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Effect of density, disturbance and food on displacement of the Myrmeleon brasiliensis (Navás 1914) (Neuroptera, Myrmeleontidae)

Tatiane do Nascimento Lima, Frederico Santos Lopes

Resumen


Myrmeleon brasiliensis larvae build funnel-shaped traps in sandy soil to catch their prey, small arthropods, which move on the soil surface. The objective of this study was to observe displacement behavior of the larvae M. brasiliensis due to variations in food availability, trap density and disturbance through laboratory experiments. These results show that in a short period of time, density and distubance affect M. brasiliensis larvae. Possibly, larvae move in an attempt to find a more favorable place for the construction of its pitfall traps, which would be represented by an environment where intraspecific interaction is reduced and free from disturbance of traps.

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Referencias


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