Oviposition behavior of Neomegalotomus parvus (West.) (Hemiptera: Alydidae): daily rhythm and site choice

Neomegalotomus parvus (West.) behavior related to choosing crevices of pigeon pea, Cajanus cajan (L.) Millsp., pods to lay eggs were studied. Blocking antennae, tarsi, eyes, abdomen, or all structures simultaneously, did not affect the site of the pod (crevices) chosen to lay eggs. Oviposition occur...

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Bibliographic Details
Published in:Anais da Sociedade Entomológica do Brasil 2000-09, Vol.29 (3), p.391-400
Main Authors: Ventura, Maurício U., Panizzi, Antônio R.
Format: Article
Language:English
Subjects:
AGRICULTURE, MULTIDISCIPLINARY
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Summary:Neomegalotomus parvus (West.) behavior related to choosing crevices of pigeon pea, Cajanus cajan (L.) Millsp., pods to lay eggs were studied. Blocking antennae, tarsi, eyes, abdomen, or all structures simultaneously, did not affect the site of the pod (crevices) chosen to lay eggs. Oviposition occurred mainly in the afternoon. Most eggs were laid from 4 to 6 pm. Females moved antennae alternately up and down. Dabbing/antennation was accomplished, first with antennae and then with antennae and labial tip and the ovipositor was exposed and swept over the surface of the pod, leading to oviposition. Eggs were held together with an adhesive substance. Mechanoreceptors were observed on the ovipositor.
ISSN:1981-5328
DOI:10.1590/S0301-80592000000300002