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Revista Colombiana de Entomología
Print version ISSN 0120-0488On-line version ISSN 2665-4385
Abstract
MARQUINEZ, XAVIER; JULIANA, CEPEDA; LARA, KATHERINE and SARMIENTO, RODRIGO. Spiders associated with the flowering of Drimys granadensis (Winteraceae). Rev. Colomb. Entomol. [online]. 2010, vol.36, n.1, pp.172-175. ISSN 0120-0488.
Drimys granadensis (Winteraceae) is a common tree in the high-Andean forests, with a system of open pollinatión by insects. In this work we identified the spiders associated with D. granadensis in relatión to the floral phenological phases and the visiting insects. We found a total of 53 mature spiders from seven families (Araneidae, Thetragnathidae, Theridiidae, Linyphiidae, Thomisidae, Salticidae and Aniphaenidae) and 12 morphospecies. The spiders had a preference for flowers in the female and hermaphrodite phases where the dipterans were more abundant. We found a species of Thwaitesia (Theridiidae) foraging exudates of the stigmata. This species has an abdomen with coloratión similar to the anthers and a transparent body that helps them be imperceptible in the flowers. The camouflage is also used to hunt by a species of Misumena (Thomisidae), which is similar in color and form to a D. granadensis flower bud.
Keywords : Floral phase; Floral visitors; Misumena; Thwaitesia.