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Anais da Sociedade Entomológica do Brasil

Print version ISSN 0301-8059On-line version ISSN 1981-5328


CIVIDANES, Francisco J.  and  CARVALHO, Diogo R.. Degree-day model for predicting the occurrence of nymphs and adults of Piezodorus guildinii (West.) (Heteroptera: Pentatomidae) in soybean. An. Soc. Entomol. Bras. [online]. 2000, vol.29, n.2, pp.269-275. ISSN 0301-8059.

This study was carried out at the Universidade Estadual Paulista, Jaboticabal Campus, SP, during the 1995/96 and 1996/97 growing seasons, aiming to predict the occurrence of nymphs and adults of Piezodorus guildinii (West.), using a degree-day model. The day when egg masses and adults of the stink bug were first observed in soybean plants was used as the biofix point. The prediction of populational peaks of adults of P. guildinii was more accurate than for occurrence of nymphs.

Keywords : Insecta; thermal requirements; temperature; Glycine max.

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