Ascelosodis
Creators: name: Ren, Guo-Dong
name: Shi, Ai-Min
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Tenebrionidae
Ascelosodis

description: Key to the Chinese species of the genus Ascelosodis
1. Posterior margin of visible abdominal ventrite 5 with a triangular incision (Figs 43–44). Pronotum widest in the middle, lateral margins arcuately protruding, anterior angles acute, posterior ones rounded (Fig. 42). Elytral base only bordered laterally, shoulders not prominent. Body length: 6.2–8.1 mm ....................................................... ....................................................................... A. emarginiventris Koch, 1948 (Fig. 149)
­ Posterior margin of visible abdominal ventrite 5 rounded, without triangular incision.. ....................................................................................................................................... 2
2. Pronotum with lateral margins weakly sinuate before posterior angles, posterior angles clearly rectangular (Figs 83, 130). Sides of prothorax and elytra ciliate beneath. Anterior and posterior borders of pronotum interrupted in the middle. Elytral base clearly bordered............................................................................................................3
­ Pronotum with lateral margins rounded, posterior angles obtuse or rounded (Figs 3, 16, 29, 57, 70, 96, 104, 117).......................................................................................... 4
3. Body moderately shiny. Lateral margins of pronotum rounded in the middle (Fig. 130). Sides of prothorax and elytra sparsely ciliate beneath. Pronotum and elytra strongly punctate. Body length: 7.2–8.9 mm ........... A. thibetana Blair, 1923 (Fig. 156)
­ Body noticeably shiny. Lateral margins of pronotum slightly rounded (Fig. 83). Sides of prothorax and elytra densely ciliate beneath. Pronotum and elytra feebly and sparsely punctate. Body length: 6.6–8.7 mm ................ A. nitida Blair, 1923 (Fig. 152)
4. Clypeal lobe separated from lateral lobes by deep incisions (Figs 15, 28, 95, 116) .... 5
­ Clypeal lobe separated from lateral lobes by shallow incisions (Figs 2, 56, 69, 103).. 9
5. Intercoxal process of prosternum acute, strongly and horizontally prominent behind coxae. Pronotum with anterior margin and base finely bordered along entire length, posterior angles obtuse. Elytral apex rounded. Body length: 6.0– 6.7 mm .................... ..................................................................................... A. reinigi Koch, 1948 (Fig. 153)
­ Intercoxal process of prosternum obtuse or rounded, sloping behind coxae ................ 6
6. Body not shiny. Sides of prothorax and elytra not ciliate beneath. Clypeal lobe clearly prominent. Vertex very finely and sparsely punctate. Anterior and posterior borders of pronotum widely interrupted in the middle. Humeral angles of elytra rounded. Body length: 5.5–7.5 mm ...................................................................... A. waltoni Blair, 1923
­ Body shiny. Sides of elytra sparsely ciliate beneath ..................................................... 7
7. Clypeal lobe rounded (Fig. 116). Pronotum with anterior angles acute and prominent (Fig. 117). Humeral angles of elytra obtuse and rounded. Outer apical angles of protibiae extending to anterior margin of protarsomere 4. Body length: 6.3–8.0 mm ............ ...................................................................... A. serripes Redtenbacher, 1868 (Fig. 155)
­ Clypeal lobe of head more or less truncate (Figs 15, 28). Anterior angles of pronotum obtuse or rounded (Figs 16, 29) .................................................................................. 8
8. Vertex with dense coarse punctures (Fig. 141). Antennomere 3 elongate, much longer than antennomere 2 (Fig. 14). Lateral margins of pronotum not uprising. Humeral angles of elytra obtuse. Elytral surface with dense coarse punctures. Apex of parameres pointed, with setae concealed by median lobe in ventral view (Figs 17–19). Body length: 5.3–6.3 mm ........................................... A. punctulata, sp. nov. (Fig. 147)
­ Vertex with dense V­shaped rugae (Fig. 142). Antennomere 3 not elongate, about as long as antennomere 2 (Fig. 27). Lateral margins of pronotum distinctly uprising. Humeral angles of elytra nearly rectangular. Elytral surface with dense smooth tubercles. Apex of parameres without setae (Figs. 30–32). Body length: 4.9–5.7 mm ......... ....................................................................................... A. rugulosa, sp. nov. (Fig. 148)
9. Posterior angles of pronotum obtuse (Fig. 3). Clypeal lobe moderately prominent (Fig. 2). Anterior margin and base of pronotum bordered along entire length. Pronotal disc with dense coarse punctures. Humeral angles of elytra rounded. Outer margins of protibiae obviously serrate, outer apical angles elongate, extending beyond anterior
margin of protarsomere 4. Body length: 6.2–8.3 mm ..................................................... ................................................................................... A. emarginata, sp. nov. (Fig. 146) ­ Posterior angles of pronotum rounded (Figs 57, 70, 104). Clypeal lobe very weakly prominent (Figs 56, 69, 103)....................................................................................... 10
10. Body relatively large and slender. Humeral angles of elytra distinct and somewhat prominent. Pronotum obviously transverse, lateral margins rounded, upper surface finely and sparsely punctate (Figs 70, 143). Elytra elongate­ovate, surface with muricate punctures; sides ciliate beneath. Body length: 6.9–8.0 mm..................................... ....................................................................................... A. haagi Bates, 1879 (Fig. 151)
­ Body relatively small and robust. Humeral angles of elytra rounded......................... 11
11. Anterior margin of clypeal lobe straight. Anterior angles of pronotum broadly rounded. Outer apical angles of protibiae almost as long as protarsi. Sides of prothorax and elytra ciliate beneath. Vertex and pronotum with coarse muricate punctures. Pronotum with anterior margin clearly bordered along entire length, posterior border interrupted in the middle. Body length: 5–6 mm ..................... A. longstaffi Blair, 1923
­ Anterior margin of clypeal lobe weakly and arcuately prominent (Figs 56, 103). Anterior angles of pronotum obviously rectangular (Figs 57, 104). Outer apical angles of protibiae shorter than protarsi .................................................................................... 12
12. Genae much wider than eyes, and sharply extending before eyes (Fig. 56). Vertex and pronotum with coarse punctures. Pronotum widest near the middle, lateral margins very rounded, surface with coarse punctures laterally (Figs 57, 144). Body length: 5–6.4 mm ................................................................. A. everestina Blair, 1923 (Fig. 150)
­ Genae as wide as eyes, and parallel­sided before eyes (Fig. 103). Vertex and pronotum with fine punctures. Pronotum widest near the base, lateral margins slightly rounded, surface with simple punctures (Figs. 104, 145). Body length: 4.8–6.4 mm .................. ................................................................................ A. schmidi Kaszab, 1965 (Fig. 154)
description: Published as part of Ren, Guo-Dong & Shi, Ai-Min, 2006, A taxonomic review of the Chinese species from the genus Ascelosodis Redtenbacher (Coleoptera: Tenebrionidae), with descriptions of three new species, pp. 1-24 in Zootaxa 1228 on pages 2-4, DOI: 10.5281/zenodo.172696