• Band movement and thermoregulation in Schistocerca cancellata 

      Piou, Cyril; Zagaglia, Gustavo; Medina, Hector E.; Trumper, Eduardo Victor; Rojo Brizuela, Ximena; Ould Maeno, Koutaro (Elsevier, 2022-01)
      At high density, juvenile locusts create marching hopper bands. Understanding the roles of temperature and vegetation on the movement of these bands shall allow to better forecast and control them. Following a hopper band ...
    • Effect of plant nutritional traits on the diet of grasshoppers in a wetland of Northern Patagonia 

      Amadio, María Emilia; Pietrantuono, Ana Laura; Lozada, Mariana; Fernandez Arhex, Valeria Cristina (Taylor & Francis, 2020-05)
      Dichroplus maculipennis is one of the most damaging grasshoppers of wetlands. We investigated their feeding behavior in relation to the most abundant plants of Patagonian wetlands. Results showed that D. maculipennis was ...
    • Effect of volcanic ash over Orthoptera survival in Patagonia 

      Fernandez Arhex, Valeria Cristina; Amadio, Maria Emilia; Enriquez, Andrea Soledad; Pietrantuono, Ana Laura; Becker, Guillermo Fernando; Bruzzone, Octavio Augusto (2015-04)
      The aim of this work was to evaluate the ash toxicity from the Puyehue-Cordón Caulle volcanic complex on the survival of two Orthopteran species: the grasshoper Dichroplus vittigerum and the green locust Brugilis sp. Two ...
    • Field bands of marching locust juveniles show carbohydrate, not protein, limitation 

      Cease, Arianne J.; Trumper, Eduardo Victor; Medina, Héctor; Copa Bazán, Fernando; Frana, Jorge; Harrison, Jon; Joaquin, Nelson; Learned, Jennifer; Roca, Mónica; Rojas, Julio E.; Talal, Stav; Overson, Rick P. (Elsevier, 2023-09-19)
      Locusts are grasshoppers that migrate en masse and devastate food security, yet little is known about the nutritional needs of marching bands in nature. While it has been hypothesized that protein limitation promotes locust ...
    • Insectos de importancia económica y sanitaria : Tucura de alas pintadas y tucura sapo, plagas de la Patagonia 

      Serrano, Soledad; Azzaro, Francisco; Fernandez Arhex, Valeria Cristina (EEA Bariloche, INTA, 2021-12)
      Las tucuras de alas manchadas y tucuras sapo son insectos herbívoros nativos que regularmente presentan estallidos poblacionales de gran magnitud. Durante estos eventos son consideradas plagas, ya que causan los mayores ...
    • The effects of volcanic ash from Puyehue-Caulle range eruption on the survival of Dichroplus vittigerum (Orthoptera: Acrididae) 

      Fernandez Arhex, Valeria Cristina; Buteler, Micaela; Amadio, Maria Emilia; Enriquez, Andrea Soledad; Pietrantuono, Ana Laura; Stadler, Teodoro; Becker, Guillermo Fernando; Bruzzone, Octavio Augusto (2013-03)
      The aim of this work was to evaluate the toxicity of volcanic ash from the volcanic complex Puyehue-Caulle Range on the grasshopper, Dichroplus vittigerum, and compare the results with the effect of diatomaceous earth, an ...