Obrunneus trap-jaw ant first instar larvae head
A study published in Myrmecological News reveals new details about the larval stages of three species of trap-jaw ants. The 292 scanning electron microscope images collected in the study, such as the one above showing the head and mouthparts of a first-instar Obrunneus species, are freely available online. (Photo credit: Eduardo Fox, Daniel Solis, Adrian Smith, Joshua Gibson, CC BY 4.0)