FIGURES 14–19 in Description of two final stadium Onychogomphus larvae from Thailand (Odonata: Gomphidae)

FIGURES 14–19. Onychogomphus duaricus Fraser: (14) antenna, dorsal view; (15) right mandible, ventral and internal views; (16) left mandible, ventral and internal views; (17) right maxilla, ventral view; (18) ventral view of prementum; (19) dorsal view of anal appendages. Scale = 1 mm (14, 18, 19), 0.5 mm (15, 16, 17).Published as part of Chainthong, Damrong & Boonsoong, Boonsatien, 2016, Description of two final stadium Onychogomphus larvae from Thailand (Odonata: Gomphidae), pp. 561-570 in Zootaxa 4066 (5) on page 567, DOI: 10.11646/zootaxa.4066.5.4, http://zenodo.org/record/25598