Data/hora: 23/09/2024 15:57:54

Biblioteca(s): 	Embrapa Algodão.	
Data corrente: 	14/01/2020	
Data da última atualização: 	20/01/2020	
Autoria: 	SILVA, C. S. B. D.; PARK, K. R.; BLOOD, R. A.; WALTON, V. M.	
Afiliação: 	CHERRE SADE BEZERRA DA SILVA, CNPA; Kyoo R. Park, Department of Horticulture, Oregon State University; Rachel A. Blood, Department of Horticulture, Oregon State University; Vaughn M. Walton, Department of Horticulture, Oregon State University.	
Título: 	Intraspecific Competition Affects the Pupation Behavior of Spotted-Wing Drosophila (Drosophila suzukii).	
Ano de publicação: 	2019	
Fonte/Imprenta: 	Open acess Scientific Reports, v. 9, 2019.	
Idioma: 	Inglês	
Conteúdo: 	In Drosophila, intraspecific competition (IC) may cause stress, cannibalism, and affect survival and reproduction. By migrating to less crowded environments, individuals can escape IC. Larvae of spottedwing drosophila (SWD, Drosophila suzukii) are often exposed to IC. They are known to pupate either attached to or detached from their hosts. Here, we hypothesized that SWD pupates detached from the larval host as a means to escape IC and increase their survival and fitness. Under laboratory conditions, IC resulted in increased pupation detached from the larval host in both cornmeal medium and blueberry fruit. Males were more prone to detached pupation than females. In blueberry, IC-exposed larvae pupated farther away from the fruit relative to singly-developed individuals. Detached pupation was associated to survival and fitness gains. For example, larvae that displayed detached pupation showed shorter egg-pupa development times, higher pupa-adult survival, and larger adult size relative to fruitattached individuals. These findings demonstrate that SWD larvae select pupation sites based on IC, and that such a strategy is associated with improved survival and fitness. This information contributes to a better understanding of SWD basic biology and behavior, offering insights to the development of improved practices to manage this pest in the field.	
Thesaurus Nal: 	Cannibalism; Drosophila; Fruits; Intraspecific competition.	
Categoria do assunto: 	--	
URL: 	http://ainfo.cnptia.embrapa.br/digital/bitstream/item/208765/1/Instraspecific-competition-affects.pdf	
Registro original: 	Embrapa Algodão (CNPA)	
Exemplares: 	CNPA - (28715-1) - UPC - AP - DD -  -  -  - DIS