Riffle Beetles

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figures 2–4.Hypsilara royi sp. n. 2 Habitus, dorsal view; Scale bar = 2 mm 3 Habitus, ventral view 4 Habitus, lateral view.

Figures 2–9.Habitus (not to scale) of 2 Ancyronyx minerva, adult 3 Ancyronyx tamaraw, sp. n. adult 4 Ancyronyx buhid, sp. n., adult 5 Ancyronyx minerva, larva 6 Ancyronyx tamaraw, sp. n., larva 7 Ancyronyx buhid, sp. n., larva 8 Ancyronyx schillhammeri, adult 9 Ancyronyx schillhammeri, larva.

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figure 5–7.Hypsilara royi sp. n. 5 Hind wing 6 Male genitalia 7 Female genitalia.

Figures 2–9.Habitus (not to scale) of 2 Ancyronyx minerva, adult 3 Ancyronyx tamaraw, sp. n. adult 4 Ancyronyx buhid, sp. n., adult 5 Ancyronyx minerva, larva 6 Ancyronyx tamaraw, sp. n., larva 7 Ancyronyx buhid, sp. n., larva 8 Ancyronyx schillhammeri, adult 9 Ancyronyx schillhammeri, larva.

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figures 8–13.Hypsilara royi sp. n. 8 Antenna 9 Maxillary palp 10 Pronotum, dorsal view 11 Elytron 12 Elytron, detail 13 Elytron, setae removed to show configuration.

Figure 10.Ancyronyx tamaraw Freitag, sp. n., (SEM photographs in greyscale, stereo microscope photographs in colour; not to scale: see respective chapter for size measurements); adult male: A head, frontal B antenna, frontal C maxillary and labial palpi, frontal D head, ventral E throax and abdomen, ventral; adult female: F, G ventrite 5, ventral; adult male: H, I ventrite 5, ventral; adult female: J, K tergite VIII, dorsal; adult male: L, M tergite VIII, dorsal.

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figures 14–17.Hypsilara royi sp. n. 14 Metaventrite 15 Tarsal claw, lateral view 16 Tarsal claw, ventral view 17 Abdomen, ventral view.

Figure 11.Ancyronyx tamaraw Freitag, sp. n., (SEM photographs in greyscale, stereo microscope photographs in colour; not to scale: see respective chapter for size measurements); adult male: A aedeagus, ventral B aedeagus, dorsal C, D aedeagus, lateral E sternite IX, ventral; adult female: F, G ovipositor, ventral; adult male: H sternite VIII, ventral; adult female: I sternite VIII, ventral.

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figures 2–4.Hypsilara royi sp. n. 2 Habitus, dorsal view; Scale bar = 2 mm 3 Habitus, ventral view 4 Habitus, lateral view.

Figure 12.Ancyronyx tamaraw Freitag, sp. n., larva (SEM photographs; not to scale): A detail of abdominal segment III, lateral, with posterolateral projections and spiracles B head, dorsal C head, frontal D head, ventrolateral E meso- and metathoracic and first and second abdominal segments, ventral F lateral parts of median sclerites of abdominal venter, with setiferous tubercles and lateral projections G abdominal segments VIII and IX, dorsal H operculum, ventral.

Gudenå opstrøms Klostermølle

Hampen Sø, Midtjylland, Danmark

Figure 5–7.Hypsilara royi sp. n. 5 Hind wing 6 Male genitalia 7 Female genitalia.

Figures 2–9.Habitus (not to scale) of 2 Ancyronyx minerva, adult 3 Ancyronyx tamaraw, sp. n. adult 4 Ancyronyx buhid, sp. n., adult 5 Ancyronyx minerva, larva 6 Ancyronyx tamaraw, sp. n., larva 7 Ancyronyx buhid, sp. n., larva 8 Ancyronyx schillhammeri, adult 9 Ancyronyx schillhammeri, larva.