Figures 5-14 from: Michat MC, Alarie Y, Watts CHS (2019) Dealing with a hairy beast–larval morphology and chaetotaxy of the Australian endemic diving beetle genus Spencerhydrus (Coleoptera, Dytiscidae, Cybistrini). ZooKeys 884: 53-67. https://doi.org/10.3897/zookeys.884.38391

Figures 5-14 Head appendages of Spencerhydrus species, instar I 5S. latecinctus, right antenna, dorsal aspect 6S. latecinctus, left antenna, ventral aspect 7S. pulchellus, right antenna, dorsal aspect 8S. pulchellus, left antenna, ventral aspect 9S. latecinctus, right mandible, dorsal aspect 10S. pulchellus, right mandible, dorsal aspect 11S. latecinctus, right maxilla, dorsal aspect 12S. latecinctus, left maxilla, ventral aspect 13S. pulchellus, right maxilla, dorsal aspect 14S. pulchellus, left maxilla, ventral aspect. Numbers and lowercase letters indicate primary setae and pores, respectively. Additional setae and pores not labelled. Abbreviations: A1–4: antennomeres 1–4; AN: antenna; MN: mandible; MP1–3: maxillary palpomeres 1–3; MX: maxilla; PPF: palpifer; SP: spinula. Scale bar: 0.30 mm.