FIGURES 18–21 in Description of the preimaginal stages of Enochrus (Hugoscottia) variegatus (Steinheil, 1869) and E. (Methydrus) vulgaris (Steinheil, 1869) (Coleoptera: Hydrophilidae), with emphasis on larval morphometry and chaetotaxy

FIGURES 18–21. Enochrus vulgaris, first-instar larva: 18, right antenna, dorsal view. Enochrus vulgaris, third-instar larva: 19, left mandible, dorsal view; 20, right mandible, dorsal view; 21, head capsule, dorsal view. Scale bars: Figs. 18–20 = 0.05 mm, Fig. 21 = 0.1 mm.Published as part of Byttebier, Barbara & Torres, Patricia L. M., 2009, Description of the preimaginal stages of Enochrus (Hugoscottia) variegatus (Steinheil, 1869) and E. (Methydrus) vulgaris (Steinheil, 1869) (Coleoptera: Hydrophilidae), with emphasis on larval morphometry and chaetotaxy, pp. 1-22 in Zootaxa 2139 on page 11, DOI: 10.5281/zenodo.18852