Nocturnal multi-species roosts of Cicindelidae (Coleoptera) in a Neotropical lowland rainforest

Insecta Mundi

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Title Nocturnal multi-species roosts of Cicindelidae (Coleoptera) in a Neotropical lowland rainforest
Creator Kirmse, Susan
Wiesner, Jürgen
Subject Biodiversity
aggregation behavior
communal roosts
tiger beetles
Description Tiger beetles (Coleoptera: Cicindelidae) are frequent predators on the forest floor of the Amazon rainforest. We report on five diurnal sympatric tiger beetle species belonging to the genera Odontocheila Laporte de Castelnau and Poecilochila Rivalier in a terra firme rainforest in South Venezuela. We observed adult beetles for a full year and monitored their nocturnal roosts along two forest paths during the rainy season in 1998.We found up to four species communally roosting on low vegetation along the paths during the night. Multi-species roosts were more often observed than conspecific communal roosts. Although the individual composition of the nocturnal roosts changed frequently, distinct plants were used for several days to weeks. The most individual-rich roosts comprised 10 or 11 adult tiger beetles roosting on one leaf. Observed noc-turnal roosts were dominated by O. angulipenis W. Horn and O. margineguttata (Dejean). Most mixed roosts included O. confusa (Dejean), O. angulipenis and O. margineguttata.Low abundances and size differences possibly facilitate the coexistence of these five tiger beetle species. The advantage of communal roosting during the rainy season is probably the reinforcement of their chemical defense.
Publisher Insecta Mundi
Date 2021-08-19
Type info:eu-repo/semantics/article
Peer-reviewed Article
Format application/pdf
Source Insecta Mundi; Articles 0877- 0879 (July 2021)
Language eng
Rights Copyright (c) 2021 Susan Kirmse, Jürgen Wiesner

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