Meridiorhantus calidus
(Fabricius, 1792)
Meridiorhantus calidus is a predaceous diving beetle in the Dytiscidae. The was transferred from the Rhantus to Meridiorhantus based on phylogenetic studies. It is found in North America and the Neotropics. The species was originally described by Fabricius in 1792 as Dytiscus calidus.
Pronunciation
How to pronounce Meridiorhantus calidus: //mɛˌrɪ.di.ɔˈræn.təs ˈkæ.lɪ.dəs//
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Identification
Formerly placed in the Rhantus, this can be distinguished from other Rhantus-like beetles by characters supporting its placement in Meridiorhantus. Identification to species level requires examination of male genitalia and other morphological features used in dytiscid .
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Distribution
North America and the Neotropics. GBIF records indicate presence in South America, specifically Colombia (Antioquia and Meta departments).
Similar Taxa
- Rhantus spp.Meridiorhantus calidus was formerly classified in the Rhantus, and shares general body form and coloration with in that genus. Molecular and morphological studies led to its separation into Meridiorhantus.
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Taxonomic History
Originally described as Dytiscus calidus by Fabricius in 1792, later transferred to Rhantus, and subsequently moved to the newly erected Meridiorhantus based on phylogenetic analysis.