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Figs 29‒32. Living individuals and habitats. 29 in Two new species of the genus Cryptostemma from Japan (Hemiptera: Heteroptera: Dipsocoridae)

Figs 29‒32. Living individuals and habitats. 29 – Cryptostemma miyamotoi sp. nov., male; 30 – C. pavelstysi sp. nov., male; 31 – habitat of C. miyamotoi, Sonosegawa Riv., Sanagouchi-son, Tokushima Pref.; 32 – habitat of C. pavelstysi, near Nagura Dam, Ishigaki Is.

Figs 11‒19 in Two new species of the genus Cryptostemma from Japan (Hemiptera: Heteroptera: Dipsocoridae)

Figs 11‒19. Morphological details of Cryptostemma miyamotoi sp. nov., male (11‒18) and female (19). 11‒12 – abdomen (mediotergite II and sternite II omitted), dorsal (11) and lateral (12) views; 13 – left side of sternite VII, laterodorsal view; 14 – left laterotergite VIII, laterodorsal view; 15 – right laterotergite VIII, laterodorsal view; 16‒17 – left paramere, dorsal and anterior views; 18 – right paramere, dorsal view; 19 – spermatheca.Abbreviations: adpp = anterodorsal projection of pygophore; an = anophore; app = apical process of paramere; bpp = basal process of paramere; g = spermathecal gland; lp = left paramere; lt4‒8 = laterotergite IV‒VIII; mt8 = mediotergite VIII; py = pygophore; rp = right paramere; sc = seminal capsule; st4, 7, 8 = sternite IV, VII, VIII. Scale bars = 0.2 mm for 11‒12; 0.1 mm for 13‒18; 0.05 mm for 19.

Figs 9‒10 in Two new species of the genus Cryptostemma from Japan (Hemiptera: Heteroptera: Dipsocoridae)

Figs 9‒10. Right forewings of Japanese Cryptostemma spp. 9 – Cryptostemma miyamotoi sp. nov., male; 10 – C. pavelstysi sp. nov., male. Abbreviations: cf = costal fracture; clf = claval fracture. Scale bars = 0.2 mm.

Figs 20‒28 in Two new species of the genus Cryptostemma from Japan (Hemiptera: Heteroptera: Dipsocoridae)

Figs 20‒28. Morphological details of Cryptostemma pavelstysi sp. nov., male (20‒27) and female (28). 20‒21 – abdomen, dorsal (20) and lateral (21) views; 22 – left side of sternite VII, laterodorsal view; 23 – left laterotergite VIII, laterodorsal view; 24 – right laterotergite VIII, laterodorsal view; 25‒26 – left paramere, dorsal and anterior views; 27 – right paramere, dorsal view; 28 – spermatheca. Abbreviations: adpp = anterodorsal projection of pygophore; an = anophore; app = apical process of paramere; bpp = basal process of paramere; dag = dorsal abdominal gland scars; g = spermathecal gland; lp = left paramere; lt4–8 = laterotergite IV–VIII; mt8 = mediotergite VIII; py = pygophore; rp = right paramere; sc = seminal capsule; st4, 5, 7, 8 = sternite IV, V, VII, VIII. Scale bars = 0.2 mm for 20‒21; 0.1 mm for 22‒27; 0.05 mm for 28.

Figs 1‒8 in Two new species of the genus Cryptostemma from Japan (Hemiptera: Heteroptera: Dipsocoridae)

Figs 1‒8. Habitus of Japanese Cryptostemma spp., dorsal (1, 3, 5, 7) and lateral (2, 4, 6, 8) views. 1‒4 – Cryptostemma miyamotoi sp. nov., holotype, male (1‒2) and female (3‒4); 5‒8 – C. pavelstysi sp. nov., holotype, male (5‒6) and female (7‒8). Scale bars = 0.5 mm.

FIGURES 19‒22 in First East Asian record of the genus Alpagut (Hemiptera: Heteroptera: Dipsocoridae), with description of a new species and a note on the metacoxal adhesive pad of Dipsocoridae

FIGURES 19‒22. Living individuals and habitats of Alpagut masakazui sp. nov. 19, Specimen from Inomegawa Riv., Izumo-shi, Shimane Pref. (sex unidentified); 20, specimen from Hiikawa Riv., Unnan-shi, Shimane Pref., in the water (sex unidentified); 21–22, habitat, Hiikawa Riv., Unnan-shi, Shimane Pref. The arrow shows the collecting site (the wet moss on the stone in the channel of the river)—all photographs by Masakazu Hayashi, published with permission.

FIGURES 23‒28 in First East Asian record of the genus Alpagut (Hemiptera: Heteroptera: Dipsocoridae), with description of a new species and a note on the metacoxal adhesive pad of Dipsocoridae

FIGURES 23‒28. Scanning electron micrographs of metacoxal adhesive pad of Dipsocoridae members. 23–24, Alpagut masakazui sp. nov., paratype, female; 25–26, Cryptostemma pavelstysi, male; 27–28, Pachycoleus japonicus, female. Arrows show metacoxcal adhesive pad.

FIGURES 16‒18 in First East Asian record of the genus Alpagut (Hemiptera: Heteroptera: Dipsocoridae), with description of a new species and a note on the metacoxal adhesive pad of Dipsocoridae

FIGURES 16‒18. Morphological details of Alpagut masakazui sp. nov. 16, Female genital segments, dorsal view; 17, sper- matheca; 18, right forewing of male, dorsal view. Abbreviations: cf = costal fracture; clf = claval fracture; ct = cuticular thick- ening; d = spermathecal duct; g = spermathecal gland; ip = intermediate piece; le1 and le2 = lamellar expansion 1 and 2; sc = seminal capsule; t7–8 = tergite 7 to 8. Scale bars = 0.5 mm for 18; 0.1 mm for 16–17.

FIGURES 7‒15 in First East Asian record of the genus Alpagut (Hemiptera: Heteroptera: Dipsocoridae), with description of a new species and a note on the metacoxal adhesive pad of Dipsocoridae

FIGURES 7‒15. Morphological details of Alpagut masakazui sp. nov., male. 7–9, Abdomen, dorsal (7), ventral (8), and lat- eral (9) views; 10, left laterotergite 6 with an appendage, laterodorsal view; 11, left laterotergite 7, laterodorsal view; 12, tergite 8, dorsal view; 13–14, left paramere, two different aspects; 15, right paramere, dorsal view. Abbreviations: dag = dorsal abdomi- nal gland scars; app = apical process of paramere; bpp = basal process of paramere; lp = left paramere; lt2–8 = laterotergite 2 to 8; lt6ap = appendage of laterotergite 6; mt7–8 = mediotergite 7 to 8; mt8ap = appendage of mediotergite 8; py = pygophore; rp = right paramere; st7–8 = sternum 7 to 8. Scale bars = 0.2 mm for 7–9; 0.1 mm for 10–15.

FIGURES 1‒6 in First East Asian record of the genus Alpagut (Hemiptera: Heteroptera: Dipsocoridae), with description of a new species and a note on the metacoxal adhesive pad of Dipsocoridae

FIGURES 1‒6. Habitus of Alpagut masakazui sp. nov. 1–3, Holotype, male, dorsal (1), lateral (2), and ventral (3) views; 4–6, paratype, female, dorsal (4), lateral (5), and ventral (6) views. Scale bars = 0.5 mm.