Plant-insect interactions in a Glossopteris flora from the La Golondrina Formation (Guadalupian–Lopingian), Santa Cruz Province, Patagonia, Argentina
Abstract
The first description of insect-plant interaction in a Glossopteris flora from the Permian of Argentina (La Golondrina Formation, Santa Cruz) is presented. Four specimens are described; these are referred to Glossopteris browniana (Brongniart), G. damudica (Feistmantel), and G. sp. cf. G. ampla Archangelsky. Different types of interaction recorded include marginal feeding and oviposition. This is the first evidence of insect-damage in the flora from the La Golondrina Formation, and also presently the only formal description of this kind available for a Paleozoic megaflora in Argentina. Interacciones plata-insecto en la flora de Glossopteris de la Formación La Golondrina (Guadalupiano-Lopingiano), provincia de Santa Cruz, Patagonia, Argentina. Resumen. Se presenta aquí la primera descripción de daño de insecto en una flora de Glossopteris del Pérmico de Argentina (Formación La Golondrina, Santa Cruz). Se describen 4 ejemplares de hojas de Glossopteris referidas a G. browniana (Brongniart), G. damudica (Feistmantel) y G. sp. cf. G. ampla Archangelsky. Se registran diferentes tipos de interacción, incluyendo daño marginal y oviposición. Esta es la primera evidencia de daño por insectos en la flora de la Formación La Golondrina, así como la única descripción formal actualmente disponible para una megaflora del Paleozoico en la Argentina.Downloads
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