, in this study we assessed the effect of different types of food, such as carbohydrates (glucose, fructose, sucrose and honey), pollen, a mixture of honey and pollen, and honeydew on longevity and nutrient levels of Episyrphus balteatus (De Geer) (Diptera: Syrphidae). Glucose and the mixture of pollen and honey were the food sources that gave the highest longevities. Considering nutrient levels in the body of hoverflies, sucrose generated high levels of fructose, total sugars and glycogen while glucose generated high levels of lipids. This suggests that carbohydrates are important food components for the survival and energy supply of hoverflies, with glucose being the most effective. Honeydew can also be used by hoverflies, representing a significant sugar source that may replace nectar when suitable flowers are scarce in agroecosystems.
Peer review: yes
URI: http://hdl.handle.net/10198/16128
DOI: 10.1007/s10526-014-9621-8
ISSN: 1386-6141
Aparece nas colecções:CIMO - Artigos em Revistas Não Indexados à WoS/Scopus

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