Phenology and biology of the Dung beetle Onthophagus hirculus Mannerheim (Coleoptera: Scarabaeidae)

被引:0
|
作者
Gonzalez-Vainer, P [1 ]
Morelli, E [1 ]
机构
[1] Fac Ciencias, Secc Entomol, Montevideo 11400, Uruguay
来源
COLEOPTERISTS BULLETIN | 1999年 / 53卷 / 04期
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中图分类号
Q96 [昆虫学];
学科分类号
摘要
The seasonal activity of Onthophagus hirculus Mannerheim in a natural prairie of Uruguay was studied using physiological age-grading techniques. This beetle is a bivoltine species, active from spring to autumn. At 22 degrees C the mean development time from egg to adult was 44 days. Females start laying 25-30 days after emergence. During their lifetime, females lay 4.3 +/- 1.25 eggs (n = 10), each in its respective brood mass. The lifespan of females under laboratory conditions is 74.3 +/- 10.28 days (n = 10).
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页码:303 / 310
页数:8
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