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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Female-mediated differential sperm storage in a fly with complex spermathecae,Scatophaga stercoraria

Article Abstract:

The proportion of a second male's stored sperm in singlet and doublet spermathecae of the yellow dung fly, Scatophaga stercoraria is examined. The aim was to determine if multiple spermathecae are used for differential sperm storage in copulation and if S2 values are modified after copulation. The results suggest differential storage of sperm from different males during copulation and that female muscular activity affects storage and separation of competing ejaculates.

Author: Hellriegel, Barbara, Bernasconi, Giorgina
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2000
Behavior, Flies, Diptera

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Sampling bias and fluctuating asymmetry

Article Abstract:

Scientific collections at museums provide important material for comparative analyses of the patterns of fluctuating asymmetry and also measurable variation in morphological traits if proper attention is paid to the information supplied with each specimen. In behavioral ecology, fluctuating asymmetry is increasingly being used as an empirical measure of individual quality and or the intensity and nature of selection on morphological traits.

Author: Manning, J.T., Simmons, L.W., Tomkins, J.L.
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
Analysis, Usage, Science museums, Samples (Merchandising), Samples (Products), Morphology (Animals), Animal morphology

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Fluctuating asymmetry in Scatophaga stercoraria L.: successful males are more symmetrical

Article Abstract:

The difference in competitive ability of the yellow-dung fly results in fluctuating asymmetry. Females tend to prefer the most symmetrical males, whose higher competitive ability leads to a higher pairing rate. The variation in the level of fluctuating asymmetry throws light on sexual and non-sexual components of fitness. The difference in the right and left tibia of the wings helps in the calculation of absolute asymmetry.

Author: Liggett, A.C., Harvey, I.F., Manning, J.T.
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1993
Animal behavior

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Subjects list: Research
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