Stigmaeus additicius, Dönel, Güldem & Doğan, Salih, 2011

Dönel, Güldem & Doğan, Salih, 2011, The stigmaeid mites (Acari: Stigmaeidae) of Kelkit Valley (Turkey), Zootaxa 2942, pp. 1-56 : 38-40

Stigmaeus additicius sp. nov.

Holotype. Female ( Figure19 ). Length of body 355 (350–388), width 180 (175–180).

Dorsum. Dorsal shields with reticulum. Propodosomal shield with three pairs of setae. Propodosomal shield’s posterior margin indenting forward. A pair of eyes located between setae ve and sci. Apodemal marking on propodosomal shield. Setae sce located on striated integument. Central shield with two pairs of setae. e 1 located on median zonal shields. Central shield extending between median zonal shields. Setae d 2 located on marginal shields and setae e 2 located on striated integument. Intercalary shield divided, with setae f 1. An extra non setose shield lateral to intercalary shields. Suranal shield entire, recessed anteriorly, with three pairs of setae (h 1-3). Dorsal body setae faintly serrated. Dimensions of setae as follows: vi 15 (13–15); ve 20 (18–20); sci 18 (15–18); sce 15 (13–15); c 1 15 (13–15); c 2 20 (18–20); d 1 15 (13–15); d 2 13 (13–15); e 1 15 (13–15); e 2 15 (13–18); f 1 15 (13–18); h 1 15 (13– 15); h 2 28 (23–28); h 3 18 (15–18). Distances between setae: vi-vi 40 (35–43); ve-ve 58 (55–60); vi-ve 20 (18–25); sci-sci 88 (80–90); ve-sci 40 (38–40); c 1 -c 1 45 (43–45); d 1 -d 1 43 (40–45); h 1 -h 1 35 (33–38); h 2 -h 2 75 (70–80); h 3 -h 3 95 (88–98).

Venter. Setae c 2 placed on humeral shields. Coxisternal shields separated, bearing three pairs of setae. Aggenital shield with four pairs of setae. Genital covers bearing two pairs of setae. Pseudanal covers bearing three pairs of setae. Dimensions of setae as follows: ag 1 20 (18–20); ag 2 20 (18–20); ag 3 20 (18–20); ag 4 18 (18–20); g 1 18 (15– 18); g 2 20 (15–22); ps 1 30 (27–30); ps 2 25 (23–28); ps 3 20 (18–25).

Legs. Leg I 203 (175–208), leg II 168 (140–170), leg III 140 (130–153), leg IV 180 (163–185). Chaetotaxy of leg segments as follows: coxae 2–2–2–2, trochanters 1–1–2–1, femora 4–4–3–2, genua 6(κ)–5–2–2, tibiae 7(ϕ,ϕρ)–6(ϕρ)–6(ϕρ)–6(ϕρ), tarsi 14(ω)–10(ω)–8(ω)–8(ω). Genua I and II with solenidion κ. All tarsi with solenidion ω.

Gnathosoma . Chelicera 70 (65–73), palp 65 (63–67). Subcapitulum with two pairs of adoral setae distally and two pairs of subcapitular setae proximally. Dimension of setae: m 10 (8–12); n 13 (10–18), distances between setae: m-m 15 (15–20); n-n 23 (20–25); m-n 13 (13–18).

Male and other immature stages. Unknown.

Etymology. The name of this new species, additicius , refers to an extra non setose shield lateral to the intercalary shields.

Type materials. Holotype Ƥ and 1 paratype Ƥ from litter under Acacia sp., 40°31'40'' N, 36°54'09'' E, 330 m, Niksar, 15 III 2008; 4 paratypes ƤƤ from moss and lichen on soil, 40°41'33'' N, 36°30'13'' E, 253 m, Erbaa, 29 III 2008; ZMAU.

Remarks. This new species resembles Stigmaeus shabestariensis Haddad, Lotfollahi & Akbari, 2010 in having an extra non setose shield lateral to the intercalary shield. However, it can be distinguished from the latter by the presence of apodemal marking, propodosomal shield’s posterior margin indenting forward, presence of transverse microtuberculae, and the coxisternal and aggenital shields with reticulation. S. shabestariensis has apodemal marking absent, posterior of propodosomal shield margin smooth, and the coxisternal and aggenital shields without reticulation.

Figures

FIGURE 19. Stigmaeus additicius sp. nov. female—A, dorsal view of idiosoma; B, left intercalary shield and an extra shield; C, ventral view of idiosoma; D, leg I; E, leg II; F, leg III; G, leg IV; H, palp; I, chelicerae.