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Research Article

A revision of the genus Poeonoma Tams & Bowden (Lepidoptera: Noctuidae: Apameini: Sesamiina) with the description of a new genus and two new sesamiine species from the Afrotropical region

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Pages 313-331 | Accepted 30 Aug 2020, Published online: 16 Oct 2020
 

Summary

The genus Poeonoma Tams & Bowden, 1953 is revised to include two species P. serrata (Hampson, 1910) and P. ugandensis Le Ru n. sp., from the Congolian bioregion. Several new synonyms are introduced for Poeonoma serrata: Conicofrontia sjoestedti Aurivillius, 1925 n. syn. for Poeonoma serrata (Hampson, 1910), Poeonoma similis Tams & Bowden, 1953 n. syn. for Poeonoma serrata (Hampson, 1910), and Poeonoma nigribasis Laporte, 1974 n. syn. for Poeonoma serrata (Hampson, 1910). A new genus, Nyaluteme Le Ru n. gen., is proposed for two species formerly included in Poeonoma, N. acantha (Tams & Bowden, 1953) n. comb. and N. inermis (Laporte, 1973) n. comb., and N. nigra Le Ru n. sp., described from the Congolian bioregion. Host-plants for three of the species are recorded: Pennisetum purpureum Schumach. for P. serrata and P. ugandensis, and Miscanthus violaceus (K. Schum) Pilg. for N. nigra. A key to species, descriptions, illustrations of adults and genitalia, and distribution maps are included. Results of previously published phylogenetic analyses also allow the status of the new genus to be confirmed and to infer the phylogenetic placement of the two genera.

Résumé

Révision du genre Poeonoma Tams & Bowden (Lepidoptera : Noctuidae : Apameiini : Sesamiina) avec la description d’un nouveau genre et de deux nouvelles espèces de Sesamiina de la région afrotropicale. Le genre Poeonoma Tams & Bowden, 1953 est révisé ; deux espèces, P. serrata (Hampson, 1910) et P. ugandensis Le Ru n. sp., de la biorégion Congolaise, y sont incluses et plusieurs nouvelles synonymies sont proposées pour Poeonoma serrata : Conicofrontia sjoestedti Aurivillius, 1925 n. syn. de Poeonoma serrata (Hampson, 1910), Poeonoma similis Tams & Bowden, 1953 n. syn. de Poeonoma serrata Hampson, 1910, et Poeonoma nigribasis Laporte, 1974 n. syn. de Poeonoma serrata (Hampson, 1910). Un nouveau genre, Nyaluteme Le Ru n. gen., de la biorégion Congolaise, est proposé pour deux espèces précédemment décrites dans le genre Poeonoma, N. acantha (Tams & Bowden, 1953) n. comb., et N. inermis (Laporte, 1973) n. comb., et une espèce nouvellement décrite N. nigra Le Ru n. sp. Les plantes-hôtes de trois espèces sont répertoriées : Pennisetum purpureum Schumach. pour P. serrata et P. ugandensis, et Miscanthus violaceus (K. Schum) Pilg. pour N. nigra. Une clé de détermination des espèces est présentée ainsi que l’illustration des adultes et des génitalia et, des cartes de distribution. Les résultats d’analyses de reconstruction phylogénétique déjà publiées permettent également de confirmer le statut du nouveau genre et d’inférer la position phylogénétique des deux genres.http://www.zoobank.org/urn:lsid:zoobank.org:pub:6ED4AC9E-043C-4A04-A92D-807066943002

Acknowledgements

We want to thank the Editor-in-Chief A. Mantilleri, and two anonymous reviewers, for their comments and suggestions on a previous version of the manuscript. We thank the curators of MRAC (U. Dall’asta), MCSN (F. Rigato), MNHN (J. Barbut), NHM (A. Zilli) and NRM (J. Bergsten) for the permission to study and photograph the types and additional material. Financial support was provided by the Institut de Recherche pour le Développement, by the project IMPACT_PHYTO funded by the Division for Plant Health and Environment (SPE) of INRAE, by icipe - African Insect Science for Food and Health (Kenya) - and by the program “Bibliothèque du Vivant” (Project Noctuid Stem Borer Biodiversity; NSBB) supported by a joint CNRS, INRAE and MNHN consortium. Laboratory facilities were provided by icipe and the UMR EGCE (formerly laboratory Evolution Génomes Spéciation) in Gif/Yvette (France). All specimens were collected under appropriate collection permits from the countries recorded and no conflicts of interest were discovered.

Supplementary material

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