More than one inseminated female in colonies of the independent-founding wasp Mischocyttarus cassununga von Ihering (Hymenoptera, Vespidae)

Murakami, André Sunao Nishiuchi; Shima, Sulene Noriko; Desuó, Ivan César

doi:10.1590/s0085-56262009000400017

Cited by 19 publications

(18 citation statements)

References 20 publications

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“…1D). Giannotti & Machado (1999) and Murakami et al (2009) also reported more than one inseminated female in colonies of P. lanio and M. cassununga, respectively. In fact, the presence of more than one inseminated female in the colony, capable of reproducing, is a common feature in independent-founding species, as is the case for Polistes and Mischocyttarus.…”

Section: Resultsmentioning

confidence: 94%

“…1) were found in females of this species: type A, filamentous ovarioles without visibly developed oocytes; type B, ovarioles containing some oocytes in the initial stage of development; type C, ovarioles with moderately developed oocytes, some in the final phase of vitellogenesis; and type D, well-developed, longer ovario-lopment were also the inseminated ones. However, Giannotti and Machado (1999), Gobbi et al (2006) and Murakami et al (2009) analyzed several independent founding species, Polistes lanio (Fabricius), P. versicolor and Mischocyttarus cassununga (von Ihering) among them, and found six, five and five ovarian development patterns, respectively.…”

Section: Resultsmentioning

confidence: 99%

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Reproductive Status of the social wasp Polistes versicolor (Hymenoptera, Vespidae)

Torres¹,

Sguarizi-Antonio²,

Lima³

et al. 2014

Sociobiology

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Introduction An important feature for the ecological success of social insects is the division of labor among individuals in their colonies (Wilson, 1985). For this reason, many investigators have devoted their efforts to elucidate the parameters that determine this division, especially the distinction and determination of the caste (Robinson, 1992; O'Donnell, 1995; O'Donnell, 1998). The subfamily Polistinae has characteristics that are important to understand how the social behavior has evolved in the wasps (Ross & Matthews, 1991). The degree of morphological differences among castes in this group can range from total absence (Richards, 1971; Strassmann et al., 2002) to sharp differences among castes (Jeanne, 1991). This, indeed, may be a key feature in the evolution of social insects, since the presence of wide differentiation among castes indicates a higher degree of sociality (Bourke, 1999). In the basal Polistinae such as Mischocyttarus and Polistes, females are distinguished by their behavior, dominance hierarchy, degree of ovarian development and/or their Abstract A fundamental feature in the evolution of social insects is the separation of castes, and the presence of wide differentiation between castes indicates a more advanced degree of sociability. In this study, we evaluated factors indicating the reproductive status of females in colonies of the social wasp Polistes versicolor. The reproductive status of each female was examined by measuring nine morphometric characters, by tracing the cuticular chemical profile, by evidence of insemination and by recording the relative age. We conclude that P. versicolor colonies present 3 female groups according to cuticular chemical profile difference. The first group is made of females with filamentous ovarioles, typical of workers; the second one is females with intermediate ovarioles; and the third group is the group of the queens, which are older females, already inseminated and with the greatest degree of ovarian development. No significant external morphological differences were found among these female groups. Therefore, despite the lack of significant morphological differences among females, there are other factors such as the chemical composition of the cuticula, which are indicative of the reproductive physiological condition of the female in the colony.

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Section: Resultsmentioning

confidence: 94%

Section: Resultsmentioning

confidence: 99%

Reproductive Status of the social wasp Polistes versicolor (Hymenoptera, Vespidae)

Torres¹,

Sguarizi-Antonio²,

Lima³

et al. 2014

Sociobiology

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“…The genus Mischocyttarus, Polistes and most part of the genus Ropalidia found nests by haplometrosis (only one female) or by pleometrosis (a group of females) (Jeanne, 1972;Richards, 1971Richards, , 1978. Colonies are usually characterized by absence of age polietism (Jeanne, 1980), the social hierarchy is established through behaviors of dominance and subordination (Richards, 1971(Richards, , 1978Jeanne, 1972;Noda et al, 2001;Prezoto et al, 2004;Murakami & Shima, 2006, 2010Costa-Filho et al, 2011;Oliveira et al, 2012), there are no morphological differentiation between female castes (Murakami et al, 2009) and all adult individuals show a plasticity on the social role in the colony (Richards, 1971;Jeanne, 1972;Cowan, 1991;Murakami & Shima, 2006, 2010Costa-Filho et al, 2011;Murakami et al, 2013).…”

Section: Research Article -Waspsmentioning

confidence: 99%

The Disappearance of Eggs and Larvae from the Nests of the Mischocyttarus (Monogynoecus) montei Zikán (Hymenoptera: Vespidae), Especially in Autumn and Winter: Can it Mean an Adaptive Cannibalism to Ensure the Survival of Colonies?

Murakami

Sakamoto²,

Shima

2016

Sociobiology

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The aim of this study was to verify the disappearance of eggs and larvae from the nests of the Mischocyttarus (Monogynoecus) montei, especially in autumn and winter, and at the same time, to discuss about the cannibalism as the main reason for survival of the colonies during the unfavorable climatic conditions. Forty one colonies were studied during the seasons of the year, period from March in 1999 to September 2000. A total of 314 disappearances of immature individuals was counted, corresponding to 95 eggs (27,1 %) and 229 larvae (72,9 %). The results showed that the disappearance of eggs and larvae were significantly higher during the autumn and winter . In addition, the disappearance rate of larvae increases with the falling of rainfall and of temperature, in autumn and winter. There were no relation between the disappearance of eggs and any climatic factors. From the total number of disappearances, small larvae disappeared from the cells at a higher frequency (55,9%, n = 128) than medium (18,3%, n = 42) and large (25,8%, n = 49) size larvae. It is probably that these immatures (eggs and larvae) were cannibalized due to scarcity of prey and nectar under unfavorable climatic conditions, especially during the cold and dry periods of the year.

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“…A maior frequência de M. cassununga na Cota 01 pode ser explicada pelo fato dessa espécie apresentar um elevado grau de sinatropismo, e também por ser facilmente encontrada em ediicações (ALVARENGA et al, 2010). Além disso, a presença de mais de uma fêmea inseminada por colônia, com ovários bem desenvolvidos e o grande sucesso na oviposição, permite uma maior dispersão dessa espécie (MURAKAMI et al, 2009).…”

Section: Com Invólucro Protetorunclassified

Comunidade de vespas sociais (Hymenoptera, Vespidae) em diferentes gradientes altitudinais no sul do estado de Minas Gerais, Brasil

2015

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ResumoVários estudos descreveram alterações na riqueza e abundância de grupos de insetos ao longo dos gradientes altitudinais, contudo há poucas informações para as vespas sociais (Hymenoptera, Vespidae). O presente trabalho avaliou a inluência da altitude sobre a diversidade desses insetos em fragmentos de lorestas estacionais semideciduais em clima tropical de altitude. O estudo foi conduzido em três cotas altimétricas distintas na região sul do estado de Minas Gerais, entre 997 e 2080 m. Foram realizados 24 dias de amostragem durante dez meses por meio de coleta ativa. Foram registradas 34 espécies distribuídas em 11 gêneros, a Cota 01 registrou 27, a Cota 02 registrou 19 espécies e a Cota 03 foram registradas 11 espécies. O gênero mais frequente na área de estudo foi Polybia. O trabalho mostra que em áreas de clima tropical de altitude acima de 1800 m a diversidade diminui consideravelmente, e aumenta o número de espécies que nidiicam por enxameamento e constroem ninhos com invólucro protetor.Palavras-chave: Biogeograia; Fragmentos lorestais; Insetos; Polistinae Abstract Social wasp communities (Hymenoptera Vespidae) at diferent altitudinal levels in southern MinasGerais, Brazil. Various studies have described changes in richness and abundance of insect groups along altitudinal gradients, but there is little information about social wasps (Hymenoptera, Vespidae) in this regard. This study evaluated the inluence of altitude on the diversity of these insects in fragments of semideciduous forest in a tropical altitude climate. Three diferent elevations in southern Minas Gerais, from 997 to 2080 meters, were studied. Sampling was carried out on 24 days in a ten-month period by active collection. A total of 34 species were found, distributed in 11 genera. At Level 01, 27 species were recorded, and at Level 02, there were 19 species, while Level 03 showed 11 species. The most frequent genus in the sudy area was Polybia, This study showed that in high-altitude tropical climate areas above 1800 meters, diversity decreases substantially and that the number of species that nest by swarming and build nests with protective cover increases.

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More than one inseminated female in colonies of the independent-founding wasp Mischocyttarus cassununga von Ihering (Hymenoptera, Vespidae)

Cited by 19 publications

References 20 publications

Reproductive Status of the social wasp Polistes versicolor (Hymenoptera, Vespidae)

Reproductive Status of the social wasp Polistes versicolor (Hymenoptera, Vespidae)

The Disappearance of Eggs and Larvae from the Nests of the Mischocyttarus (Monogynoecus) montei Zikán (Hymenoptera: Vespidae), Especially in Autumn and Winter: Can it Mean an Adaptive Cannibalism to Ensure the Survival of Colonies?

Comunidade de vespas sociais (Hymenoptera, Vespidae) em diferentes gradientes altitudinais no sul do estado de Minas Gerais, Brasil

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