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Key to Eotemnothorax species
Key to workers of Eotemnothorax, based on Radchenko (2024).
1
- Propodeum with very long spines directed backward and upward at an angle not less than 45°, ESL/HL > 0.35 (Figs 1, C, D; 4, A, C–F; 5, A) => 2
- Propodeum with much shorter spines directed mostly backward, or only with short denticles, ESL/HL ≤ 0.25 (Figs 1, A, B, E, F; 2, A–E; 3, A, B, D, E; 5, B–F; 6; 7, A, B, D, E; 8, A–E; 9, A, B, G, H) => 5
Note: See images below.
2
return to couplet #1
- Propodeal spines massive, strongly widened at base, curved down along their length and directed backward and upward at an angle ≤ 50° (Figs 1, C, D; 5, A) => 3
- Propodeal spines slender, at most slightly widened at base, almost straight and directed backward and upward at an angle ≥ 55° (Fig. 4, A, C–F) => 4
Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
Radchenko (2024), Figure 4. Photographs of workers of Eotemnothorax armatum, HOLOTYPE: (A) body, dorsal view; (B) head, anterior-dorsal view; PARATYPE: (C) SIZK K-15888, body, lateral view; Eotemnothorax rectispinus, HOLOTYPE: (D) body, lateral view; (E) body, dorsal view; PARATYPE: (F) GZG.BST 27.189, body, lateral view.
Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
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3
return to couplet #2
- Smaller, body length < 3.5 mm. Petiole shorter, about 1.3 times as long as height; anterior and posterior surfaces of petiolar node vertical, subparallel; node massive, with widely rounded dorsum, length of peduncle subequal to length of node (Fig. 1, C, D) => Eotemnothorax petiolatus
- Bigger, body length > 4 mm. Petiole longer, 1.5 times as long as height; anterior surface of petiolar node inclined posteriorly, posterior surface vertical; node less massive, with narrowly rounded dorsum; peduncle distinctly longer than length of node (Fig. 5, A) => Eotemnothorax groehni
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
4
return to couplet #2
- Somewhat smaller, body length 2.4–2.5 mm. Propodeal spines shorter and more widened at base, ESL/HL < 0.45. Petiole lower, PL/PH < 1.45 (Fig. 4, A, C) => Eotemnothorax armatum
- Somewhat bigger, body length 2.65–3.1 mm. Propodeal spines longer and less widened at base, ESL/HL ≥ 0.50. Petiole higher, PL/PH ≥ 1.50 (Fig. 4, D–F) => Eotemnothorax rectispinus
- Radchenko (2024), Figure 4. Photographs of workers of Eotemnothorax armatum, HOLOTYPE: (A) body, dorsal view; (B) head, anterior-dorsal view; PARATYPE: (C) SIZK K-15888, body, lateral view; Eotemnothorax rectispinus, HOLOTYPE: (D) body, lateral view; (E) body, dorsal view; PARATYPE: (F) GZG.BST 27.189, body, lateral view.
5
return to couplet #1
- Head dorsum with big, deep, numerous foveae, surface between them smooth and shiny (Fig. 6) => Eotemnothorax foveocephalus
- Sculpture of head dorsum various, but never with foveae (Figs 1, A, B; 2, A–E; 3, A, D–F; 5, B–D, F; 7, A–F; 8, A, B, D–F; 9, G) => 6
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
Radchenko (2024), Figure 9. Photographs of Eotemnothorax pedunculatus, HOLOTYPE, gyne: (A) body and wings, lateral view; (B) body, dorsolateral view; (C) head, dorso-lateral view; PARATYPE, male, GZG.BST 27.033: (D) body, lateral view; (E) head, dorsal view; (F) waist, lateral view; Eotemnothorax perkovskii, HOLOTYPE, worker: (G) body, lateral view; (H) waist and propodeum, lateral view.
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6
return to couplet #5
- Queen (workers unknown). Petiole long and with very low node, PL/PH > 2.00, its anterior surface nearly straight, gradually rising up to the top of petiolar node (Fig. 9, A, B) => Eotemnothorax pedunculatus
- Petiole of another shape, PL/PH ≤ 1.60 (Figs 1, A, B, E, F; 2, A–E; 3, A, B, D, E; 5, B–F; 7, A, B, D, E; 8, A–E; 9, G, H) => 7
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
- Radchenko (2024), Figure 9. Photographs of Eotemnothorax pedunculatus, HOLOTYPE, gyne: (A) body and wings, lateral view; (B) body, dorsolateral view; (C) head, dorso-lateral view; PARATYPE, male, GZG.BST 27.033: (D) body, lateral view; (E) head, dorsal view; (F) waist, lateral view; Eotemnothorax perkovskii, HOLOTYPE, worker: (G) body, lateral view; (H) waist and propodeum, lateral view.
7
return to couplet #6
- Propodeum with short denticles, their length subequal to their width at the base, ESL/HL < 0.15 (Figs 1, E, F; 3, A, B, D, E; 7, A, B, D, E; 8, A–E; 9, G, H) => 8
- Propodeum with spines, their length obviously longer than their width at the base, ESL/HL ≥ 0.20 (Figs 1, A, B; 2, A–E; 5, B–F) => 15
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
- Radchenko (2024), Figure 9. Photographs of Eotemnothorax pedunculatus, HOLOTYPE, gyne: (A) body and wings, lateral view; (B) body, dorsolateral view; (C) head, dorso-lateral view; PARATYPE, male, GZG.BST 27.033: (D) body, lateral view; (E) head, dorsal view; (F) waist, lateral view; Eotemnothorax perkovskii, HOLOTYPE, worker: (G) body, lateral view; (H) waist and propodeum, lateral view.
8
return to couplet #7
- Antennae 11-segmented (Fig. 3, D–F) => Eotemnothorax placivus
- Antennae 12-segmented (Figs 3, A, C; 7, B, C, F; 8, A, C, D, F) => 9
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
9
return to couplet #8
- Petiole with long peduncle, its node strongly flattened in antero-posterior direction, rather thin, with flat and almost vertical anterior and posterior surfaces. Mesosoma mostly smooth, only lower parts of mesopleurae and propodeum with longitudinal rugae (Fig. 9, G, H) => Eotemnothorax perkovskii
- Petiole of another shape. Mesosoma rugosed, reticulated or densely punctated, never mostly smooth (Figs 1, E, F; 3, A, B; 7, A, B, D, E; 8, A–E) => 10
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
- Radchenko (2024), Figure 9. Photographs of Eotemnothorax pedunculatus, HOLOTYPE, gyne: (A) body and wings, lateral view; (B) body, dorsolateral view; (C) head, dorso-lateral view; PARATYPE, male, GZG.BST 27.033: (D) body, lateral view; (E) head, dorsal view; (F) waist, lateral view; Eotemnothorax perkovskii, HOLOTYPE, worker: (G) body, lateral view; (H) waist and propodeum, lateral view.
10
return to couplet #9
- Mesosoma rugosed, surface between rugae smooth (Figs 7, A, B, D, E; 8, A, E) => 11
- Mesosoma completely densely punctated or densely punctated and finely ruguloso-reticulated (Figs 1, E, F; 3, A, B; 8, B–D) => 13
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
11
return to couplet #10
- Head dorsum smooth, with small piligerous pits, only genae with longitudinal rugosity (Fig. 8, F) => Eotemnothorax khomychi
- Head dorsum with longitudinal rugosity (Figs 7, A–F; 8, A) => 12
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
12
return to couplet #11
- Propodeum with shorter blunt denticles, ESL/HL 0.08. Frontal carinae do not curve outwards and do not merge with rugae that surround antennal sockets (Fig. 8, A) => Eotemnothorax odontos
- Propodeum with longer acute denticles, ESL/HL 0.13–0.14. Frontal carinae curved outwards to merge with rugae that surround antennal sockets (Fig. 7, A–F) => Eotemnothorax rav
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
13
return to couplet #10
- Petiolar node with rounded dorsum (seen in profile) (Fig. 1, E, F) => Eotemnothorax glaesarius
- Petiolar node angulated, cuneiform (seen in profile) (Figs 3, A, B; 8, B–D) => 14
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
14
return to couplet #13
- Mesosoma and waist only densely punctated (Fig. 8, B–D) => Eotemnothorax punctatus
- Mesosoma and waist densely punctated, but promesonotal dorsum also with longitudinal rugulosity and reticulation (Fig, 3, A, B) => Eotemnothorax longaevus
- Radchenko (2024), Figure 8. Photographs of workers of Eotemnothorax odontos, HOLOTYPE: (A) body, lateral view; Eotemnothorax punctatus, HOLOTYPE: (B) body, lateral view; (C) body, dorso-lateral view; PARATYPE, SIZK K-9388: (D) body, dorso-lateral view; Eotemnothorax khomychi, HOLOTYPE: (E) body, dorsal view; (F) head, dorsal view.
15
return to couplet #7
- Head dorsum and mesosoma with coarse sinuous longitudinal rugae, occiput and mesosomal dorsum also with reticulation; surface between rugae finely superficially punctated, appears shiny (Fig. 5, E, F) => Eotemnothorax rhytidus
- Head dorsum and mesosoma densely punctated and at least partially ruguloso-reticulated, surface between rugae dull (Figs 1, A, B; 2, A–E; 5, B–D) => 16
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
16
return to couplet #15
- Petiolar node angulated, cuneiform (seen in profile) (Figs 1, A, B) => Eotemnothorax gracilis
- Petiolar node with rounded dorsum (seen in profile) (Figs 2, A–E; 5, B–D) => 17
- Radchenko (2024), Figure 1. Photographs of workers of Eotemnothorax gracilis, NEOTYPE: (A) body, lateral view; (B) body, dorso-lateral view); Eotemnothorax petiolatus, NEOTYPE: (C) body, lateral view; (D) body, anterior view); Eotemnothorax glaesarius, MKHC F-414: (E) body, dorso-lateral view; (F) waist and propodeum, dorso-lateral view.
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.
17
return to couplet #16
- Mesosoma mostly punctated, only promesonotal dorsum also with fine reticulation (Fig. 5, B–D) => Eotemnothorax balticus
- Whole mesosoma punctated and quite coarsely rugoso-reticulated (Figs 2, A–E) => Eotemnothorax hystriculus
- Radchenko (2024), Figure 5. Photographs of workers of Eotemnothorax groehni, HOLOTYPE: (A) body, lateral view; Eotemnothorax balticus, HOLOTYPE: (B) body, left lateral view; (C) body, right lateral view; PARATYPE, ZIN 4/7: (D) body, lateral view; Eotemnothorax rhytidus, HOLOTYPE: (E) body, lateral view; (F) body, dorsal view.