Figures 4–5 in First larval description and chaetotaxic analysis of the neotropical whirligig beetle genus Enhydrus Laporte (Coleoptera, Gyrinidae)

Figures 4–5. Enhydrus sulcatus, first-instar larva. (4) Cephalic capsule, dorsal view, (5) cephalic capsule, ventral view. Numbers and lowercase letters indicate primary setae and pores, respectively. Conspicuous additional setae indicated by solid squares. Inconspicuous additional setae not labeled). EB, egg bursters; FR, frontoclypeus; PA, parietal; TP, tentorial pits. Scale bar = 0.30 mm.