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97 results for “polistes wasps”
Data from: Queen succession conflict in the paper wasp Polistes dominula is mitigated by age-based convention
Reproduction in cooperative animal groups is often dominated by one or a few individuals, with the remaining group members relegated to non-reproductive helping roles. This reproductive skew can evolve if helpers receive fitness benefits such as potential future inheritance of the breeding position, but the mechanisms by which inheritance is determined are not well resolved. <i>Polistes</i> paper wasps form highly reproductively skewed groups and inheritance of the breeding position is likely to play a key role in the maintenance of this social structure, making them excellent models for the processes by which simple societies are maintained. Reproductive succession is thought to be determined via an age-based convention in some <i>Polistes</i> species, but there is also evidence for contest-based succession systems in which the replacement queen uses physical aggression to overpower and thereby subordinate her nestmates. Here we provide evidence that queen succession in colonies of the European paper wasp <i>Polistes dominula</i> is determined via convention rather than contest, with little disruption to the colony's social functioning. We use queen removal experiments and fine-scale behavioral analyses to confirm that age is a strong predictor of succession, and that behavioral responses to queen removal are restricted to the oldest individuals rather than being experienced equally across the group. We provide the most comprehensive and detailed experimental analysis on the dynamics of breeder succession in a cooperatively breeding invertebrate to date, thereby shedding light on the mechanisms by which animal societies are able to maintain cohesion in the face of within-group conflict.
Figs. 9–10. Polistes affinis. 9 in Notes on the paper wasp genus Polistes (Polistella) (Hymenoptera: Vespidae: Polistinae) from the northern part of Vietnam with description of males and nests
Figs. 9–10. Polistes affinis. 9, Female habitus; 10, Nest.
119 chromatograms (GC-FID) of the cuticular hydrocarbons of four Polistes paper wasp species (Hymenoptera: Vespidae: Polistinae)
<p><span>This dataset includes gas chromatography coupled flame ionization detection (GC-FID) data containing cuticular hydrocarbon peaks sampled by whole body hexane washes of female and male adult paper wasps: <em>Polistes dominula</em> (22 female, 3 male), <em>Polistes exclamans</em> (14 female, 24 male), <em>Polistes fuscatus</em> (22 female, 18 male), <em>Polistes metricus</em> (10 female, 6 male).</span></p> <p><span></span></p>
Facial color diversity of Polistes paper wasps
<p><em>Polistes</em> paper wasps (Hymenoptera: Vespidae) are species-rich group of social insects. Researchers have noted a wide diversity in facial color patterns among species, and for several <em>Polistes</em> species, intraspecific variation in facial color patterns has been linked to signals of quality or individual identity. However, there have been no systematic descriptions of facial color pattern variation across the <em>Polistes</em> genera, limiting our understanding of the frequency of facial color patterns, how unique patterns are among species, and the degree of variation in facial color patterns within species. We photographed pinned museum specimens under visible and ultraviolet (UV) light. When few specimens were available, we included additional photos from iNaturalist, a database of citizen scientist images, resulting in a final dataset of 1,675 images from 131 species. For each species, we provide an image of a representative female face, as well as information on intraspecific variation in female facial color patterns, and sexual dimorphism of facial color patterns, when available. Facial color patterns were common across species and were composed of a mixture of yellow, red-brown, and black pigments. Patterns were similar in visible and UV images. Spectral sensitivity curves for yellow, red-brown, and black pigmented regions have a similar shape for all <em>Polistes</em> species measured. Males frequently had yellow faces, and yellow male faces were correlated with sexual dimorphism. Intraspecific variation in female faces was common. Descriptions of facial color variation in <em>Polistes</em> will be vital to study the mechanisms driving interspecific and intraspecific diversity.</p>
Data for: Morphometric parameters in males of the social wasp Polistes simillimus
<p class="MsoNormal"><span>Sperm competition and male mating rate are two non-mutually exclusive key evolutionary pressures selecting for larger testes within and across animal taxa. A few studies have tried to disentangle their effects (e.g., testing the role of mating rate in the absence of sperm competition). Under the mating rate hypothesis, </span><span>particular phenotypes of a given population which are expected to gain more mates (e.g. more ornamented males) are expected to make higher investment in testes size (a proxy for sperm production).</span><span> We test this prediction in <em>Polistes simillimus, </em>a neotropical paper wasp in which females are single-mated (no sperm competition) and males can mate with multiple partners. According to linear mixed model analyses, </span><span>testes size was predicted by body size (positive association), sexual ornamentation (negative association), and their interaction (among small males, testes size was positively related to ornamentation but the opposite pattern was observed among large males). We propose that small-bodied well-ornamented males may face the highest risk of sperm depletion. Nevertheless, small-bodied males make relatively higher investment in testes size when sexy (more ornamented). This strategy might be less profitable to large males, as they have overall larger testes. Our results provide strong evidence for the mating rate hypothesis.</span></p>
Data from: Solar panels as novel nest sites for the European paper wasp Polistes dominula
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Facial color diversity of Polistes paper wasps
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Data for: Morphometric parameters in males of the social wasp Polistes simillimus
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Data from: Queen succession conflict in the paper wasp Polistes dominula is mitigated by age-based convention
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119 chromatograms (GC-FID) of the cuticular hydrocarbons of four Polistes paper wasp species (Hymenoptera: Vespidae: Polistinae)
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FIGURES 6–10 in Contribution to the taxonomy of the paper wasp genus Polistes (Polistella) (Hymenoptera: Vespidae: Polistinae) from Vietnam, with description of a new species
FIGURES 6–10. Polistes caobangensis, new species, male: 6. Head, frontal view. 7. Part of head with left antenna. Genitalia. 8. Inner aspect of paramere with digitus and volsella. 9, 10. Aedeagus. (9. Ventral and 10. Lateral view). Scale 1mm.
FIGURES 11–20 in Contribution to the taxonomy of the paper wasp genus Polistes (Polistella) (Hymenoptera: Vespidae: Polistinae) from Vietnam, with description of a new species
FIGURES 11–20. Characters of Polistes species from Vietnam. 11–15. Polistes gilvus, male. 11. Head, frontal view. 12. Left antenna. Genitalia. 13. Inner aspect of paramere with digitus and volsella. 14, 15. Aedeagus. (14. Ventral and 15. Lateral view). 16–20. Polistes brunus, male. 16. Head, frontal view. 17. Left antenna. Genitalia. 18. Inner aspect of paramere with digitus and volsella. 19, 20. Aedeagus. (19. Ventral and 20. Lateral view). Scale 1mm.
Data from: Genetic structure of an introduced paper wasp, Polistes chinensis antennalis (Hymenoptera, Vespidae) in New Zealand
Several eusocial wasps are prominent invaders to remote islands. The paper wasp Polistes chinensis antennalis is native to East Asia, was introduced to New Zealand in 1979, and has expanded its distribution there. This provides an excellent opportunity to examine the impacts of an initial bottleneck and subsequent expansion on genetic structure. We analysed and compared the genetic population structures of the native (Japan and South Korea) and invasive New Zealand populations. Although 94% of individuals had shared haplotypes detected across both populations, the remaining 6% had private haplotypes identified in only one of the three countries. The genetic variation at microsatellite loci was lower in New Zealand than in native countries, and the genetic structure in New Zealand was clearly distinct from that in its native range. Higher frequencies of diploid male and triploid female producing colonies were detected in New Zealand than in the native countries, showing the reduction of genetic variation via a genetic bottleneck. At least two independent introductions were suggested, and the putative source regions for New Zealand were assigned as Kanto (central island) and Kyushu (south island) in Japan. Serial founder events following the initial introduction were also indicated. The estimated dispersal distance between mother and daughter in New Zealand was twice that in Japan. Thus, the introduction history of P. chinensis antennalis in New Zealand is likely the result of at least two independent introductions, passing through a bottleneck during introduction, followed by population expansion from the point of introduction.
Data from: A new species of the paper wasp genus Polistes (Hymenoptera, Vespidae, Polistinae) in Europe revealed by morphometrics and molecular analyses
We combine multivariate ratio analysis (MRA) of body measurements and analyses of mitochondrial and nuclear data to examine the status of several species of European paper wasps (Polistes Latreille, 1802) closely related to P. gallicus. Our analyses unambiguously reveal the presence of a cryptic species in Europe, as two distinct species can be recognized in what has hitherto been considered Polistes bischoffi Weyrauch, 1937. One species is almost as light coloured as P. gallicus, and is mainly recorded from Southern Europe and Western Asia. The other species is darker and has a more northern distribution in Central Europe. Both species occur syntopically in Switzerland. Given that the lost lectotype of P. bischoffi originated from Sardinia, we selected a female of the southern species as a neotype. The northern species is described as P. helveticus sp. n. here. We also provide a redescription of P. bischoffi rev. stat. and an identification key including three more closely related species, P. biglumis, P. gallicus and P. hellenicus.
FIGURE 89 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURE 89. Distribution records of the 13 Polistes species of subgenus Polistella with a basally strongly swollen second metasomal sternum in Vietnam.
FIGURES 85–88 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURES 85–88. Nests of Polistes species of subgenus Polistella occurring in northern Vietnam. 85. P. dawnae (Nest# 2009-DB-P-01). The thick and thin arrows indicate the position of the primary petiole and the subsidiary petioles, respectively. 86. P. l e p c h a (Nest# VN-P-2006-3). 87. P. reliciniclypeus sp. nov. (Nest# VN-P-2006-13). 88. P. gilvus sp. nov. (Nest# 2008-SL-P-1).
FIGURES 75–84 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURES 75–84. Characters of Polistes species of subgenus Polistella occurring in northern Vietnam. 75–80. 3. 81– 84. Ƥ. 75, 77, 79. P. mandarinus. 76, 78, 80. P. nipponensis. 81, 83. P. adustus. 82, 84. P. nigerrimus. 75–76, 81. Head, frontal view. 77–78. terminal sterna, lateral view. 79–80. Aedeagus, lateral view. 82. Head, lateral view. 83–84. Metasomal segments 1 and 2 in lateral view. Scale 1 mm.
FIGURES 68–74 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURES 68–74. Polistes (Polistella) clandestinus sp. nov., 3. 68. Head, frontal view. 69. Left antenna. 70–71. Terminal sterna. 70. Ventral view. 71. Apical part, lateral view. 72. Inner aspect of paramere with digitus and volsella. 73–74. Aedeagus. 73. Ventral view. 74. Lateral view. Scale 1 mm.
FIGURES 47–53 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURES 47–53. Polistes (Polistella) curcipunctum sp. nov.,. 47. Ocelli, eye and posterior margin of vertex. 48–49. Head. 48. Frontal view. 49. Lateral view. 50. Right antenna. 51. Mesosoma, lateral view. 52. Jugal lobe of left hind wing. 53. Metasomal segments 1 and 2, lateral view. Scale 1 mm.
FIGURES 42–46 in Polistes (Polistella) wasps (Hymenoptera: Vespidae: Polistinae) from mountainous areas of northern Vietnam, with description of five new species
FIGURES 42–46. Polistes (Polistella) paco sp. nov., Ƥ. 42. Ocelli, eye and posterior margin of vertex. 43–44. Head. 43. Frontal view. 44. Lateral view. 45. Right antenna. 46. Metasomal segments 1 and 2, lateral view. Scale 1 mm.
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