aspectos biológicos de sceloenopla bidens, praga de filodendros biological aspects of sceloenopla bidens, pest of philodendron spp.

Clicks: 257
ID: 248461
1991
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Abstract
Há cerca de dez anos vem sendo observada a presença de Sceloenopla bidens (F., 1792) (Coleoptera: Chrysomelidae: Hispinae) em folhas de Philodendron spp., em Campinas e outras localidades paulistas. O adulto permanece na face inferior das folhas, onde se alimenta, causando injúrias características. As larvas criam-se nas folhas, minando-as e comprometendo o aspecto ornamental da planta. Em condições de laboratório, o desenvolvimento do inseto desde ovo até emergência do adulto durou aproximadamente 48 dias. Em Campinas, efetuaram-se observações de seus danos na Floricultura Campineira, em cinco espécies de filodendros presentes - P. melinoni, P. bipinnatifidum, P. erubescens, P. selhom e P. wilsoni e no parque do Instituto Agronômico (IAC), onde a maioria das espécies não se encontra identificada. Em ambos os locais, verificou-se comportamento diferenciado de algumas espécies de filodendros em relação a S. bidens. Não se observou sua alimentação ou presença em outras epífitas dessa família (Araceae), situadas próximo a filodendros infestados, sugerindo possível especificidade da espécie com o gênero Philodendron.
The occurrence of Sceloenopla bidens (F., 1792) (Coleoptera: Chrysomelidae: Hispinae) on Philodendron spp. has been observed in Campinas and other cities of the State of São Paulo, Brazil. The adults stay in the lower surface of the leaves, where they feed, causing typical leaf injury. The larvae are leaf miners and, therefore, impair the ornamental effect of the plant. Under laboratory conditions, the insect development from egg to adult emergence lasted 48 days. In the philodendron germplasm of the Instituto Agronômico, a variation of performance among the species in relation to injury caused by this insect was verified. Two species showed leaves without damage, adults or larvae while others, as P. renauxii, exhibited highly damaged leaves and many adults. The presence or feeding of S. bidens in other epiphytes of the Araceae family, which were near the infested philodendrons, was not observed. This fact suggests that this species may be specific to the Philodendron genus.
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Authors ;André Luiz Lourenção;Cesar Pagotto Stein;Luiz Antônio Ferraz Matthes
Journal revista espanola de salud publica
Year 1991
DOI
10.1590/S0006-87051991000100008
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051991000100008
Keywords
Agriculture (General) coleoptera insecta

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