Description and phylogenetic analysis of a new firefly genus from the Atlantic Rainforest, with five new species and new combinations (Coleoptera: Lampyridae: Lampyrinae)

Here, based on phylogenetic analyses of 18 taxa and 57 morphological characters, we propose a new firefly genus, Costalampys gen. nov. , to accommodate eleven species. Five new species are herein described: C. bella sp. nov. , C. capixaba sp. nov. , C delicata sp. nov. (designated as type species),...

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Bibliographic Details
Published in:Arthropod systematics & phylogeny 2021-05, Vol.79, p.115-150
Main Authors: da Silveira, Luiz Felipe Lima, Roza, André Silva, Vaz, Stéphanie, Mermudes, José Ricardo M.
Format: Article
Language:English
Subjects:
Analysis
Beetles
Brazil
Discovery and exploration
Identification and classification
Phylogeny
Rain forests
Zoology
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Summary:Here, based on phylogenetic analyses of 18 taxa and 57 morphological characters, we propose a new firefly genus, Costalampys gen. nov. , to accommodate eleven species. Five new species are herein described: C. bella sp. nov. , C. capixaba sp. nov. , C delicata sp. nov. (designated as type species), C. joanae sp. nov. and C. minima sp. nov. In addition, six species are redescribed and transferred from other genera: C. bisbinotata (Pic) comb. nov. , transferred from Platylampis Motschulsky; C. decorata (Olivier) comb. nov. , transferred from Ethra Laporte; C. pauper (Olivier) comb. nov. , transferred from Cladodes Solier; as well as C. klugii (Motschulsky) comb. nov. , C. quadriguttata (Gorham) comb. nov. , and C. tricolor (Gorham) comb. nov. , transferred from Lucidota Laporte. Costalampys gen. nov. is tentatively placed in Lampyrinae, and is diagnosed by: antennae with 11 articles, III–X basally flabellate, lacking dense and upright bristles; clypeus connected to frons by membrane, pygidium rounded; sternum VIII mucronate; phallus with dorsal plate enlarged apically, projecting ventrally and partially embracing the internal sac. Our phylogenetic analyses supported both the monophyly of Costalampys gen. nov. and the new combinations proposed. However, the relationship among congeneric species was poorly resolved. Finally, we provide illustrations of diagnostic features, distribution maps, as well as a key to Costalampys gen. nov. species, based on males.
ISSN:1863-7221
1864-8312
DOI:10.3897/asp.79.e67185