Antrosedes, Reitter, 1912

Čeplík, Dávid, 2023, Redescription of the genus Antrosedes Reitter, 1912 (Insecta, Coleoptera, Leiodidae, Cholevinae, Leptodirini), Zootaxa 5231 (5), pp. 523-536 : 535

Identification key to species of Antrosedes

1 (2) BL: 3.47–3.94 mm, L: 2.58–3.00 mm. AL: 2.41–2.91 mm. Pronotum slightly wider than long, PW/PL: 1.07–1.18. Elytra, EL/EW: 1.44–1.64. The length of the basal apophysis of the metanotum (alacrista) is approximately 9–14% of elytral length. Spines along the lateral outer margin of protibia reaching approximately apical third of protibial length. Male protarsi slender and undilated. Aedeagus 0.74–0.83 mm long....................... Antrosedes speluncarius Reitter, 1912 ( Figs 1–12 ).

2 (1) BL: 3.87–4.02 mm, L: 2.99–3.13 mm. AL: 2.71–3.20 mm. Pronotum approximately as long as wide in males, PL/PW: 1.00– 1.02 and slightly longer than wide in females, PL/PW: 1.06. Elytra, EL/EW: 1.60–1.94. The length of the basal apophysis of the metanotum (alacrista) is approximately 13–14% of elytral length. Spines along the lateral outer margin of protibia reaching approximately apical half of protibial length. Male protarsi slender and slightly dilated. Aedeagus 0.67–0.72 mm long................................................................. Antrosedes longicollis Pretner, 1970 ( Figs 13–27 ).

Figures

FIGURES 1–2. Antrosedes speluncarius, Reitter, 1912. 1: male habitus, dorsal aspect, scale bar 2.60 mm. 2: female habitus, ventral aspect, scale bar 3.00 mm.

FIGURES 3–4. Antrosedes speluncarius, Reitter, 1912. 3: head, dorsal aspect, scale bar 0.64 mm. 4: scutellum, metatergal apparatus, without scale bar.

FIGURES 5–8. Antrosedes speluncarius, Reitter, 1912. 5: female pronotum, ventral aspect, scale bar 0.72 mm. 6: male venter, without scale bar. 7: male mesoventral projection/dentation, right lateral aspect, scale bar 0.11 mm. 8: metendosternite, scale bar 0.72 mm.

FIGURES 9–12. Antrosedes speluncarius, Reitter, 1912. 9–10: aedeagus, dorsal and left lateral aspects, scale bar 0.78 mm. 11: spermatheca, scale bar 0.14 mm and style, scale bar 0.22 mm. 12: female sternite VIII, scale bar 0.27 mm.

FIGURES 13–17. Antrosedes longicollis, Pretner, 1970. 13: head, dorsal aspect, scale bar 0.88 mm. 14–15: aedeagus, left lat- eral and dorsal aspects, scale bar 0.72 mm. 16: right antenna, scale bar 3.20 mm. 17: right male protarsus, scale bar 0.69 mm.

FIGURES 18–22. Antrosedes longicollis, Pretner, 1970. 18: male elytra, dorsal aspect, scale bar 2.30 mm. 19: mesothorax, right lateral aspect, without scale bar. 20: venter, scale bar 0.53 mm. 21: metatergal apparatus, metendosternite, scale bar 0.65 mm. 22: male pronotum, dorsal aspect, scale bar 0.69 mm.

FIGURES 23–27. Antrosedes longicollis, Pretner, 1970. 23: female right protarsus, scale bar 0.64 mm. 24: style, scale bar 0.20 mm. 25: female sternite VIII, scale bar 0.26 mm. 26: scutellum, elytra, metatergal apparatus, scale bar 0.32 mm. 27: spermatheca, scale bar 0.19 mm.