Results 31 to 40 of about 325 (89)

Prédateurs et parasitoïdes des ravageurs du cotonnier au Paraguay [PDF]

open access: yes, 1987
Première contribution des auteurs à l'étude de la biocénose des champs de cotonnier au Paraguay. Sont passés en revue les parasites et les prédateurs des ravageurs du cotonnier.
Michel, Bruno, Prudent, Patrick
core  

Captura de presas por vespas sociais: espécies predadas e prioridades de pesquisa no Brasil [PDF]

open access: yes, 2021
Social wasps are of great importance when considering the ecological and economic role they can play. As they are predators, they contribute to the population control of their prey in natural and man-made environments, and can act as pest control in ...
Campos, Henrique Ribeiro
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Evolution of Caste in Neotropical Swarm-Founding Wasps(Hymenoptera: Vespidae; Epiponini) [PDF]

open access: yes, 2004
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.
FERNANDO B. NOLL   +2 more
core   +1 more source

Selectivity of insecticides with and without mineral oil to Brachygastra lecheguana (Hymenoptera: Vespidae), a predator ofTuta absoluta (Lepidoptera: Gelechiidae) [PDF]

open access: yes, 2012
Dosis-respuesta, la regresión del límite de rango para adultos de ESTIMADA lecheguana Brachygastra (Latreille) (Hymenoptera:Vespidae) expuestos a la abamectina insecticidas, cartap, phentoate, permetrina y diseño exterior con 0,5% (v / v) de aceite ...
Guedes, R. N.C.   +3 more
core   +1 more source

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

open access: yes, 2014
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.
Andrade, Luis Humberto da Cunha   +4 more
core   +3 more sources

Impacts of Fire in Social Wasps Community in an Area of Regenerating Brazilian Savanna [PDF]

open access: yes, 2019
Fire is one of the most common natural harassments and it is characterized as an important component of the systems, although little studied regarding the influence of this event in social wasps communities.
Ceridório, Harquimedes Ferreira   +7 more
core   +2 more sources

Social Wasp Predators of Tuta absoluta. [PDF]

open access: yes, 2011
This study aimed to determine the importance of social Vespidae as predator of T. absoluta, to study the influence of climatic elements on their foraging activity, to establish tecniques for sampling, and to sudy the influence of climatic elements on ...
BACCI, L.   +6 more
core  

Diversity of the Nests of Social Wasps (Hymenoptera: Vespidae: Polistinae) in the Northern Pantanal, Brazil [PDF]

open access: yes, 2014
Some species of wasps demonstrate plasticity with diverse nesting habits according to the environmental conditions and substrates used for building the nests, while others are restricted to habitats with specific conditions and may exhibit some degree of
Almeida, Sara Miranda   +2 more
core   +3 more sources

Social wasp genus Brachygastra. [PDF]

open access: yes, 2012
38 p. : ill. ; 26 cm.Phylogenetic relationships among the species of the genus Brachygastra Perty, 1883, are analyzed based on characters of female morphology, male genitalia, and nest architecture.
Andena, Sergio Ricardo.   +1 more
core  

Nuevos registros de Vespidae (Hymenoptera: Vespoidea) para la región de la Orinoquía colombiana [PDF]

open access: yes, 2019
We analyzed 72 specimens from the Arauca (71) and Casanare (1) departments in the Orinoco region of Colombia. The specimens belong to 10 genera and 18 species of vespid wasps.
Agudelo Martínez, Juan C.   +2 more
core   +1 more source

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