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Feeding and oviposition preference of Phyllophaga cuyabana (Moser) (Coleoptera: Melolonthidae) on several crops Neotropical Entomology
Oliveira,Lenita J.; Garcia,Maria A.; Hoffmann-Campo,Clara B.; Amaral,Maria L.B. do.
Laboratory and greenhouse experiments were carried out to study food and oviposition preference by Phyllophaga cuyabana (Moser) on different plant species as Cajanus cajan L. (pigeon pea), Crotalaria juncea L. (sun hemp), Crotalaria spectabilis Roth (showy crotalaria), Crotalaria ochroleuca G. Don (slenderleaf rattlebox), Glycine max [L.] Merrill (soybean), Gossypium hirsutum L. (cotton), Helianthus annuus L. (sunflower), Stizolobium aterrimum [Mucuna aterrima] Piper & Tracey (velvetbean) and Zea mays L. (mayze). In no-choice experiments, the number of eggs layed in sunflower, C. juncea and soybean was larger compared to cotton. Despite the fact that the adults did not discriminate among plants, in dual-choice test, the proportion of eggs layed and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scarabaeoidea; Soil pest; White grub; Host plant.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000500018
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Aggregation behavior of Phyllophaga cuyabana (Moser) (Coleoptera: Melolonthidae): relationships between sites chosen for mating and offspring distribution Neotropical Entomology
Garcia,Maria A.; Oliveira,Lenita J.; Oliveira,Maria C.N. de.
The aggregation behavior of Phyllophaga cuyabana (Moser) was studied and the hypothesis that the cluster distribution of larvae of this pest into the soil is related to the sites where females from the previous generation had aggregated for mating was investigated. Field observations and greenhouse experiments carried out in Londrina County, State of Paraná, South Brazil, indicated that: a) during flight, adult females of P. cuyabana select plants, which are more conspicuous for landing and/or attracting males; b) tall plants, nearby soybean fields, might be preferred because female adults do not move far from the mating sites before digging themselves into the soil to lay eggs; c) high density of eggs and larvae occurs close to the adult aggregation...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Glycine max; Scarabaeoidea; Soil pest; Spatial distribution.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000400002
Registros recuperados: 2
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