Protogyny in diamondback moth, Plutella xylostella (Lepidoptera: Yponomeutidae)

This study was carried out to clarify protogyny in the Diamondback Moth, Plutella xylostella. Pupae were collected from cabbage fields in Miyazaki, southern Japan, from 23 January to 7 July 1990. They were kept in chambers controlled at 20°C, 14L-10D, to measure the number of days until adult emerge...

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Published inJapanese Journal of Applied Entomology and Zoology Vol. 41; no. 4; pp. 217 - 223
Main Authors Uematsu, H. (Miyazaki Univ. (Japan). Faculty of Agriculture), Morikawa, R
Format Journal Article
LanguageJapanese
Published JAPANESE SOCIETY OF APPLIED ENTOMOLOGY AND ZOOLOGY 01.11.1997
Subjects
ADULTE
ADULTOS
ADULTS
development time
ECOLOGIA
ECOLOGIE
ECOLOGY
GROWTH PERIOD
PERIODE DE CROISSANCE
PERIODO DE CRECIMIENTO
PLUTELLA XYLOSTELLA
protogyny
PUPAE
PUPAS
PUPE
SEX
SEXE
SEXO
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ISSN0021-4914
1347-6068
1347-6068
DOI10.1303/jjaez.41.217

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Summary:This study was carried out to clarify protogyny in the Diamondback Moth, Plutella xylostella. Pupae were collected from cabbage fields in Miyazaki, southern Japan, from 23 January to 7 July 1990. They were kept in chambers controlled at 20°C, 14L-10D, to measure the number of days until adult emergence (NDAE). The NDAE ranged from 1 to 8 days. Median NDAE in females were 1 or 2 days shorter than in males. Females always developed faster than males in rearing experiments at three constant temperatures and two fluctuating ambient temperatures. The results suggest the occurrence of seasonal protogyny in the Diamondback Moth. The significance of protogyny is discussed.
Bibliography:L72
1998002286
ObjectType-Article-2
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ISSN:0021-4914
1347-6068
1347-6068
DOI:10.1303/jjaez.41.217