Results 121 to 130 of about 488 (152)

The evolution of extreme altruism and inequality in insect societies. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2009
Ratnieks FL, Helanterä H.
europepmc   +1 more source

Evolution of Caste in Neotropical Swarm-Founding Wasps(Hymenoptera: Vespidae; Epiponini) [PDF]

open access: yesAmerican Museum Novitates, 2004
Abstract Reproductive castes are compared in species of swarming wasps representing all currently recognized genera of Epiponini (Polistinae). New morphometric data for nine measures of body parts and ovarian data are presented for 13 species. These are integrated with all similarly conducted available studies, giving a total of 30 species.
John Wenzel, F B Noll, Ronaldo Zucchi
exaly   +9 more sources

Morphological and physiological variation between queens and workers of Protonectarina sylveirae (de Saussure) (Hymenoptera, Vespidae, Epiponini) [PDF]

open access: yesRevista Brasileira De Entomologia, 2010
Morphological and physiological variation between queens and workers of Protonectarina sylveirae (de Saussure) (Hymenoptera, Vespidae, Epiponini). The Neotropical swarm-founding wasps, Epiponini, range from the absence of morphological differentiation between castes to highly distinct castes.
F B Noll
exaly   +7 more sources
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A New Species of Metapolybia (Hymenoptera: Vespidae; Polistinae, Epiponini)

Entomologica Americana, 2011
Abstract A new species of the paper wasp genus Metapolybia Ducke is described from South America.
James Carpenter, Sérgio Andena
exaly   +2 more sources

Survey of preys captured and used by Polybia platycephala (Richards) (Hymenoptera: Vespidae, Epiponini) [PDF]

open access: yesNeotropical Entomology, 2005
The social wasps are predators of several species of insects and the study of their preys can reveal their potential for programs of biological pest control. During the period of September 2000 to January 2002, were accomplished 70h of collections of the preys captured in twelve nests of Polybia platycephala Richards, placed in urban areas of Juiz de ...
Fabio Prezoto
exaly   +5 more sources

A Phylogenetic Analysis of Synoeca de Saussure, 1852, A Neotropical Genus of Social Wasps (Hymenoptera: Vespidae: Epiponini)

open access: yesEntomologica Americana, 2009
Abstract Characters of adult morphology, male genitalia, and nest architecture are combined in a cladistic analysis of the neotropical paper wasp genus Synoeca. The single resulting cladogram supports the monophyly of genus. The species are related as follows: S. chalibea + (S. virginea + (S. septentrionalis + (S. surinama + S. cyanea))).
James Carpenter   +2 more
exaly   +3 more sources

A Phylogenetic Approach to the Neotropical Social Wasp Genus Leipomeles Möbius, 1856 (Vespidae: Epiponini), with a New Identification Key

open access: yesAmerican Museum Novitates, 2023
Somavilla, Alexandre, Vieira, Gabriel Santos, Andena, Sérgio Ricardo, Noll, Fernando Barbosa, Carpenter, James M. (2023): A phylogenetic approach to the Neotropical social wasp genus Leipomeles Möbius, 1856 (Vespidae: Epiponini), with a new identification key.
James Carpenter   +2 more
exaly   +3 more sources

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