Recent progress in beetle palaeontology has incited us to re‐address the evolutionary
history of the group. The Permian† Tshekardocoleidae had elytra that covered the posterior …

With~ 14,000 extant species, ants are ubiquitous and of tremendous ecological importance.
They have undergone remarkable diversification throughout their evolutionary history …

The fossil record allows a unique glimpse into the evolutionary history of organisms living on
Earth today. We discovered a specimen of the stem group ant† Gerontoformica gracilis …

Within the Formicidae, the higher classification of nearly all subfamilies has been recently
revised given the findings of molecular phylogenetics. Here, we integrate morphology and …

Recent studies of insect anatomy evince a trend towards a comprehensive and integrative
investigation of individual traits and their evolutionary relationships. The abdomen of ants …

Abstract Tatuidris tatusia Brown & Kempf, 1968, the armadillo ant, is a morphologically
unique species found in low to high elevation forests in regions of Central and South …

Advanced social behavior, or eusociality, has been evolutionarily profound, allowing
colonies of ants, termites, social wasps, and bees to dominate competitively over solitary …

All∼ 14,000 extant ant species descended from the same common ancestor, which lived∼
140–120 million years ago (Ma). 1, 2 While modern ants began to diversify in the …

For social insects such as ants, the internal organs are likely important in understanding
their eusocial behavior and evolution. Such organs, however, are rarely preserved on …

Myrmecophily is a phenomenon of the symbiosis of organisms that depend on various ant
(Formicidae) societies. Such interspecies associations are found in several unrelated …