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Preliminary observa...
Preliminary observations of sperm storage in Adalia bipunctata (Coleoptera : Coccinellidae): sperm size and number
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- Arnaud, Ludovic (författare)
- Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science
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Spinneux, Y (författare)
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Haubruge, E (författare)
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(creator_code:org_t)
- Japanese Society of Applied Entomology & Zoology, 2003
- 2003
- Engelska.
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Ingår i: Applied Entomology and Zoology. - : Japanese Society of Applied Entomology & Zoology. - 1347-605X .- 0003-6862. ; 38:3, s. 301-304
- Relaterad länk:
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http://dx.doi.org/10...
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https://www.jstage.j...
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Abstract
Ämnesord
Stäng
- Sperm storage in Adalia bipunctata (L.) (Coleoptera, Coccinellidae) was examined and compared between diapausing and non-diapausing females. We observed that non-diapausing females store on average 13,688 (+/-722, S.E.) sperm in their spermatheca and that every female examined had sperm in storage (n = 16). In contrast, most diapausing females had empty spermatheca and only two had sperm in storage (n = 15). Mean sperm number in diapausing females was 250 (+/-112, S.E.). The mean length of the spermatozoa stored by non-diapausing females was 2,068.5 mum (+/-9.8, S.E.), ranging from 1,530.8 to 3,171.7 mum. Sperm length in diapausing females was only measurable in one female and was of 2,102.9 mum (+/-22.4, S.E.).
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- spermatheca
- diapause
- two-spot ladybird
- Coleoptera
- Coccinellidae
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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