Fig. 14 in Taxonomy, larval morphology and cytogenetics of Lihelophorus, the Tibetan endemic subgenus of Helophorus (Coleoptera: Hydrophiloidea)

Fig. 14. Head appendages of larvae of Lihelophorus and Helophorus s.str. a–b – labium of H. (H.) liguricus Angus, 1970 (a – ventral; b – dorsal). c–h – maxilla: a–d – H. (H.) liguricus (c – ventral; d – dorsal); e–f – H. (Lihelophorus) yangae sp. nov. (e – ventral; f – dorsal); g–h – H. (Lihelophorus) lamicola Zaitzev, 1908 (g – ventral; h – dorsal).