Fig. 1From: Nymphister kronaueri von Beeren & Tishechkin sp. nov., an army ant-associated beetle species (Coleoptera: Histeridae: Haeteriinae) with an exceptional mechanism of phoresyPhoretic transport in Nymphister kronaueri. a Lateral and b dorsal view of Eciton mexicanum s. str. workers with N. kronaueri attached between the ants’ petiole and postpetiole. c, d Close-ups showing N. kronaueri grasping the trunk between petiole and postpetiole with its mandibles. Note how a the legs and c, d the antennae are completely retracted in surface depressions, a common feature in army ant-associated histerid beetles. Image credits: a Daniel Kronauer, b Munetoshi MaruyamaBack to article page