Insects that communicate by vibrational signals live in a complex interactive network of communication. Most studies on insect intrasexual behavior, based on plant-borne vibrational signals, have targeted few individuals. Despite their importance, behaviors that occur within groups were often overlooked. The study of multiple individuals, when insects occur in high density could simulate the environment in which they live and provide more reliable information on their behavior. In semi-field conditions, we investigated the intrasexual behavior of the meadow spittlebug, Philaenus spumarius. Vibrational signals exchanged among individuals of the same sex were recorded throughout their adult stage, from late spring to early autumn, and during the day, from the morning to the evening using a laser vibrometer. Males were less active than females throughout the season and their interactions were less frequent compared to females. Intrasexual interactions were characterized by signal overlapping in both unisex groups, in addition to signal alternating only in the case of males. In conclusion, the study of signaling behavior in intrasexual groups contributed to a better understanding of P. spumarius social behavior. We discuss the hypothesis of a possible competitive behavior between males and cooperative behavior between females

Akassou, I.; Avosani, S.; Zaffaroni Caorsi, V.; Verrastro, V.; Ciolli, M.; Mazzoni, V. (2021). Intrasexual vibrational behavior of Philaenus spumarius in semi-field conditions. INSECTS, 12 (7): 584. doi: 10.3390/insects12070584 handle: http://hdl.handle.net/10449/69178

Intrasexual vibrational behavior of Philaenus spumarius in semi-field conditions

Akassou, I.
Primo
;
Avosani, S.;Zaffaroni Caorsi, V.;Mazzoni, V.
Ultimo
2021-01-01

Abstract

Insects that communicate by vibrational signals live in a complex interactive network of communication. Most studies on insect intrasexual behavior, based on plant-borne vibrational signals, have targeted few individuals. Despite their importance, behaviors that occur within groups were often overlooked. The study of multiple individuals, when insects occur in high density could simulate the environment in which they live and provide more reliable information on their behavior. In semi-field conditions, we investigated the intrasexual behavior of the meadow spittlebug, Philaenus spumarius. Vibrational signals exchanged among individuals of the same sex were recorded throughout their adult stage, from late spring to early autumn, and during the day, from the morning to the evening using a laser vibrometer. Males were less active than females throughout the season and their interactions were less frequent compared to females. Intrasexual interactions were characterized by signal overlapping in both unisex groups, in addition to signal alternating only in the case of males. In conclusion, the study of signaling behavior in intrasexual groups contributed to a better understanding of P. spumarius social behavior. We discuss the hypothesis of a possible competitive behavior between males and cooperative behavior between females
Vibrational signals
Meadow spittlebug
Intrasexual behavior
Intrasexual interactions
Settore AGR/11 - ENTOMOLOGIA GENERALE E APPLICATA
2021
Akassou, I.; Avosani, S.; Zaffaroni Caorsi, V.; Verrastro, V.; Ciolli, M.; Mazzoni, V. (2021). Intrasexual vibrational behavior of Philaenus spumarius in semi-field conditions. INSECTS, 12 (7): 584. doi: 10.3390/insects12070584 handle: http://hdl.handle.net/10449/69178
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