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1 January 2022 Nocturnal roosting of neotropical libellulid dragonflies: perhaps only Orthemis roosts in groups
Dennis R. Paulson
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Abstract

Four species of Orthemis are now known to form nocturnal roosting aggregations in Costa Rica, Panama, and Ecuador. A survey of 2 764 observational records from Costa Rica and Panama in iNaturalist revealed 9 communal roosts among 388 records of Orthemis but no such roosts in 2 376 records of 26 other libellulid genera. Additional unpublished photos add three more communal roosts in Orthemis.

Dennis R. Paulson "Nocturnal roosting of neotropical libellulid dragonflies: perhaps only Orthemis roosts in groups," Notulae odonatologicae 9(7), 285-290, (1 January 2022). https://doi.org/10.5281/zenodo.4746216
Received: 19 January 2021; Published: 1 January 2022
JOURNAL ARTICLE
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KEYWORDS
Anisoptera
dragonfly
Neotropics
Odonata
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