Antrosedes speluncarius Reitter, 1912

Čeplík, Dávid, 2023, Redescription of the genus Antrosedes Reitter, 1912 (Insecta, Coleoptera, Leiodidae, Cholevinae, Leptodirini), Zootaxa 5231 (5), pp. 523-536 : 526

Antrosedes speluncarius Reitter, 1912

( Figs 1–12 )

Antrosedes speluncarius Reitter, 1912: 326 . Type locality: Herzegowina: Aus einer Grotte der Vysošica planina.

Antrosedes speluncarius Reitter : Jeannel 1914: 51; Jeannel, 1924: 361 Laneyrie, 1967: 631; Pretner, 1968: 30; Pretner, 1970: 155; Guéorguiev, 1976: 117; Newton, 1998: 121; Perreau, 2000: 205; Perreau, 2015: 214; Hlaváč, Perreau & Čeplík, 2017: 105; Polak & Mulaomerović, 2021: 546.

Material studied: 4♁♁, 4♀♀: BiH, Visočica planina, Ljeljen Mt., Perala jama 4203, 1745 m., 06.2019 –08.2020, E. Quéinnec and E. Ollivier Lgt. ( PCDČ); 1 ♁, 1♀: Bosnien, Bjelasnica-Gipfel, Setnik Lgt. ( PCDČ) .

Redescription. Body yellowish-brown, BL: 3.47–3.73 mm, L: 2.58–2.84 mm in males and BL: 3.86–3.94 mm, L: 2.94–3.00 mm in females.

Head ( Figs 1–3 ) longer than (HL1) or about as long (HL2) as the pronotum, slightly narrower than pronotum, HW/PW: 0.83–0.86. Head longer than wide, HL1/HW: 1.37–1.50, HL2/HW: 1.10–1.13. Males antennomeres length (mm): (1) 0.14, (2) 0.28–0.30, (3) 0.22–0.25, (4) 0.22, (5) 0.22–0.25, (6) 0.22–0.25, (7) 0.29–0.32, (8) 0.16–0.17, (9) 0.33, (10) 0.33–0.36 and (11) 0.36–0.38. AL males: 2.83–2.91 mm. Male antennomere relative length/relative maximum width ratios: (1) 2.2, (2) 5.6, (3) 5.6, (4) 5.5, (5) 5.8, (6) 6.5, (7) 4.7, (8) 4, (9) 4.5, (10) 4 and (11) 4.2. Females antennomeres length (mm): (1) 0.14–0.15, (2) 0.28–0.30, (3) 0.22–0.25, (4) 0.19–0.22, (5) 0.19–0.22, (6) 0.19–0.21, (7) 0.25–0.28, (8) 0.12–0.17, (9) 0.26–0.28, (10) 0.25–0.28 and (11) 0.30. AL females: 2.41–2.62 mm. Female antennomere relative length/relative maximum width ratios: (1) 2, (2) 5.3, (3) 5.7, (4) 4.4, (5) 4.8, (6) 4.4, (7) 3.4, (8) 2.2, (9) 2.3, (10) 2.9 and (11) 3.2.

Pronotum ( Figs 1, 2 , 5 ) slightly wider than long, PW/PL: 1.07–1.18.

Elytra ( Fig. 1 ) elongate, EL/EW: 1.46–1.64 in males, 1.44–1.54 in females. The length of the basal apophysis of the metanotum (alacrista) ( Fig. 4 ) 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, undilated ( Fig. 1 ) and shorter or about as long as the pronotum, PRTL/PL: 0.78–0.97.

Aedeagus 0.74–0.83 mm long. Inner sac of median lobe with developed chitinized structures, as is illustrated ( Figs 9, 10 ). Female genitalia as in illustrations ( Figs 11, 12 ).

Biology: Subterranean species, so far known exclusively from caves and pits.

Distribution: Bosnia and Herzegovina, Visočica planina ( Fig. 28 ).

This species was described from “Aus einer Grotte der Vysošica planina” ( Reitter, 1912) and subsequently recorded from: Herzégovine (cavern.) ( Jeannel, 1914); Cavernicole, Herzégovine: grottes du Vysočica planina (C. Setnik) ( Jeannel, 1924); Yougoslavie (Herzégowine) ( Laneyrie, 1967); BH (H: Visočica planina), endem. ( Pretner, 1968); Bosnia Herzégovine ( Guéorguiev, 1976); v jamach na Visočici v Hercegovini ( Pretner, 1970); Bosnia, Herzegovina ( Newton, 1998); Bosnie-Herzégovine: cavités du Visočica planina ( Perreau, 2000); BH (Visočica planina) ( Perreau, 2015); BiH (Visočica planina) ( Hlaváč, Perreau & Čeplík, 2017); Buca del Viglie, Luka, Zavodnica, Visočica pl. (BiH) ( Polak & Mulaomerović, 2021).

Figures

FIGURE 28. Distribution of the genus Antrosedes Reitter, 1912. 1: Antrosedes speluncarius, Reitter, 1912. 2: Antrosedes longicollis, Pretner, 1970.

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.