Egg Diapause in the Oriental Chinch Bug, Cavelerius saccharivorus OKAJIMA (Heteroptera : Lygaeidae) I. Incidence and Intensity

The eggs of Cavelerius saccharivorus laid by 2nd- and 3rd-generation females from late October to early February were incubated at various temperatures. Those laid in late October and early November showed delayed development at a high temperature of 27°C. This gradually disappeared as eggs were lai...

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Published inApplied Entomology and Zoology Vol. 18; no. 3; pp. 382 - 391
Main Authors HOKYO, Nobuhiko, SUZUKI, Hiroshi, MURAI, Minoru
Format Journal Article
LanguageEnglish
Published Tokyo JAPANESE SOCIETY OF APPLIED ENTOMOLOGY AND ZOOLOGY 1983
Japanese Society of Applied Entomology and Zoology
Subjects
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Insecta
Invertebrates
Life cycle. Embryology. Development
Lygaeidae
Physiology. Development
Heteroptera
Temperature
Pest
Arthropoda
Insecta
Diapause
Invertebrata
Sugar plant
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Summary:The eggs of Cavelerius saccharivorus laid by 2nd- and 3rd-generation females from late October to early February were incubated at various temperatures. Those laid in late October and early November showed delayed development at a high temperature of 27°C. This gradually disappeared as eggs were laid later in the adult life, and most eggs laid in mid-November or later showed nondiapause development at 27°C. However, even eggs developing without delay at 27°C entered diapause at a lower temperature higher (15-20°C) than the developmental zero. The egg diapause thus induced was readily terminated by a high temperature (27°C).
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0003-6862
1347-605X
DOI:10.1303/aez.18.382