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Revista Brasileira de Entomologia

Print version ISSN 0085-5626On-line version ISSN 1806-9665


SILVA, Flávia A.C.  and  PANIZZI, Antônio R.. The adequacy of artificial oviposition substrates for laboratory rearing of Piezodorus guildinii (Westwood) (Heteroptera, Pentatomidae). Rev. Bras. entomol. [online]. 2008, vol.52, n.1, pp.131-134. ISSN 0085-5626.

Studies in the laboratory tested the suitability of synthetic wool string, cotton string, cheesecloth, and commercial cotton ball as artificial oviposition substrates for the small green stink bug, Piezodorus guildinii (Westwood) (Heteroptera, Pentatomidae). In confined cages, 54% of total egg masses was laid on synthetic wool string, 31% on cotton string, and only 15% on cheesecloth. In an additional test, the best substrate selected, synthetic wool string, received 92% of egg masses compared to 8% on the commonly used substrate, cotton ball. Synthetic wool string received the most egg masses of any size, in particular those in the range 11-20 eggs/mass. Because the eggs of P. guildinii are laid in two parallel double rows, the egg masses fit the wool string perfectly.

Keywords : Egg deposition; Insecta; insect rearing.

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