Cilliba rafalskii, Bloszyk, Jerzy, Stachowiak, Marcin & Halliday, Bruce, 2006

Bloszyk, Jerzy, Stachowiak, Marcin & Halliday, Bruce, 2006, Two new species of Cilliba von Heyden from Poland, with discussion of the Cilliba cassidea (Hermann) species complex (Acari: Mesostigmata: Uropodina: Cillibidae), Zootaxa 1219, pp. 1-45 : 27-36

publication ID	https://doi.org/ 10.5281/zenodo.172506
DOI	https://doi.org/10.5281/zenodo.3503344
persistent identifier	https://treatment.plazi.org/id/03F35023-FF90-FF94-FED3-405BFE35E9F9
treatment provided by	Plazi
scientific name	Cilliba rafalskii
status	sp. nov.

Treatment

Cilliba rafalskii sp. nov. ( Figures 23–34 View FIGURE 23 View FIGURE 24 View FIGURE 25 View FIGURE 26 View FIGURE 27 View FIGURE 28 View FIGURE 29 View FIGURE 30 View FIGURE 31 View FIGURE 32 View FIGURE 33 View FIGURE 34 )

Cilliba cassideasimilis Bloszyk, 1984: 70 (nomen nudum).

Cilliba species I: Bloszyk & Olszanowski, 1985: 488.

Cilliba species II: Bloszyk, 1991: 118; 1992: 324; Bloszyk, 1995: 170; 1998: 99; 1999: 161. Uropoda (Cilliba) rafalski (sic): Wi ś niewski & Hirschmann, 1993: 193; Wi ś niewski, 1993: 259.

Material examined. HOLOTYPE: female, Poland, "Jakubowo" Res. near Pniewy. Quercocarpinetum forest, UTM: WU 81, 8 October 1978, leaf litter, alt. 200 m a.s.l., coll. J. Bloszyk (JB1445). PARATYPES: Poland ( Figs 23 View FIGURE 23 , 24 View FIGURE 24 ): 18 Ψ, 3 deutonymphs, 1 protonymph, same data as holotype; 8 Ψ, 5 deutonymphs, 6 protonymphs, "Jakubowo" Res. near Pniewy. Quercocarpinetum forest, UTM: WU 81, [4 samples, 1978–1979]; 114 Ψ, 65 deutonymphs, 41 protonymphs, 26 larvae, "Jakubowo" Res. near Pniewy, UTM: WU 81, [84 samples, 1973–2001]; 28 Ψ, 7 deutonymphs, 1 protonymph, Bytyń near Pniewy, UTM: WU 91, XU 0 1, [11 samples, 2001–2002]; 49 Ψ, 5 deutonymphs, 2 protonymphs, Upper Silesia, UTM: BB 0 0, 10, CA 0 9, [5 samples, 1987]; 36 Ψ, 3 deutonymphs, 4 protonymphs, Roztocze, UTM: FB 40, [4 samples, 1964–2001]; 36 Ψ, 2 deutonymphs, Bogucice near Pińczów, UTM: DA 16,79, [2 samples, 1968–1973]; 2 Ψ, Pieniny Mnts., UTM: DV 57, [2 samples, 1971–1975]; 29 Ψ, Beskidy Mnts., UTM: CA 84, CV 99, [2 samples, 1968–1975]; 1 deutonymph, 3 protonymphs, Lagów, UTM: WT 19, [1 sample, 2001]; 2 Ψ, 2 deutonymphs, Gudowo, UTM: WV 52, [1 sample, 1978]; 6 Ψ, 1 deutonymph, Lutomskie Lake near Sieraków, UTM: WU 72, [1 sample, 1972]; 2 Ψ, "Szumny Zdrój" Res. near Brodnica, UTM: DD 0 9, [1 sample, 1974].

Female. Well sclerotised, colour brown.

Dorsal idiosoma ( Fig. 25 View FIGURE 25 A, 26A, B). Length 771–843 µm (mean 813 µm), width 731–814 µm (mean 771 µm) (n = 32). Dorsal shield subcircular, smooth, with characteristic ornamentation of scattered circular pits in the posterior half. Marginal shield smooth, with numerous lyrifissures. Dorsal setae numerous, thick, lanceolate (mean 64 µm). Submarginal setae simple (mean 22 µm), marginal setae very numerous, short, hooklike.

Ventral idiosoma ( Fig. 25 View FIGURE 25 B, 26C, D). Sternal shield smooth, with a pair of anterior lyrifissures. Sternal setae simple; st1 slightly above anterior edge of epigynium, st2–st5 lateral to the epigynium. Epigynial shield tongueshaped, with distinct central ornamentation. Length of epigynial shield 180–196 µm (mean 187 µm), width 120–140 µm (mean 131 µm); surface = 19495–21674 µm2. Opisthosoma smooth, except for a punctate area near posterior border of epigynial shield. Five pairs of simple ventral setae arranged in two rows behind coxae IV. Ventral setae simple; seta v1 shorter than v2. Adanal setae Ad1 and Ad2 very short. Unpaired seta Pa shorter than Ad. Anal opening small, oval. Peritreme Vshaped, without poststigmatic section (prestigmatic section 101–183 µm in length); stigmata at level of coxae III.

Gnathosoma . Epistome narrow and serrated, distally bifid. Hypostomal setae h1 very long (41–69 µm), simple; h2 short (14–21 µm), robust, smooth or finely pilose; h3 (16–21 µm) one third length of h1, smooth; h4 short (11–19 µm), distally pilose, laterally serrated. Hypostomal denticles in a row between setae h2 and scattered between h3 and h4. Ventral setae of palp trochanter robust, pv1 twice as heavy as pv2 ( Fig. 27 View FIGURE 27 A). Fixed digit of chelicera longer than movable digit, with anterior globular sensillum ( Fig. 27 View FIGURE 27 B). Base of tritosternum broad, with distinct shoulders, 6branched, with finely serrated laciniae ( Fig. 27 View FIGURE 27 C).

Legs ( Fig. 27 View FIGURE 27 D). Structure and chaetotaxy typical for the genus ( Table 2 View TABLE 2 ). Leg I without claws, but with a very long terminal seta.

Male. Unknown.

Deutonymph. Partly sclerotised, colour yellowish to light brown.

Dorsal idiosoma ( Fig. 28 View FIGURE 28 A, 29A). Length 681–720 µm, width 629–646 µm (n = 3). Dorsal shield subcircular, smooth, marginal shields absent. Dorsal setae numerous, simple (length 54–66 µm); some accompanied by circular pores. Between the setae several dorsal lyrifissures (id). Submarginal setae numerous, simple (ca 36 µm). Marginal setae very numerous, short, hooklike.

Ventral idiosoma ( Fig. 28 View FIGURE 28 B, 29B). Sternal shield amphorashaped, with narrow base, smooth (length 306–324 µm), extending beyond coxae IV. Sternal shield with five pairs of simple, short sternal setae (st1–st5). Ventral shield wide, smooth, with five pairs of simple ventral setae; v1 half as long as others. Anal shield triangular, anal opening covered by a small valve.

Gnathosoma . Epistome narrow and serrated, distally bifid. Hypostome similar to adults ( Fig. 30 View FIGURE 30 A). Tritosternum 6branched, with broad base ( Fig. 30 View FIGURE 30 B).

Legs ( Fig. 30 View FIGURE 30 C). Structure and chaetotaxy as for female.

Protonymph. Weakly sclerotised, colour white to yellowish.

Dorsal idiosoma ( Fig. 31 View FIGURE 31 A). Length 476–503 µm, width 364–400 µm (n = 2). Podonotal shield pearshaped, large (length 284–303 µm, width 174–192 µm), smooth. Mesopodal shields small, elongate (78–79 µm); mesonotal shields irregular in shape (diameter 88–95 µm); pygidial shield crescentshaped (156–157 µm); all shields smooth. Setae j3–6 simple, short, inserted on podonotal shield; Z1, J1 and J2 longer, inserted on pleura between podonotal and pygidial shields. Setae j2, z2, z3, s3–6, S1, Z2 and J4 short, positioned submarginally; only J4 on small protuberances. Setae j1, s2, r3–5, R1, R3, S3, S4, Z3, Z4 and J5 long, massive, inserted on protuberances along the margin of the idiosoma; idiosoma surrounded by a soft outer fringe (width 99–105 µm). Several idiosomal setae with associated circular pores.

Ventral idiosoma ( Fig. 31 View FIGURE 31 B). Weakly sclerotised, smooth. Sternal shield poorly defined, with three pairs of very short, simple sternal setae (st1–st3). Metapodal shields elongate, smooth. Opisthogastric integument with four pairs of simple ventral setae (v1, v3–v5); v1 and v3 anterior to the ventrianal shield, v4 and v5 lateral to ventrianal shield. Three pairs of glands open on soft ventral pleura near metapodal shields (gv1, gv2 and gl6). Ventrianal shield oval (width 146–152 µm), smooth, with anal opening, a single pair of Ad setae and unpaired Pa seta; Ad = Pa. Peritreme short, simple, without poststigmatic section (prestigmatic section straight, 70–82 µm in length); stigmata at level of coxae III.

Gnathosoma . As for female, except hypostomal setae h3 smooth and h4 less serrated distally ( Fig. 32 View FIGURE 32 A). Tritosternum 6branched, with broad base ( Fig. 32 View FIGURE 32 B). Legs ( Fig. 32 View FIGURE 32 C). Structure and chaetotaxy similar to female, except tarsus II with distal av and pv setae robust.

Larva. Unsclerotised, colour whitish.

Dorsal idiosoma ( Fig. 33 View FIGURE 33 A). Length ca 316 µm, width ca 250 µm. Anterior end of body with three distinct cuticular processes. Podonotal shield lanceolate, smooth. Two pairs of sclerites located below the podonotum. Dorsal setae j1–j6 inserted on podonotal shield; j1 long, recurved; j2–j6 short, simple; J2 bifid, inserted in soft pleura. Setae z2, z3, s4, S1 and Z2 on lateral part of the idiosoma; z2, z3 and s4 robust, longer than j series setae, inserted on edge of podonotal shield, S1 and Z2 positioned on pleura. Setae R1–R3, S4, Z3, Z4, J4 and J5 massive, inserted on protuberances along the margin of the body; all bifid, except R2, S4 and Z4, which are spinose.

Ventral idiosoma ( Fig. 33 View FIGURE 33 B). Sternal setae short, simple. Ventral setae v1 short, simple, located above anal shield, v5 bifid, lateral to anal shield; v1 = 1/3 v5. One pair of ventral glands (gv) located above setae v1. Anal shield with one pair of glands, pair of adanal setae Ad and single postanal seta Pa; Pa = ½ Ad.

Gnathosoma . As for female, except hypostomal setae h3 and h4 absent, h2 long, smooth; hypostomal denticles pointed, scattered between setae h2, hypostomal groove smooth. Palp trochanter setae pv1 robust; pv2 also robust, but bifid, short; pv1 = 2 pv2 ( Fig. 34 View FIGURE 34 A). Tritosternum 6branched, with broad base ( Fig. 34 View FIGURE 34 B).

Legs ( Fig 34 View FIGURE 34 C). Tarsus I with two robust proximal posterodorsal setae, one serrated distally, pd2 = 2 x pd1. Tarsus II with spinose ad1 seta and robust ad2, av1–av2 and pv1 setae. Genu III with spinose ad seta; all setae on tarsus III robust.

Etymology. This species is named in honour of Prof. Jan Rafalski , creator of the Polish school of acarology.