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Human-Induced Disturbance Alters Pollinator Communities in Tropical Mountain Forests
It is concluded that deforestation by frequent fires has profound impacts on the diversity and composition of pollinator communities and shifts towards bee-dominated pollinators in fire-degraded habitats that may have important feedbacks on the regenerating communities of insect-pollinated plant species. Expand
Longhorn beetles (Coleoptera: Cerambycidae) of the Tucuman-Bolivian forest in the Tariquía Flora and Fauna National Reserve, southern Bolivian Andes, with notes on ecoregion endemism and conservation
In view of the threats by human land use in Tucuman Bolivian forest, species endemic to this ecoregion warrant special attention in future conservation planning. Expand
First Report of Stewart's Wilt of Maize in Argentina Caused by Pantoea stewartii.
The development of symptoms similar to those originally found in the field was observed on all the plants inoculated with the different isolates at 7 to 10 days post inoculation, and symptoms on inoculated plants wereSimilar to those observed for the positive control treatment, and Koch's postulates were fulfilled. Expand
The description of a new calyptrate fly mimicking species of the fungus weevil genus Gymnognathus Schönherr 1826 from the southern Bolivian Andes (Coleoptera: Anthribidae: Anthribinae).
A new calyptrate fly mimicking species of Gymnognathus Schönherr 1826 from the humid Tucuman-Bolivian forest in the southern Bolivian Andes is described. Gymnognathus barclayi sp. nov. is… Expand
Two new tiger beetle (Coleoptera, Carabidae, Cicindelitae) species from the Tucuman-Bolivian forest in the National Tariquia Reserve, Bolivia
Two new tiger beetle species from subhumid Tucuman-Bolivian forest in the National Tariquia Reserve in Tarija, Bolivia, are described and illustrated and bring the known endemic forest tiger beetle fauna of this ecoregion to three species. Expand
Description of a new species of the stag beetle genus Auxicerus Waterhouse, 1883 (Coleoptera: Scarabaeoidea: Lucanidae)
A new species of the Andean stag beetle genus Auxicerus Waterhouse, 1883 is described from the humid Tucuman-Bolivian forest in the southern Bolivian Andes. Auxicerus magnipunctatus sp. nov. is… Expand
First Report of Oxalis conorrhiza as Alternate Host of Puccinia sorghi, Causal Agent of Common Rust of Maize
This poster presents a probabilistic procedure for estimating the intensity of the response of the immune system to repeated exposure to carbon monoxide poisoning. Expand
First report of Xanthomonas vasicola pv. vasculorum causing bacteria leaf streak of maize (Zea mays L.) in Argentina.
The range of the disease has expanded from the initial reports in northern Cordoba province to the rest of the corn producing areas of Argentina confirmed by isolation, from a few of the more susceptible hybrids to infecting all of the commercial hybrids available in the region. Expand
Occurrence of the complete cycle of Puccinia sorghi Schw. in Argentina and implications on the common corn rust epidemiology
The natural occurrence of aecial infections on O. conhorriza in Córdoba may play an important role in generating new variants of P. sorghi in Argentina, allowing a constant adaptation of the pathogen to the environment of the different corn production zones. Expand
CHARACTERIZATION OF A POPULATION OF HELICOTYLENCHUS DIHYSTERA (COBB, 1893) SHER, 1961, PARASITIZING MAIZE ROOTS, IN SOUTHERN CÓRDOBA, ARGENTINA
This work is the first morphological, morphometric, and molecular characterization of a H. dihystera population from Argentina and supports identification of the species by phylogenetic analysis using Bayesian inference. Expand