General anatomy of H. dujardini . Scale bars equal 25 μm (A) Differential interference micrograph showing ventrolateral view of the left side of an adult H. dujardini specimen. The anteroposterior axis includes a head and four trunk segments, each with a pair of legs (left legs are in focus). (B) Light micrograph of an adult laying eggs in its exuvia during molting. (C) DIC micrograph of the ventral head of an adult H. dujardini specimen. (D) DIC micrograph of the leg claws of the anterior three right legs. Abbreviations: bu, buccal tube; c, claw; e, eggs; fu, furca; le, leg; mo, mouth; ph, pharyngeal bulb; st, stylet.