Listar por autor "Araya, Jaime E."
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EFFECT OF Melanaphis donacis Passerini (HEMIPTERA: APHIDIDAE) ON BIOMASS OF Arundo donax L. (Poaceae)
Zuazua, Francisco [Univ Mayor, Fac Ciencias, Escuela Agron]; Undurraga, Nicole; Araya, Jaime E.; Alonso, Maximo F. (UNIV CONCEPCION, CAMPUS CHILLAN, 2019)Giant reed, Arundo donax (L.), is known for its potential as a bioenergy crop. To evaluate the effect of the aphid Melanaphis donacis (Passerini) on plants growing in the Metropolitan Region of Chile, three treatments with ... -
Hermetism variation in Camponotus Morosus (hymenoptera: formicidae) with the age of homospecific intruding ants
Covacevich, Alejandra [Univ Mayor, Fac Ciencias, Lab Zool & Etol]; Ipinza-Regla, Joaquín [Univ Mayor, Fac Ciencias, Lab Zool & Etol]; Araya, Jaime E. (UNIV CONCEPCION, CAMPUS CHILLAN, 2019)Ants present hermetism, that is, they recognize and discriminate individuals alien to the colony, even at a homospecific level, which results in aggressive reactions against intruders, varying with their age. To evaluate ... -
Population dynamics of Melanaphis donacis (Hemiptera: Aphididae) and its Coccinellidae and Syrphidae predators on Arundo donax L.
Undurraga, Nicole; Araya, Jaime E.; Zuazua, Francisco [Univ Mayor, Fac Ciencias, Escuela Agron, Chile]; Alonso, Maximo F. (Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal, 2020)The population density of the aphid Melanaphis donacis (Passerini) was studied in experimental plots of Arundo donax (L.) at the Antumapu Campus of the University of Chile, La Pintana (33 degrees 34' 08 '' S 70 degrees 38' ...