| The effect of the presence of quiescent female nymphs, males and their spermatophores on spermatophore placement in two species of eriophyoid mites. | |
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MedLine Citation:
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PMID: 23329154 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Under sex dissociated sperm transfer, females seek spermatophores and pick up sperm without male assistance. In several species males adjust spermatophore deposition rate to the presence of conspecifics. It is not known, however, which factors could favor such elasticity in non-pairing males. In this paper, we compare male response towards conspecifics between the sex dissociated eriophyoid mites Aculus fockeui (Nalepa and Trouessart) and Aculops allotrichus (Nalepa). The species differ significantly in male reproductive strategies and, consequently, the intensity of male-male-competition. Aculus fockeui males deposit spematophores all over the leaves and occasionally leave single spermatophores beside quiescent female nymphs (QFNs). In contrast, A. allotrichus males guard QFNs and encircle them with spermatophores. In this study, males of both species deposited spermatophores close to and apart from the rival spermatophores. Aculops allotrichus males had similar spermatophore output whether they were kept alone or in a group of seven males. They did not change spermatophore output in the presence of five rival spermatophores, a QFN or a QFN and varying number of rivals, either. In contrast, A. fockeui males increased spermatophore output in the presence of rival spermatophores or when on the arena with a QFN the male number increased to eight males. They did not respond, however, to the presence of a QFN and one rival or a QFN alone. The possible effect of the species-specific intensity of male-male competition, population density, the availability of receptive females and the rate of spermatophore output on the flexibility of eriophyoid spermatophore deposition is discussed. |
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Authors:
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Katarzyna Michalska; Marcin Studnicki |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-18 |
Journal Detail:
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Title: Experimental & applied acarology Volume: - ISSN: 1572-9702 ISO Abbreviation: Exp. Appl. Acarol. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8507436 Medline TA: Exp Appl Acarol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Applied Entomology, Warsaw University of Life Sciences, Nowoursnowska 159, 02-776, Warsaw, Poland, katarzyna_michalska@sggw.pl. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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