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Boletín Científico. Centro de Museos. Museo de Historia Natural

Print version ISSN 0123-3068

Abstract

MOSQUERA-MURILLO, Zuleyma  and  MOSQUERA-MOSQUERA, Mayrin M.. Generic richness and distribution of Odonates (Insecta: Odonata) in the department of Chocó, Colombia. Bol. Cient. Mus. Hist. Nat. Univ. Caldas [online]. 2021, vol.25, n.1, pp.191-205.  Epub Aug 05, 2021. ISSN 0123-3068.  https://doi.org/10.17151/bccm.2021.25.1.12.

Objective.

To contribute to the taxonomic knowledge and distribution of Odonates in the Department of Chocó and in Colombia.

Scope.

To present a preliminary record on the richness and distribution of the order Odonata (Insecta) in the Department of Chocó, Colombia.

Methodology.

Specimens of the order Odonata deposited in the Choco Limnological Collection, CLCH-Insec (Universidad Tecnologica del Chocó), collected between 2004 and 2019 were reviewed.

Main results.

A total of 1,344 individuals were counted corresponding to 11 families and 29 genera, associated with 97 water currents of different order and 18 lentic ecosystems of the Atrato, San Juan and Baudó river basins located in 20 municipalities of the Department of Choco. Coenagrionidae is the most abundant family and Libellulidae the one with the largest distribution while Gomphidae exhibits the greatest generic richness. The genera Coryphaeschna, Aeschnosoma, Aphylla, Ophiogomphus, Erpetogomphus, Orthemis, Telebasis, Acanthagrion and Heteropodagrion are new records for the department of Chocó. The greatest taxonomic richness is found in the Atrato river basin, followed by San Juan and Baudó. The stone substrate is the one with the highest specific richness.

Conclusions.

The first preliminary inventory of the generic richness and distribution of the order Odonata in the department of Chocó is established, which made it possible to demonstrate the diversity of the order in the region.

Keywords : Limnological Collection; Odonata; aquatic ecosystems; insecta.

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