• 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 ...
    • 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 ...