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Adult predatory stink bug Euthyrhynchus floridanus (Linnaeus). Credits: Lyle J. Buss, University of Florida
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Apresentamos uma listagem dos Membracidae de uma pequena área do Campus Urbanova da Univap – São José dos Campos-SP. Todas as espécies foram observadas no seu hábitat e registramos 32 espécies, 21 gêneros, 13 tribus e 6 subfamílias.
Citations
... A diferencia de otras subfamilias de Pentatomidae, todos de hábitos fitófagos, los Asopinae son esencialmente depredadores (De Clercq, 2000). Es considerado un insecto beneficioso porque se le reporta como depredador de especies de interés económico como Nezara viridula (Linnaeus), Papilio cresphontes (Cramer), Anticarsia gemmatalis (Hübner), Leptinotarsa decemlineata (Say), Diaprepes sabbreviatus (Linnaeus), entre otras (Meed & Richman, 2000). ...
Characterization of the behavioral and vibrational signals in Euthyrhynchus floridanus (Hemiptera: Pentatomidae) during courtship and copulation. Euthyrhynchus floridanus (Linnaeus) (Hemiptera: Pentatomidae) is a neotropical species belonging to the family Pentatomidae with over 4 000 species described, and is distributed from Florida to Brazil. This study describes the sexual behavior and reported for the first time the production of substrate vibrations by males and females during copulatory behavior and mating. Courtship and copulatory behavior, as well as the diverse signals, were recorded with a phonographic cartridge connected to a video camera. Female vibrations were reproduced in the absence of females and the responses by males were recorded. At least three types of substrate vibrations were distinguished in males and one in females, and these signals were characterized by their low frequency, varying from 127 to 180Hz. The sounds of E. floridianus males were significantly different in frequency, duration and number of pulses, both in courtship and in copulation, for the purring and drumming sounds. The production of sounds in this species is associated principally with mechanical, stimulatory behavior during courtship and copulation. Patterns of behavior and their relation to substrate vibrations suggest that these signals are important for the males in the context of mate location and sexual selection. Rev. Biol. Trop. 62 (1): 95-107. Epub 2014 March 01.
