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Atlatlia

Atlatlia is a genus of flies in the family Dolichopodidae. It was originally established for two species found in eucalypt forests in Australia, and was later expanded to include a third Australian species, three species from New Caledonia, and a number of extinct species found in Baltic and Bitterfeld amber from the Paleogene. The appearance of Atlatlia in Baltic/Bitterfeld amber suggests that the genus once had a much wider distribution. In males of the Atlatlia grisea species group, the seventh segment of the abdomen is extremely elongated, forming a hypopygial peduncle. The name of the genus is derived from , the Nahuatl word for "spear-thrower", in reference to the male preabdomen which appears to act as an atlatl for the hypopygial peduncle.

Species

The genus includes fifteen species, which are divided into two species groups:

Atlatlia grisea group:

Atlatlia ulrichi group:

  • Atlatlia angulicauda <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber, Eocene/Oligocene
  • Atlatlia cryptica <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber, Eocene/Oligocene
  • Atlatlia penicillata <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber, Eocene/Oligocene
  • Atlatlia ramosa <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber, Eocene/Oligocene
  • Atlatlia tonsa <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber, Eocene/Oligocene
  • Atlatlia ulrichi <small>Bickel in Bickel & Martin, 2025</small> – Baltic amber and Bitterfeld amber, Eocene/Oligocene

References