Eutarsopolipus, Berlese, 1913

Seeman, Owen D., 2021, Contrasting species diversification of Eutarsopolipus (Acariformes: Podapolipidae) on Castelnaudia and Notonomus (Coleoptera: Carabidae), Zootaxa 4971 (1), pp. 1-74 : 9-10

publication ID	https://doi.org/10.11646/zootaxa.4971.1.1
publication LSID	lsid:zoobank.org:pub:B38F58B7-D395-4A1C-85DB-950DB62AD03F
DOI	https://doi.org/10.5281/zenodo.4914310
persistent identifier	https://treatment.plazi.org/id/4438245C-FFFC-0946-87AE-FBD9FA38A696
treatment provided by	Plazi
scientific name	Eutarsopolipus
status

Treatment

Key to species of Eutarsopolipus from Castelnaudia

The key to species of the piratica subgroup was also published in Seeman (2019b); E. piraticus is included although its host is Trichosternus . The key is primarily to adult females although larvae are helpful for separation of some species.

1. Claw on leg I absent, unguinal setae on tarsi II-III massive, hook-like. ( piratica subgroup)........................... 2

- Claw on leg I present, unguinal setae on tarsi II-III enlarged, bifid, never hook like................................. 4

2. Tarsi II-III with seta pl″ long, 75–95. Hosts: Castelnaudia eungella View in CoL and C. wilsoni View in CoL ........... E. verberatus Seeman, 2019b

- Tarsi II-III with seta pl″ shorter, 35–53.................................................................... 3

3. Setae v1 far apart (63–94); setae tc″ on tarsi II–III comparatively large and obviously thorn-like, length 4–5… Host: Castelnaudia obscuripennis View in CoL .............................................................. E. uncatus Seeman, 2019b

- Setae v1 closer together (47–58); setae tc″ on tarsi II–III comparatively smaller and merely thickened, length 2–3… Hosts: Trichosternus frater View in CoL and T. mutatus View in CoL ................................................. E. piraticus Seeman, 2019b

4. At least some idiosomal setae significantly thickened, sometimes bulbous. ( hadros subgroup)......................... 5

- All idiosomal setae slender.............................................................................. 7

5. Setae sc1 sometimes thickened but not bulbous ( Fig. 10 View FIGURE 10 ); anterior margin of prodorsal shield deeply concave ( Fig. 1 View FIGURE 1 )… Host: Castelnaudia setosiceps View in CoL .................................................................. E. hadros sp. nov.

- Setae sc1 strongly thickened to bulbous ( Fig. 10 View FIGURE 10 ); anterior margin of prodorsal shield weakly concave or straight......... 6

6. Larvae with shorter setae c1 8–11, d 7–10, f 7–10; female generally with shorter dorsal setae: v1 7-10, c1 6–12, d 10–15, f 7–12 ( Fig. 11 View FIGURE 11 )… Host: Castelnaudia cordata View in CoL ................................................... E. umbonatus sp. nov.

- Larvae with longer setae c1 13–20, d 11–12, f 14–19; female generally with longer dorsal setae: v1 10–13, c1 10–20, d 12–21, f 11–19 ( Fig. 9 View FIGURE 9 )… Host: Castelnaudia mixta View in CoL .................................................. E. mixtus sp. nov.

7. Anterior tip of gnathosoma rounded....................................................................... 8

- Anterior tip of gnathosoma indented, giving a lip-like appearance. ( basiatus subgroup)............................. 12

8. Setae h small but developed. ( nahmani subgroup)..........................................................… 9

- Setae h minute (not larger than alveolus) or absent. ( despoticus subgroup)....................................... 11

9. Gnathosoma large, 67–70 x 69–72; distance d-d 200–230; genua II-III setae l′ 5–7, tibia I seta l′ 9–11 ( Fig. 12 View FIGURE 12 )… Host: Castelnaudia septemcostata View in CoL ................................................................... E. nahmani sp. nov.

- Gnathosoma smaller, 57–61 x 48–54; distance d-d 115–140; genua II-III setae l′ 2–4, tibia I seta l′ 4–7................ 10

10. Setae h small, 2–4; tarsus III with small setae tc′ 2, pv′ 2–3 ( Figs. 17 View FIGURE 17 , 18 View FIGURE 18 )… Host: Castelnaudia septemcostata View in CoL . E. raveni sp. nov.

- Setae h longer, 7–10; tarsus III with larger setae tc′ 3–4, pv′ 4 ( Figs. 21 View FIGURE 21 , 22 View FIGURE 22 )… Host: Castelnaudia porphyriaca View in CoL . E. teuceri sp. nov.

11. Gnathosoma large, 61–65 x 60–67, cheliceral stylets 75–84, tarsi II-III setae tcʹʹ 3–4 ( Figs 25–26 View FIGURE 25 View FIGURE 26 )… Host: Castelnaudia cordata View in CoL ................................................................................ E. hebronae sp. nov.

- Gnathosoma smaller, 45–51 x 47–51, cheliceral stylets 50–55, tarsi II-III setae tcʹʹ 2–3 ( Figs 24–26 View FIGURE 24 View FIGURE 25 View FIGURE 26 )… Host: Castelnaudia porphyriaca View in CoL ........................................................................ E. despoticus sp. nov.

12. Setae sc1 <10; distance d -d 90–105, f-f 75–92............................................................. 13

- Setae sc1> 15; distance d -d 135–150, f-f 100–120.......................................................... 14

13. Setae c1 15–17, seta d 16–22; distance v2-v2 38–40; sc1-sc1 61–65; v1-sc1 16–20; tibia I seta v′ 2; genua II-III setae l′ minute ( Figs 37–38 View FIGURE 37 View FIGURE 38 ). Host: Castelnaudia cordata View in CoL ................................................... E. osculum sp. nov.

- Setae c1 6–9, d 7–9; distance v2-v2 48–62; sc1-sc1 82–100; v1-sc1 36–46; tibia I seta v′ 5–6; genua II-III setae l′ 3–4 ( Figs 28–29 View FIGURE 28 View FIGURE 29 ). Host: Castelnaudia porphyriaca View in CoL .................................................... E. basiatus sp. nov.

14. Cheliceral seta 24–39 ( Fig. 39 View FIGURE 39 ); larva with short setae c1 6–9, c2 9–12, d 7–10. Host: Castelnaudia eungella View in CoL ... E. savatus sp. nov.

- Cheliceral seta 17-21 ( Fig. 32 View FIGURE 32 ); larva with longer setae c1 15–18, c2 19–24, d 17–19 ( Fig. 35 View FIGURE 35 ). Host: Castelnaudia marginifera View in CoL .................................................................................................................................................................................. E. labiatus sp. nov.