Variations in voltinism and diapause intensity in Nemobius sylvestris (Bosc.) (Orthoptera: Gryllidae)

Brown, VK.

Journal of Natural History 124: 461-472

1978


ISSN/ISBN: 0022-2933
DOI: 10.1080/00222937800770321
Accession: 017633854

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Abstract
Nemobius sylvestris (Bosc.) distribution is discussed. All active stages of the life cycle are in fallen leaves. A summary of its life cycle in Britain is presented. Eggs subjected to low temperatures (20.degree. C) develop and hatch more quickly the longer the exposure time. Occurrence and intensity of egg diapause was studied in relation to geographic variation. Hatching period in the field and nymphal development were also included.