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. 2023 Feb;52(1):81-91.
doi: 10.1007/s13744-022-01002-4. Epub 2022 Nov 18.

The Genus Thionia Stål, 1859 (Hemiptera: Auchenorrhyncha: Issidae) in Colombia: Highlighting the Value of Entomological Collections

Camilo Andrés Llano-Arias  1 , Giovany Guevara  2 , Charles R Bartlett  3
Affiliations

The Genus Thionia Stål, 1859 (Hemiptera: Auchenorrhyncha: Issidae) in Colombia: Highlighting the Value of Entomological Collections

Camilo Andrés Llano-Arias et al. Neotrop Entomol. 2023 Feb.

Abstract

Entomological collections represent a key source of information about the biological heritage of a country. However, the taxonomy and knowledge of many arthropods from megadiverse countries are underrepresented in these natural history collections as is the case with several planthoppers of the suborder Auchenorrhyncha. Issidae are fulgoromorphs distributed worldwide, except the poles and Greenland. Despite this ubiquity, Colombian planthoppers remain very poorly known and studied. Our objective was to provide the first consolidated records and distributional data for Colombian Issidae. We used reports of the representative genus Thionia deposited in biological collections in Colombia. In addition, we linked voucher specimen information and Olson's life zones showing an inter-Andean valley and Eastern Andean Cordillera distribution within Colombia. Our survey of Colombian biological collections revealed 55 individuals of the genus Thionia Stål, 1859 (53 adults, 2 immatures [nymphs]), which were collected by different methods; however, many of those records may be opportunistic. This genus (and its species) needs further study, with systematic and ecological revision, as is the case with other terrestrial Colombian hemipterans. Our consolidated records represent an advance to the knowledge of Issidae (and Thionia specifically) for the Neotropics and Colombia in particular, and a baseline for further study of distributional and biogeographic patterns of the suborder Auchenorrhyncha.

Keywords: Biological collections; Fulgoroidea; Life zones; Natural history collections; Planthoppers; True hoppers.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Colombian Thionia Stål, 1859. a Male lateral view, b Female dorsal view, c detail of posterior tibiae with 2 spines, d Female ventral view (photos by Camilo Llano)
Fig. 2
Fig. 2
Percentage of representativeness of the different revised voucher specimens of Thionia Stål, 1859 in selected Colombian biological collection data sets (map by Mateo Rivera and Camilo Llano)
Fig. 3
Fig. 3
Distributional data for the genus Thionia Stål, 1859 in Colombia based on records from the certified biological collections; note that most of the records are associated with the Andean ecoregion (map by Jhon Faver Marulanda)
Fig. 4
Fig. 4
Distribution of Thionia records in Colombia in agreement with the ecoregions proposed by Olson et al. (2001) (map by Jhon Faver Marulanda)
See this image and copyright information in PMC

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