Figs. 16–18 in Larval Morphology and Phylogenetic Relationships of Bunites distigma (Brullé) (Coleoptera: Dytiscidae: Colymbetinae: Colymbetini)

Figs. 16–18. Bunites distigma (first-instar larva). 16–17) Eighth abdominal segment, dorsal and ventral aspects, respectively; 18) Urogomphus, dorsal aspect. AB ¼ eighth abdominal segment, UR ¼ urogomphus. Numbers and lowercase letters refer to primary setae and pores, respectively. Additional setae and pores not labeled. Scale bars ¼ 0.20 mm.