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  1. Artikel ; Online: Older, but not wiser: social wasp colony defensive behavior decreases with time, not experience

    Detoni, Mateus / Johnson, Sheri L. / Adams, Clare I. M. / Bengston, Sarah / Jandt, Jennifer M.

    Insect. Soc.. 2023 Feb., v. 70, no. 1 p.81-96

    2023  

    Abstract: Behavioral shifts in animals are often driven by ontogenetic processes such as aging or life experiences, through changes in their physiology and/or gene expression. Colonies of eusocial animals such as social hymenopterans may experience behavioral ... ...

    Abstract Behavioral shifts in animals are often driven by ontogenetic processes such as aging or life experiences, through changes in their physiology and/or gene expression. Colonies of eusocial animals such as social hymenopterans may experience behavioral shifts at the colony-level due to maturation and/or experience throughout the colony cycle. In this study, we investigated the nest defense behavior of social wasp Vespula vulgaris colonies and whether behavioral changes over time or differences in experience with simulated threats can affect aggressive response. Colonies were divided into two treatment groups and experimentally disturbed over a seven-week period by simulating a mammal attack. This procedure was carried out for "hi-freq" colonies on a weekly basis (weeks 1-6), whereas "lo-freq" groups were disturbed once every three weeks (weeks 1, 3, and 7). We show that nest defense behavior in V. vulgaris decreases over time, towards the end of the colony cycle, regardless of how frequently they faced a simulated predator attack. We found no evidence that undisturbed foraging activity or nest size could be used to predict defensive behavior. Our results show anti-predator colony behaviors in Vespula are influenced by the colony cycle, possibly through demographic shifts over time: colonies near their decline are less likely to respond to a simulated threat when compared to earlier in the season. We propose colony behavior is strongly engrained in seasonality and internal development, to a degree that it might overrule the effect of interactions with potential predators.
    Schlagwörter Vespula vulgaris ; defensive behavior ; gene expression ; mammals ; nests ; ontogeny ; physiology ; social wasps
    Sprache Englisch
    Erscheinungsverlauf 2023-02
    Umfang p. 81-96.
    Erscheinungsort Springer International Publishing
    Dokumenttyp Artikel ; Online
    ZDB-ID 1463941-5
    ISSN 1420-9098 ; 0020-1812
    ISSN (online) 1420-9098
    ISSN 0020-1812
    DOI 10.1007/s00040-022-00893-1
    Datenquelle NAL Katalog (AGRICOLA)

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  2. Artikel ; Online: First record of eugregarines (Apicomplexa: Eugregarinorida) parasitizing the neotropical social wasp Polistes versicolor (Vespidae: Polistinae) in Brazil

    Lima dos Santos, Samuel Júlio / Barbosa, Bruno Corrêa / Detoni, Mateus / Dias, Roberto Júnio Pedroso / Prezoto, Fábio

    Studies on Neotropical Fauna and Environment. 2023 Jan. 02, v. 58, no. 1 p.69-74

    2023  

    Abstract: The study of social wasp biology is often focused on understanding the factors involved in the evolution of social behavior. However, despite the importance of parasitism for the fitness of social insect colonies, little is known about the presence of ... ...

    Abstract The study of social wasp biology is often focused on understanding the factors involved in the evolution of social behavior. However, despite the importance of parasitism for the fitness of social insect colonies, little is known about the presence of parasitic protozoan infections in Neotropical social wasp populations. Herein, we report the first recorded occurrence of eugregarines in the midgut of the paper wasp Polistes versicolor. Our study shows 46% of the adults (n = 50) in the studied population were infected with gregarine trophozoites. No protozoans were identified in any of the sampled larvae (n = 14). This new record may indicate the existence of a new taxon within Order Eugregarinorida.
    Schlagwörter Eugregarinorida ; Neotropics ; Polistes ; Protozoa ; environment ; evolution ; fauna ; midgut ; paper wasps ; parasitism ; social behavior ; social insects ; trophozoites ; Brazil ; Gregarines ; independent-founding ; paper wasp ; parasites ; protozoans
    Sprache Englisch
    Erscheinungsverlauf 2023-0102
    Umfang p. 69-74.
    Erscheinungsort Taylor & Francis
    Dokumenttyp Artikel ; Online
    ISSN 1744-5140
    DOI 10.1080/01650521.2021.1897380
    Datenquelle NAL Katalog (AGRICOLA)

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  3. Artikel: Pest Control Potential of Social Wasps in Small Farms and Urban Gardens

    Prezoto, Fábio / Maciel, Tatiane Tagliati / Detoni, Mateus / Mayorquin, Angie Zuleidi / Barbosa, Bruno Corrêa

    Insects. 2019 June 28, v. 10, no. 7

    2019  

    Abstract: In environments undergoing constant transformation due to human action, such as deforestation and urbanization, the emergence of pests has become a challenge for agriculture and human welfare. In Brazil, over a thousand tonnes of pesticides are used ... ...

    Abstract In environments undergoing constant transformation due to human action, such as deforestation and urbanization, the emergence of pests has become a challenge for agriculture and human welfare. In Brazil, over a thousand tonnes of pesticides are used annually, causing serious environmental damage such as the decline of insect populations. It is necessary to search for control alternatives in order to reduce the environmental impact caused by insecticides. This review aims to describe the use of social wasps as agents of biological control, focusing on the perspectives of their use in small farms and urban gardens, and to discuss the benefits of using this method. Studies have shown that 90–95% of the prey captured by wasps in small crops is made of leaf-eating caterpillars. In urban gardens, wasps diversify their prey, among which potential disease vectors, such as dipterans, stand out. We outline techniques for managing social wasp colonies in small farm and urban garden settings, including the use of artificial shelters. Among the advantages of using wasps as control agents, we highlight the practicality of the method, the low operational cost, the absence of prey resistance and the decrease of the use of insecticides.
    Schlagwörter Diptera ; biological control ; crops ; deforestation ; disease vectors ; environmental impact ; gardens ; humans ; insect larvae ; insecticides ; operating costs ; pest control ; pests ; small farms ; social wasps ; social welfare ; urbanization ; Brazil
    Sprache Englisch
    Erscheinungsverlauf 2019-0628
    Erscheinungsort Multidisciplinary Digital Publishing Institute
    Dokumenttyp Artikel
    ISSN 2075-4450
    DOI 10.3390/insects10070192
    Datenquelle NAL Katalog (AGRICOLA)

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  4. Artikel: Evolutionary and Ecological Pressures Shaping Social Wasps Collective Defenses

    Detoni, Mateus / Feás, Xesús / Jeanne, Robert L. / Loope, Kevin J. / O'Donnell, Sean / Santoro, Davide / Sumner, Seirian / Jandt, Jennifer M.

    Annals of the Entomological Society of America. 2021 Feb. 11, v. 114, no. 5

    2021  

    Abstract: Social insects are well known for their aggressive (stinging) responses to a nest disturbance. Still, colonies are attacked due to the high-protein brood cached in their nests. Social wasps have evolved a variety of defense mechanisms to exclude ... ...

    Abstract Social insects are well known for their aggressive (stinging) responses to a nest disturbance. Still, colonies are attacked due to the high-protein brood cached in their nests. Social wasps have evolved a variety of defense mechanisms to exclude predators, including nest construction and coordinated stinging response. Which predatory pressures have shaped the defensive strategies displayed by social wasps to protect their colonies? We reviewed the literature and explored social media to compare direct and indirect (claims and inferences) evidence of predators attacking individuals and colonies of wasps. Individual foraging wasps are predominantly preyed upon by birds and other arthropods, whereas predators on wasp brood vary across subfamilies of Vespidae. Polistinae wasps are predominantly preyed upon by ants and Passeriformes birds, whereas Vespinae are predominantly preyed upon by badgers, bears, and hawks. Ants and hornets are the primary predators of Stenogastrinae colonies. The probability of predation by these five main Orders of predators varies across continents. However, biogeographical variation in prey–predator trends was best predicted by climate (temperate vs. tropical). In social wasps' evolutionary history, when colonies were small, predation pressure likely came from small mammals, lizards, or birds. As colonies evolved larger size and larger rewards for predators, the increased predation pressure likely selected for more effective defensive responses. Today, primary predators of large wasp colonies seem to be highly adapted to resist or avoid aggressive nest defense, such as large birds and mammals (which were not yet present when eusociality evolved in wasps), and ants.
    Schlagwörter Passeriformes ; Vespidae ; climate ; nests ; predation ; probability
    Sprache Englisch
    Erscheinungsverlauf 2021-0211
    Umfang p. 581-595.
    Erscheinungsort Entomological Society of America
    Dokumenttyp Artikel
    ZDB-ID 338-4
    ISSN 0013-8746
    ISSN 0013-8746
    DOI 10.1093/aesa/saaa063
    Datenquelle NAL Katalog (AGRICOLA)

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  5. Artikel: Pest Control Potential of Social Wasps in Small Farms and Urban Gardens.

    Prezoto, Fábio / Maciel, Tatiane Tagliati / Detoni, Mateus / Mayorquin, Angie Zuleidi / Barbosa, Bruno Corrêa

    Insects

    2019  Band 10, Heft 7

    Abstract: In environments undergoing constant transformation due to human action, such as deforestation and urbanization, the emergence of pests has become a challenge for agriculture and human welfare. In Brazil, over a thousand tonnes of pesticides are used ... ...

    Abstract In environments undergoing constant transformation due to human action, such as deforestation and urbanization, the emergence of pests has become a challenge for agriculture and human welfare. In Brazil, over a thousand tonnes of pesticides are used annually, causing serious environmental damage such as the decline of insect populations. It is necessary to search for control alternatives in order to reduce the environmental impact caused by insecticides. This review aims to describe the use of social wasps as agents of biological control, focusing on the perspectives of their use in small farms and urban gardens, and to discuss the benefits of using this method. Studies have shown that 90-95% of the prey captured by wasps in small crops is made of leaf-eating caterpillars. In urban gardens, wasps diversify their prey, among which potential disease vectors, such as dipterans, stand out. We outline techniques for managing social wasp colonies in small farm and urban garden settings, including the use of artificial shelters. Among the advantages of using wasps as control agents, we highlight the practicality of the method, the low operational cost, the absence of prey resistance and the decrease of the use of insecticides.
    Sprache Englisch
    Erscheinungsdatum 2019-06-28
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ISSN 2075-4450
    ISSN 2075-4450
    DOI 10.3390/insects10070192
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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