Morphology of the head of Amphineurus (Rhamphoneurus) (male). A Head of A. (R.) chiloeanus (lateral view); B Mouthparts of A. (R.) nullus (dorsal view). — Abbreviations: cv, cervical sclerites; hph, hypopharynx; lbl, labella; lbr, labrum; plp, palpus; rst, rostrum; t r, tip rostrum; vt, vertex.

 
 
  Part of: Santos D, Santos RR, Ribeiro GC (2022) Systematics of Amphineurus (Rhamphoneurus Alexander) (Diptera: Tipuloidea: Limoniidae). Arthropod Systematics & Phylogeny 80: 439-494. https://doi.org/10.3897/asp.80.e83035