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Review and Reclassification of Cataglyphis (Hymenoptera, Formicidae).
The morphology of the male genitalia is highly diverse: their characteristics are used for the differentiation of species groups and as a basis for postulated phylogenetic relationships within the genus.
A formicine in New Jersey cretaceous amber (Hymenoptera: formicidae) and early evolution of the ants.
  • D. Grimaldi, D. Agosti
  • Biology, Geography
    Proceedings of the National Academy of Sciences…
  • 5 December 2000
The apex of the gaster has an acidopore and, thus, allows definitive assignment of the fossil to the large extant subfamily Formicinae, members of which use a defensive spray of formic acid.
New and rediscovered primitive ants (Hymenoptera: Formicidae) in Cretaceous amber from New Jersey, and their phylogenetic relationships
Discovery of new and exclusively primitive ants in upper Cretaceous ambers indicates an origin of the ants probably in the lowermost Cret Jurassic, but no older, contrary to a recent molecular hypothesis.
Revision of the oriental ant genus Cladomyrma, with an outline of the higher classification of the Formicinae (Hymenoptera: Formicidae)
The Oriental ant genus Cladomyrma is revised and possible phylogenetic relationships are discussed, and new morphological characters at the generic level are described and the relationships of Cladamyrma within Formicinae are discussed.
Introduced ants in the United Arab Emirates
These ants abound in man-made, mesic environments and do not reach the characteristic sandy deserts of the region, but most invasive species are probably benign, but the highly competitive S. geminata and L. humile may also threaten the local entomofauna and biodiversity.
Acropyga and Azteca Ants (Hymenoptera: Formicidae) with Scale Insects (Sternorrhyncha: Coccoidea): 20 Million Years of Intimate Symbiosis
A first report and description of Acropyga alates with mealybugs in Dominican amber dated to the Miocene is provided, a discovery indicating that this intimate association and relatively uncommon behavior has existed for at least 15–20 million years.
Revision of the Neotropical ant subfamily Leptanilloidinae
The rare Neotropical ant subfamily Leptanilloidinae is revised and its internal phylogeny and biogeography discussed, and emphasis has been placed on the study of abdominal and sting characters.