Probolomyrmex

Homology (Bi)Weekly: Dentiform Labral Setae

Saturday, May 9th, 2009 | Ants, Comparative Anatomy, Homology Weekly, Morphology, Taxonomy | Comments Off on Homology (Bi)Weekly: Dentiform Labral Setae

Red Hot Chilli Peppers? No, dentiform setae in the labrum of <i>Onychomyrmex doddi</i> worker (Scanning Electron Micrograph, Roberto Keller/AMNH)

Red Hot Chilli Peppers? No, dentiform setae in the labrum of an Onychomyrmex doddi worker (Scanning Electron Micrograph, Roberto Keller/AMNH)

Just as the anterior margin of an ant’s cranium can sometimes be armed with rows of dentiform clypeal setae (that is, especially modified hairs), the lid that closes the insect’s mouth called labrum can bear identical structures. The image above shows two of these specialized teeth-like pieces (in red) flanking an empty broad socket where a third piece used to be inserted.

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And as we discussed last semester, the Army Ants will leave nothing but your bones.
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