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Aspectos biológicos, morfológicos e comportamentais de adultos de Podisus sculptus Distant (Heteroptera, Pentatomidae)

Biological, morphological and behavioral aspects of Podisus sculptus Distant adults (Heteroptera, Pentatomidae)

Resumo

Some biological, morphological and behavioral aspects of adults Podisus sculptus Distant, 1889 (Heteroptera, Pentatomidae) fed with Bombyx mori Linnaeus, 1758 (Lepidoptera, Bombycidae) (fourth and fifth instar caterpillars) and Tenebrio molilor Linnaeus, 1758 (Coleoptera, Tenebrionidae) (third and fourth instar caterpillars) were studied and no differences were found between these two preys. Average values for the parameters studied were: period of pre-oviposition (6.14 days), oviposition (8.57 days) and pos-oviposition (3.57 days); number of eggs/female (97.71); number of postures/female (3.96); female weight (68.90mg) and male weight (47.43mg). Podisus sculptus has brownish color, and four yellow spots in the scutelum: one close to the head and three across the elitra near the pronotum. Matings were more frequent between 15 and 19 hours and the male search for the female which showed movements of antennae. This insect showed cannibalism only in high population density and shortage of food.

Heteroptera; Podisus sculptus; behavior; biological aspects; morphology


Heteroptera; Podisus sculptus; behavior; biological aspects; morphology

Aspectos biológicos, morfológicos e comportamentais de adultos de Podisus sculptus Distant (Heteroptera, Pentatomidae)

Biological, morphological and behavioral aspects of Podisus sculptus Distant adults (Heteroptera, Pentatomidae)

Eduardo Cândido do Nascimento; José Cola Zanuncio; Eliane Menin; Paulo Sérgio Fikza Ferreira

Departamento de Biologia Animal, Universidade Federal de Viçosa. 36571-000 Viçosa, Minas Gerais, Brasil

ABSTRACT

Some biological, morphological and behavioral aspects of adults Podisus sculptus Distant, 1889 (Heteroptera, Pentatomidae) fed with Bombyx mori Linnaeus, 1758 (Lepidoptera, Bombycidae) (fourth and fifth instar caterpillars) and Tenebrio molilor Linnaeus, 1758 (Coleoptera, Tenebrionidae) (third and fourth instar caterpillars) were studied and no differences were found between these two preys. Average values for the parameters studied were: period of pre-oviposition (6.14 days), oviposition (8.57 days) and pos-oviposition (3.57 days); number of eggs/female (97.71); number of postures/female (3.96); female weight (68.90mg) and male weight (47.43mg). Podisus sculptus has brownish color, and four yellow spots in the scutelum: one close to the head and three across the elitra near the pronotum. Matings were more frequent between 15 and 19 hours and the male search for the female which showed movements of antennae. This insect showed cannibalism only in high population density and shortage of food.

Key words: Heteroptera, Podisus sculptus, behavior, biological aspects, morphology

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AGRADECIMENTOS. Ao Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), à Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG) e à Sociedade de Investigaçoes Florestais (SIF/UFV) pelo apoio para a realização deste trabalho. A Profa. Jocélia Grazia, do Departamento de Zoologia da Universidade Federal do Rio Grande do Sul, pela identificação de adultos de

Podisus sculptus.

Recebido em 30.VIII.1995; aceito em 02.VIII.1996.

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Datas de Publicação

  • Publicação nesta coleção
    16 Jul 2009
  • Data do Fascículo
    1996

Histórico

  • Aceito
    02 Ago 1996
  • Recebido
    30 Ago 1995
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