Antrosedes Reitter, 1912

Čeplík, Dávid, 2023, Redescription of the genus Antrosedes Reitter, 1912 (Insecta, Coleoptera, Leiodidae, Cholevinae, Leptodirini), Zootaxa 5231 (5), pp. 523-536 : 524-525

publication ID

https://doi.org/ 10.11646/zootaxa.5231.5.2

publication LSID

lsid:zoobank.org:pub:1466EF04-044D-4DAA-B020-66A14A0243B5

DOI

https://doi.org/10.5281/zenodo.7614740

persistent identifier

https://treatment.plazi.org/id/57765961-802A-FFB9-FF64-5E88C662F8A2

treatment provided by

Plazi

scientific name

Antrosedes Reitter, 1912
status

 

Genus Antrosedes Reitter, 1912 View in CoL

( Figs 1–27 View FIGURES 1–2 View FIGURES 3–4 View FIGURES 5–8 View FIGURES 9–12 View FIGURES 13–17 View FIGURES 18–22 View FIGURES 23–27 )

Type species: Antrosedes speluncarius Reitter, 1912: 326 .

Antrosedes Reitter View in CoL : Jeannel 1914: 51; Jeannel, 1924: 360; Laneyrie, 1967: 603; 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.

Redescription. BL: 3.47–3.93 mm, L: 2.58–3.00 mm in males and BL: 3.86–4.02 mm, L: 2.94–3.13 mm in females.

Head ( Figs 1, 2 View FIGURES 1–2 , 3 View FIGURES 3–4 , 13 View FIGURES 13–17 ) longer than (HL1) or about as long as (HL2) the pronotum, slightly narrower than pronotum, HW/PW: 0.77–0.88. Head longer than wide, HL1/HW: 1.36–1.60, HL2/HW: 1.10–1.33. Eyes absent, genae covered with several fine setae. Transverse occipital crest weakly defined. Antennae inserted in the middle of HL2. Clypeus subhexagonal, clypeofrontal suture relatively distinct, clypeus and labrum setose. Head pubescent with punctation more or less dense and relatively deep. Mandibles robust and sharply pointed, with apical and subapical incisors. Terminal maxillary palpomere conical, apically pointed, slender and shorter than the more or less longer and wider penultimate palpomere. The ventral surface of the head more or less setose. Gula glabrous and with some transversal wrinkles, genae with transversal wrinkles, glabrous or with several fine setae. The hypostomal suture is developed and clearly visible. Submentum almost confluent with gula, separated from mentum by transverse suture. Submentum covered with several longer, medium sized and fine setae. Mentum with some longer, medium sized and fine setae. Cardo glabrous or with one–two fine setae, basistipes and mediostipes subtriangular, covered with several fine setae.

All antennomeres ( Figs 1, 2 View FIGURES 1–2 , 16 View FIGURES 13–17 ) longer than wide and slightly to strongly pubescent, the 1st antennomere shorter than the 2nd ( Figs 3 View FIGURES 3–4 , 13 View FIGURES 13–17 ), the 2nd longer than the 3rd, the 3rd longer or as long as the 4th, the 4th shorter or as long as the 5th, the 5th longer or as long as the 6th, the 6th shorter than the 7th, the 7th longer than the 8th, the 8th shorter than the 9th, the 9th shorter, longer or as long as the 10th, and the 10th shorter or as long as the 11th. The length of antennomeres is approximately 79–81% of the total body length (BL) in males and 64–68% in females. Antennae slightly longer than or as long as the length (L) in males and approximately 85–87% of the length (L) in females. Males antennomeres length (mm): (1) 0.14, (2) 0.28–0.30, (3) 0.22–0.25, (4) 0.22–0.25, (5) 0.22–0.30, (6) 0.22–0.28, (7) 0.29–0.39, (8) 0.16–0.17, (9) 0.33–0.39, (10) 0.33–0.36 and (11) 0.36–0.42. AL males: 2.83–3.20 mm. Male antennomere relative length/relative maximum width ratios: (1) 2–2.2, (2) 5–5.6, (3) 4.5–5.6, (4) 5–5.5, (5) 5.8–6.3, (6) 5.6–6.5, (7) 3.7–4.7, (8) 3–4, (9) 4.5, (10) 3.5–4 and (11) 4.2–4.5. 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) 0.19–0.28, (6) 0.19–0.25, (7) 0.25–0.32, (8) 0.12–0.17, (9) 0.26–0.29, (10) 0.25–0.28 and (11) 0.30. AL females: 2.41–2.71 mm. Female antennomere relative length/relative maximum width ratios: (1) 2, (2) 4.9–5.3, (3) 4–5.7, (4) 4.4–4.7, (5) 4.8–5.4, (6) 4.4–4.7, (7) 3.4–3.7, (8) 2.2–3, (9) 2.3–3.5, (10) 2.8–2.9 and (11) 3.2–3.3.

Pronotum ( Figs 1, 2 View FIGURES 1–2 , 5 View FIGURES 5–8 , 20, 22 View FIGURES 18–22 ) slightly wider than long, PW/PL: 1.07–1.18, about as long as wide, PL/PW: 1.00–1.02 or slightly longer than wide PL/PW: 1.06.

Elytra ( Figs 1 View FIGURES 1–2 , 18 View FIGURES 18–22 , 26 View FIGURES 23–27 ) longer than wide, EL/EW: 1.46–1.94 in males, 1.44–1.62 in females. Scutellum triangular and for the most part hidden under the posterior part of pronotum. The length of the basal apophysis of the metanotum (alacrista) ( Figs 4 View FIGURES 3–4 , 18, 19, 21 View FIGURES 18–22 , 26 View FIGURES 23–27 ) is approximately 9–14% of the elytral length. The membranous hindwings ( Figs 4 View FIGURES 3–4 , 19, 21 View FIGURES 18–22 ) strongly reduced and present as very small flap-like membranous structures inserted at the posterior end of the metanotum.

Venter ( Figs 2 View FIGURES 1–2 , 5, 6, 7 View FIGURES 5–8 , 20 View FIGURES 18–22 ). Mesoventrite with small projection/dentation on apical part ( Figs 2 View FIGURES 1–2 , 6, 7 View FIGURES 5–8 , 19, 20 View FIGURES 18–22 ). Mesoventral process long, completely separates mesocoxal cavities ( Figs 2 View FIGURES 1–2 , 6 View FIGURES 5–8 , 20 View FIGURES 18–22 ). Metacoxae separated by bifid posterior metaventral process ( Figs 6 View FIGURES 5–8 , 20 View FIGURES 18–22 ).

Metendosternite with arms longer than the stalk ( Figs 8 View FIGURES 5–8 , 21 View FIGURES 18–22 ).

Legs long, slender and pubescent ( Figs 1, 2 View FIGURES 1–2 , 17 View FIGURES 13–17 , 23 View FIGURES 23–27 ). Protibia longer than pronotum, PTL/PL: 1.36–1.47 in males, 1.15–1.30 in females. Spines along the lateral outer margin of protibia reaching approximately apical third or apical half of protibial length ( Fig. 17 View FIGURES 13–17 ). Male protarsi slender, undilated ( Fig. 1 View FIGURES 1–2 ) or slightly dilated ( Fig. 17 View FIGURES 13–17 ) and shorter or approximately as long as pronotum, PRTL/PL: 0.78–1.00. Female protarsi undilated ( Figs 2 View FIGURES 1–2 , 23 View FIGURES 23–27 ) and shorter than pronotum, PRTL/PL: 0.79–0.84. Mesotarsi and metatarsi pentamerous in both sexes. Tarsal empodium with long bifid empodial seta ( Figs 17 View FIGURES 13–17 , 23 View FIGURES 23–27 ). Tenent setae are clearly visible on protarsi and mesotarsi. Claws well developed and curved. Internal subapical side of tibia with two spurs (visible from ventral aspect).

Aedeagus elongate, 0.67–0.83 mm long, sclerotised ( Figs 9, 10 View FIGURES 9–12 , 14, 15 View FIGURES 13–17 ). Inner sac of median lobe with developed chitinized structures ( Figs 9 View FIGURES 9–12 , 15 View FIGURES 13–17 ). Median lobe from dorsal aspect sub-parallel, then slightly widened and distinctly narrowed towards apex which is beak-shaped and slightly longer than parameres. Parameres elongate, thin, arcuate, curved inward apically, slightly shorter than median lobe, slightly curved before apex club which bears three setae. Basal lamina of the median lobe without developed posterior expansion. Inner sac of aedeagus (endophallus) consists of sclerotized apical structures and „Y“ shaped basal phanera. Spermatheca ( Figs 11 View FIGURES 9–12 , 27 View FIGURES 23–27 ) with basal, narrow medial and apical regions. Female sternite VIII pubescent with developed anterior expansion ( Figs 12 View FIGURES 9–12 , 25 View FIGURES 23–27 ). Each style with four setae, stylus cylindrical, with one long seta ( Figs 11 View FIGURES 9–12 , 24 View FIGURES 23–27 ).

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

Distribution: Bosnia and Herzegovina: Visočica planina and Vitez, Kruščica planina ( Fig. 28 View FIGURE 28 ).

Remarks: The genus Antrosedes is classified in the Apholeuonus phyletic line ( Jeannel 1911, Jeannel 1924, Perreau 2000: 204–214). This genus is morphologically distinguished from the most similar genera, namely Protobracharthron , Spelaites , Leonhardia , Setnikia and Katobatizon , all grouped in Apholeuonus phyletic line as follows:

• from Protobracharthron Reitter, 1889 (studied female specimen of Protobracharthron dusinae Ćurčić, Rađa & Mulaomerović, 2014 ) by: 1) the total body length (BL) 5.19 mm against 3.47–4.02 mm in Antrosedes , 2) PTL/PL: 1.50 against PTL/PL: 1.15–1.47 in Antrosedes , 3) mesocoxal cavities partially confluent with long mesoventral process against the mesoventral process very long, completely separateing mesocoxal cavities in Antrosedes and 4) the length of the basal apophysis of the metanotum (alacrista) which is 16% of the elytral length against 9–14% in Antrosedes .

• from Spelaites grabowskii Apfelbeck, 1907 by: 1) the total body length (BL) 5.25–5.31 mm against 3.47–4.02 mm in Antrosedes , 2) the length of the basal apophysis of the metanotum (alacrista) which is 19–20% of the elytral length against 9–14% in Antrosedes and 3) the aedeagus which is 1.00 mm long against 0.67–0.83 mm long in Antrosedes .

• from Leonhardia Reitter, 1901 (studied specimens of Leonhardia hilfi Reitter, 1901 , Leonhardia droveniki Perreau, 1999 , Leonhardia sebesicensis Ćurčić, Pavićević & Mulaomerović, 2018 and Leonhardia cf. reitteri ) by: 1) the head markedly narrower than pronotum, HW/PW: 0.56–0.70 against the head slightly narrower than pronotum in Antrosedes, HW /PW: 0.77–0.88, 2) the mesoventral carina well developed against a small projection/dentation on apical part of the mesoventrite in Antrosedes , 3) the length of the basal apophysis of the metanotum (alacrista) which is 4–10% of the elytral length against 9–14% in Antrosedes and 4) the length of antennomeres which is approximately 50–65% of the total body length (BL) against 64–81% of the total body length (BL) in Antrosedes .

• from Setnikia leonhardi Breit, 1913 by: 1) the head markedly narrower than pronotum, HW/PW: 0.60 against the head slightly narrower than pronotum in Antrosedes, HW /PW: 0.77–0.88, 2) the mesoventral carina well developed against a small projection/dentation on apical part of the mesoventrite in Antrosedes , 3) the length of antennomeres which is approximately 54–63% of the total body length (BL) against 64–81% of the total body length (BL) in Antrosedes and 4) the aedeagus which is 1.14 mm long against 0.67–0.83 mm long in Antrosedes .

• from Katobatizon Knirsch, 1928 (studied specimens of Katobatizon antennarium Knirsch, 1928 and Katobatizon apfelbecki Ćurčić & Rađa, 2014 ) by: 1) the head markedly narrower than pronotum, HW/PW: 0.56–0.70 against the head slightly narrower than pronotum in Antrosedes, HW /PW: 0.77–0.88, 2) the mesoventral carina well developed against a small projection/dentation on apical part of the mesoventrite in Antrosedes and 3) the aedeagus which is 0.59–0.65 mm long against 0.67–0.83 mm long in Antrosedes .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Leiodidae

Loc

Antrosedes Reitter, 1912

Čeplík, Dávid 2023
2023
Loc

Antrosedes

Polak, S. & Mulaomerovic, J. 2021: 546
Hlavac, P. & Perreau, M. & Ceplik, D. 2017: 105
Perreau, M. 2015: 214
Perreau, M. 2000: 205
Newton, A. F. 1998: 121
Gueorguiev, V. B. 1976: 117
Pretner, E. 1970: 155
Pretner, E. 1968: 30
Laneyrie, R. 1967: 603
Jeannel, R. 1924: 360
Jeannel, R. 1914: 51
1914
GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF