Data/hora: 04/06/2024 05:24:45

Provedor de dados: 	104	
País: 	Brazil	
Título: 	Size of and damage on shoots of Passiflora suberosa (Passifloraceae) influence oviposition site selection of Heliconius erato phyllis (Fabricius) (Lepidoptera, Nymphalidae)	
Autores: 	Mugrabi-Oliveira,Elna; Moreira,Gilson R.P.	
Data: 	1996-01-01	
Ano: 	1996	
Palavras-chave: 	Lepidoptera; Heliconius; Passiflora; Oviposition behavior; Host plant selection.	
Resumo: 	Oviposition site selection of Heliconius erato phyllis (Fabricius, 1775) (Lepidoptera, Nymphalidae) was studied when size of and damage on shoots were variable in a natural population of Passiflora suberosa Linnaeus (Passifloraceae), and through sequential and simultaneous choice experiments performed under insectary conditions. Females showed marked oviposition preference for undamaged and largest shoots of P. suberosa. Eggs were mostly laid on the terminal buds of intact shoots under natural conditions. In simultaneous choice trials, females preferred to oviposit on shoots from which leaves (ten) were removed but the terminal bud maintained to those where leaves were kept but the terminal bud was cut out. In sequential choice trials, they did not lay eggs on shoots from which the terminal bud was removed. Females preferred to oviposit on large to short intact shoots in both sequential and simultaneous choice trials. Females laid eggs preferentially on shoots with the greatest leaf area when most plants were intact in the field during early spring. Later in fall, when mostly large, old shoots were damaged or in a reproductive stage (less desirable for oviposition), oviposition intensity was highest on the shortest, youngest shoots of P. suberosa. Thus, females might rank these quality attributes higher than size while selecting shoots for oviposition. The consequences of ovipositing selectively on intact, large shoots of P. suberosa are discussed from the view point of H. erato phyllis larval performance.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000400015	
Editor: 	Sociedade Brasileira de Zoologia	
Relação: 	10.1590/S0101-81751996000400015	
Formato: 	text/html	
Fonte: 	Revista Brasileira de Zoologia  v.13 n.4 1996	
Fonte: 	info:eu-repo/semantics/openAccess