Fossil water striders from the Middle Eocene fossil sites of Eckfeld and Messel,Germany (Hemiptera,Gerromorpha) |
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Authors: | Torsten Wapple Nils M/oller Andersen |
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Institution: | (1) Division of Applied Biosciences, Laboratory of Insect Ecology, Graduate School of Agriculture, Kyoto University, 606-8502 Kyoto, Japan |
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Abstract: | Water striders (Hemiptera, Gerromorpha) are a very distinct ecological group specially adapted for life on the water surface.
The present paper reports on four species of Gerromorpha from the Middle Eocene fossil sites of Eckfeld and Messel describingLutetiabates eckfeldensis n. gen. et n. sp.,Cylindrobates messelensis n. gen. et n. sp. (both Gerridae), and two nymphs most probably of the genusGerris. The record of two new members of Gerridae from the Paleogene as well as the hitherto known Gerromorpha from fossiliferous
resins document a distinctly higher diversity of water striders within die European Paleogene than today. Lastly, comments
are made on the fossil history as well as on the palaeobiological and palaeobiogeographical significance of the faunas. |
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