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Neotropical Entomology

Print version ISSN 1519-566X

Abstract

PANIZZI, Antônio R.; OLIVEIRA, Lenita J.  and  SILVA, Jovenil J.. Survivorship, larval development and pupal weight of Anticarsia gemmatalis (Hübner) (Lepidoptera: Noctuidae) feeding on potential leguminous host plants. Neotrop. Entomol. [online]. 2004, vol.33, n.5, pp. 563-567. ISSN 1519-566X.  http://dx.doi.org/10.1590/S1519-566X2004000500004.

In Brazil, the velvetbean caterpillar Anticarsia gemmatalis Hübner is multivoltine. Several overlapping generations occur with larvae feeding on alternate host plants in areas of warmer temperatures. In this study, the survivorship and development of A. gemmatalis larvae were evaluated on 17 species of cultivated and non-cultivated legumes in laboratory conditions. Larval survivorship on summer legumes varied from 91% on soybean to 5% on showy crotalaria and on velvetbean. On winter legumes, survivorship of A. gemmatalis larvae varied from 90% on white lupin to 25% on common vetch. All larvae fed on yellow lupin died during early development. On non-cultivated summer legumes, 70% of the larvae on Indigofera suffruticosa Millsp., and 55% on I. truxillensis H.B.K. and I. endecaphylla Jacq. reached the pupal stage. Based on survivorship, larval development and pupal weight, the most suitable legumes for A. gemmatalis were soybean, pigeon pea, and white lupin.

Keywords : Insecta; velvetbean caterpillar; host plant; legume; soybean; Glycine max.

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