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Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae)
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| Veröffentlicht in: | Journal of insect science 14(2014), Seite 789-809 |
|---|---|
| Personen und Körperschaften: | , |
| Titel: | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae)/ Andra Thiel; Anne C. Weeda |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2014
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| Gesamtaufnahme: |
: Journal of insect science, 14(2014), Seite 789-809
, volume:14 |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 245 | 1 | 0 | |a Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) |c Andra Thiel; Anne C. Weeda |
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| 520 | |a Because the quality of mating partners varies, females of several taxa have evolved the ability to discriminate against low-quality mates. Although males in the Hymenoptera are usually haploid, diploid males may occur in species with complementary sex determination. Diploid males are almost always sterile in most of the species studied so far. They are thus of very low quality as mating partners, especially when females mate only once in life. We hypothesize that hymenopteran females might have evolved the ability to discriminate against infertile diploid males and avoid mating with them. To test this hypothesis, we studied diploid male fitness in the parasitoid wasp Bracon brevicornis Wesmael (Hymenoptera: Braconidae) by measuring survival rate and fertility and then estimated their chances of actually mating with a female. Flow cytometry was used to determine the ploidy level of wasps. The fitness costs of mating a diploid male are indeed high in this species: only 15% were able to sire daughters, of which 97% were triploid and hardly able to produce viable offspring. In contrast to the hypothesis of unsuitable mate discrimination though, no evidence was found for increased rejection of diploid males by females. Male discrimination against an unsuitable partner did also not occur: triploid females elicited the same intensity of courtship behavior in males than did diploid ones. | ||
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| author | Thiel, Andra, Weeda, Anne C. |
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| contents | Because the quality of mating partners varies, females of several taxa have evolved the ability to discriminate against low-quality mates. Although males in the Hymenoptera are usually haploid, diploid males may occur in species with complementary sex determination. Diploid males are almost always sterile in most of the species studied so far. They are thus of very low quality as mating partners, especially when females mate only once in life. We hypothesize that hymenopteran females might have evolved the ability to discriminate against infertile diploid males and avoid mating with them. To test this hypothesis, we studied diploid male fitness in the parasitoid wasp Bracon brevicornis Wesmael (Hymenoptera: Braconidae) by measuring survival rate and fertility and then estimated their chances of actually mating with a female. Flow cytometry was used to determine the ploidy level of wasps. The fitness costs of mating a diploid male are indeed high in this species: only 15% were able to sire daughters, of which 97% were triploid and hardly able to produce viable offspring. In contrast to the hypothesis of unsuitable mate discrimination though, no evidence was found for increased rejection of diploid males by females. Male discrimination against an unsuitable partner did also not occur: triploid females elicited the same intensity of courtship behavior in males than did diploid ones. |
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| spelling | Thiel, Andra 1973- VerfasserIn (DE-588)129082139 (DE-627)707150353 (DE-576)297484494 aut, Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) Andra Thiel; Anne C. Weeda, 2014, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, Because the quality of mating partners varies, females of several taxa have evolved the ability to discriminate against low-quality mates. Although males in the Hymenoptera are usually haploid, diploid males may occur in species with complementary sex determination. Diploid males are almost always sterile in most of the species studied so far. They are thus of very low quality as mating partners, especially when females mate only once in life. We hypothesize that hymenopteran females might have evolved the ability to discriminate against infertile diploid males and avoid mating with them. To test this hypothesis, we studied diploid male fitness in the parasitoid wasp Bracon brevicornis Wesmael (Hymenoptera: Braconidae) by measuring survival rate and fertility and then estimated their chances of actually mating with a female. Flow cytometry was used to determine the ploidy level of wasps. The fitness costs of mating a diploid male are indeed high in this species: only 15% were able to sire daughters, of which 97% were triploid and hardly able to produce viable offspring. In contrast to the hypothesis of unsuitable mate discrimination though, no evidence was found for increased rejection of diploid males by females. Male discrimination against an unsuitable partner did also not occur: triploid females elicited the same intensity of courtship behavior in males than did diploid ones., Weeda, Anne C. VerfasserIn aut, Enthalten in Journal of insect science Tucson, Ariz. : Univ of Arizona, 2001 14(2014), Seite 789-809 Online-Ressource (DE-627)330080814 (DE-600)2049098-7 (DE-576)281204217 1536-2442 nnns, volume:14 year:2014 pages:789-809, http://dx.doi.org/10.1093/jisesa/ieu153 Resolving-System kostenfrei Volltext, http://dx.doi.org/10.1093/jisesa/ieu153 LFER, LFER 2019-07-22T00:00:00Z |
| spellingShingle | Thiel, Andra, Weeda, Anne C., Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae), Because the quality of mating partners varies, females of several taxa have evolved the ability to discriminate against low-quality mates. Although males in the Hymenoptera are usually haploid, diploid males may occur in species with complementary sex determination. Diploid males are almost always sterile in most of the species studied so far. They are thus of very low quality as mating partners, especially when females mate only once in life. We hypothesize that hymenopteran females might have evolved the ability to discriminate against infertile diploid males and avoid mating with them. To test this hypothesis, we studied diploid male fitness in the parasitoid wasp Bracon brevicornis Wesmael (Hymenoptera: Braconidae) by measuring survival rate and fertility and then estimated their chances of actually mating with a female. Flow cytometry was used to determine the ploidy level of wasps. The fitness costs of mating a diploid male are indeed high in this species: only 15% were able to sire daughters, of which 97% were triploid and hardly able to produce viable offspring. In contrast to the hypothesis of unsuitable mate discrimination though, no evidence was found for increased rejection of diploid males by females. Male discrimination against an unsuitable partner did also not occur: triploid females elicited the same intensity of courtship behavior in males than did diploid ones. |
| swb_id_str | 9873162364 |
| title | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) |
| title_auth | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) |
| title_full | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) Andra Thiel; Anne C. Weeda |
| title_fullStr | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) Andra Thiel; Anne C. Weeda |
| title_full_unstemmed | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) Andra Thiel; Anne C. Weeda |
| title_in_hierarchy | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) / Andra Thiel; Anne C. Weeda, |
| title_short | Haploid, diploid, and triploid--discrimination ability against polyploid mating partner in the parasitic wasp, Bracon brevicornis (Hymenoptera: Braconidae) |
| title_sort | haploid diploid and triploid discrimination ability against polyploid mating partner in the parasitic wasp bracon brevicornis hymenoptera braconidae |
| url | http://dx.doi.org/10.1093/jisesa/ieu153 |