Abstract

Sclerolobium paniculatum Vogel (Leguminosae: Caesalpinioideae) is a plant common in the forests of the Amazon, can still be found in forest fragments and also near to urban area. Adults and nymphs of Poekilloptera phalaenoides (Linnaeus, 1758) (Hemiptera: Auchenorrhyncha: Flatidae) were found colonizing S. paniculatum in Sinop, Mato Grosso State, Brazil, during the months of June and July 2012. This is the first record of this insect in the municipality of Sinop and on plants of S. paniculatum which can be considered a new host plant for this species, which can be considered as a new host plant for this insect due to the fact been observed all stages of the life cycle of P. phalaenoides.