Abstract
Two new species of weaver ant are described from the Eocene of Germany. Males and gynes of Oecophylla longiceps Dlussky sp. nov. are found in the middle Eocene (about 47 Ma) of Grube Messel, Germany. Males, gynes and two workers of O. eckfeldiana Dlussky sp. nov. are recorded from the middle Eocene (about 43 Ma) of Eckfeld maar, Germany. The two new species are among the oldest records of the extant genus Oecophylla. First adaptations for moving in the forest canopy are present in the workers of O. eckfeldiana. Even more specialized adaptations for arboreal life are found in the workers of O. brischkei from Baltic amber. The coexistence of two species in Baltic amber and in the Bembridge marls suggests that in these cases different ecological niches were realised by sympatric species. Comparisons of the queens from different fossil and extant species indicate morphological trends, partly connected with increasing fertility. Most likely Oecophylla originated in the early Paleogene in the Palaearctic realm,...
Highlights
Two new species of weaver ant are described from the Eocene of Germany
Males and gynes of Oecophylla longiceps Dlussky sp. nov. are found in the middle Eocene of Grube Messel, Germany
Gynes and two workers of O. eckfeldiana Dlussky sp. nov. are recorded from the middle Eocene of Eckfeld maar, Germany
Summary
Two new species of weaver ant are described from the Eocene of Germany. Males and gynes of Oecophylla longiceps Dlussky sp. Are found in the middle Eocene (about 47 Ma) of Grube Messel, Germany.
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