Fossil water striders in Cretaceous French amber (Heteroptera: Gerromorpha: Mesoveliidae and Veliidae)
Fossil gerromorphan bugs from the Cretaceous (Albian–Cenomanian boundary) amber of Charentes, SW France, are reviewed. A larva described by Perrichot et al. (2005) as incertae familiae within the Gerromorpha is now placed in the Mesoveliidae. Three new genera and species are also described and illustrated: Emilianovelia audax Solórzano Kraemer & Perrichot, gen. et sp.n., and Malenavelia videris Solórzano Kraemer & Perrichot, gen. et sp.n., which are placed in the Mesoveliidae: Mesoveliinae; and Arcantivelia petraudi Solórzano Kraemer & Perrichot, gen. et sp.n., which is the first Mesozoic member of the Veliinae. The relationships between these fossils and their palaeoecology are discussed. The new discoveries confirm the antiquity of the semi‐aquatic gerromorphans, particularly the clade (Veliidae + Gerridae). The habitat is described as aquatic and likely marine‐influenced, yet adaptation to a fully marine habitat in these gerromorphans remains difficult to establish.
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Document Type: Research Article
Publication date: July 1, 2014