Key Identification Features
- Jerdon did not observe this distinct ant species in the Carnatic.
- It occurs in multiple distinct forms that cannot be told apart through morphological analysis, which has led to suggestions that the species is currently undergoing a major speciation event.
- Workers of Lasius fuliginosus are black and shiny, with a relatively large, broadly cordate head that has a distinct posterior emargination and rounded occipital lobes.
- Workers emerge to forage, and the nest location can be identified by observing ants carrying food back to the colony.
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