Cilliba cassideasimilis Bloszyk, Stachowiak & Halliday, 2006, sp. nov.

Bloszyk, Jerzy; Halliday, Bruce; Stachowiak, Marcin

Cilliba cassideasimilis Bloszyk, Stachowiak & Halliday, 2006, sp. nov.

Authors: Jerzy Bloszyk
Bruce Halliday
Marcin Stachowiak
Publication date: 31 December 2006
Publisher: Zenodo
Doi

Abstract

Cilliba cassideasimilis sp. nov. (Figures 9–22) Cilliba species II.— Bloszyk & Olszanowski, 1985: 488. Cilliba cassidea.— Bloszyk & Olszanowski, 1986: 193. Cilliba species I.— Bloszyk, 1990: 227; 1991: 118; 1992: 324; 1998: 99; 1999: 160. Cilliba sp.— Bloszyk, 1993: 176; 1995: 166; Bloszyk & Olszanowski, 1999: 44; Bloszyk & Krysiak, 2000: 117. Uropoda (Cilliba) cassidea: Gwiazdowicz, 1999: 39. Uropoda (Cilliba) species 1: Skorupski, 2000: 27. Uropoda (Cilliba) cassideasimilis.—Wi &sacute; niewski & Hirschmann, 1993: 192; Wi &sacute; niewski, 1993: 259. Uropoda aff. cassidea.— Ma&scaron;án, 2001: 284. Material examined. HOLOTYPE: female, Poland, Gorcza&nacute;ski National Park, UTM: DV 39, 22 June 1995, leaf litter, alt. 830 m a.s.l., col. PC (GPN000.08); PARATYPES: Germany: 6 Ψ, 10 ɗ, Schweingangen valley, [1 sample, 1945]. Spain: 4 Ψ, 2 ɗ, la Coruna Province, 43°01'00" N, 08°40'00" W, [1 sample, 1983], 7 Ψ, 18 ɗ, Ponteverda Province, 42°15'00" N, 08°60'00" W, [2 samples, 1983]. Ireland: 4 Ψ, 8 ɗ, Killarney National Park, 52°00'00" N, 09°50'00" W, [4 samples, 1981] (Fig. 9). Poland (Fig. 10): 81 Ψ, 101 ɗ, 79 deutonymphs, 27 protonymphs, 15 larvae, Gorcza&nacute;ski National Park, UTM: DV 3947, [84 samples, 1974–1995]; 18 Ψ, 20 ɗ, 15 deutonymphs, 8 protonymphs, 2 larvae, Bialowieski National Park, UTM: FD 8394, [17 samples, [1961–2001]; 68 Ψ, 114 ɗ, 54 deutonymphs, 20 protonymphs, 2 larvae, Roztocze, UTM: FB 40, 68, [45 samples, 1956–2001]; 33 Ψ, 45 ɗ, 6 deutonymphs, 2 protonymphs, Bieszczady Mnts., UTM: EV 87, 94, 97, FB 0 1, FV 0 3, 14, 16, 23, 24, [11 samples, 1959–1995]; 2 females, 1 deutonymph, Upper Silesia, UTM: CA 50, CB 70, 81, [3 samples, 1976–1992]; 36 Ψ, 59 ɗ, 1 deutonymph, 2 protonymphs, 1 larva, Beskidy Mnts., UTM: EA 46, 62, EV 0 8, 0 9, 17, 58, 98 [15 samples, 1958–1983]; 3 Ψ, 4 ɗ, 8 deutonymphs, 6 protonymphs, 3 larvae, "Las Gr dowy nad Mogilnic " Res. near Pniewy, WU 81 [6 samples, 1982–1983]; 20 Ψ, 11 ɗ, 25 deutonymphs, 23 protonymphs, 10 larvae, Majdów Res., UTM: DB 86 [6 samples, 1992]; 31 Ψ, 47 ɗ, 17 deutonymphs, 2 protonymphs, Pieniny Mnts., UTM: DV 15, 57, 66, 67, [15 samples, 1968–1979]; 27 Ψ, 38 ɗ, Mazury, UTM: DD 0 9, 54 DE 17, 19, 33, EE 0 7, 0 8, 24, 39, FE 50, [12 samples, 1971–1980]; 38 Ψ, 36 ɗ, &Sacute;wi&eogon;tokrzyskie Mnts., UTM: DB 73, 85, EB 0 3, 13 [8 samples, 1971–1981]; 13 Ψ, 22 ɗ, 1 deutonymph, 1 protonymph, Babiogórski National Park, UTM: CA 50, CV 99, [6 samples, 1975–1981]; 13 Ψ, 7 ɗ, 2 deutonymphs, Karkonosze Mnts., UTM: WS 33,44,52, XR 29, XS 23, [5 samples, 1970–1976]; 3 Ψ, 2 ɗ, 6 deutonymphs, 1 protonymph, Wolin National Park & Southern Pomerania, UTM: VV 67,70, WV 52,83, [4 samples, 1975–1996]; 10 Ψ, 9 ɗ, 3 deutonymphs, 1 protonymph, Ojcowski National Park, UTM: DA 16,24,82. [5 samples, 1969–1970]; 8 Ψ, 6 ɗ, 5 deutonymphs, Tatra Mnts., DV 25,26, [5 samples, 1973–1979]; 22 Ψ, 20 ɗ, 2 deutonymphs, Tuchola forests, UTM: CE 0 3,95, [5 samples, 1976–1996]; 13 Ψ, 25 ɗ, Kujawy, UTM: XV 0 1,71, [3 samples, 1975–2001]; 6 Ψ, 15 ɗ, 4 deutonymphs, Drawa river basin, UTM: WU 58,76, [3 samples, 1968]; 2 ɗ, Bieniszew near Konin, UTM: CC 0 9 [1 sample, 1968]; 4 ɗ, Toru&nacute;, UTM: CD 37, [1 sample, 1975]; 1 female, meadow near Jarocin, UTM: XT 76, [1 sample]. Female. Well sclerotised, colour brown. Dorsal idiosoma (Fig. 11, 13 A, B). Length 775–828 µm (mean 808 µm), width 746–814 µm (mean 769 µm) (n = 31). Dorsal shield subcircular, smooth, with characteristic ornamentation of scattered circular pits in the posterior half. Marginal shield smooth, with numerous lyrifissures (id), fused with dorsal shield at anterior end of body. Dorsal setae numerous, thick, simple (mean 55 µm). Submarginal setae simple (mean 19 µm), marginal setae very numerous, short, hooklike. Ventral idiosoma (Figs 12 A, 13C, D). Sternal shield smooth, with five pairs of sternal setae (st1–st5); st1 above the anterior edge of epigynium, and st2–st5 lateral to the epigynium (st1 =6 µm, st2 =10 µm, st3 =15 µm, st4 =18 µm, st5 =17 µm). Epigynial shield tongueshaped, articulated at level of coxae IV, with small pits in the central part (Fig. 13 D). Length of epigynial shield 158–190 µm (mean 175 µm), width 110–134 µm (mean 118 µm); surface = 15344–21079 µm2. Opisthosoma smooth, except punctate area near the epigynial shield. Ventral setae simple, short; length of setae v1 = v2. Adanal setae Ad1 very short, Ad2 twice as long as Ad1. Unpaired seta Pa as long as Ad1. Anal opening small, oval. Peritreme Vshaped, with characteristic curve in anterior third, without poststigmatic section, prestigmatic section 137–193 µm in length; stigmata at level of coxae III. Gnathosoma (Fig. 14). Epistome narrow and serrated, distally bifid. Hypostomal setae h1 very long (61–82 µm), smooth; h2 short (17–30 µm), robust; h3 (16–29 µm), ca onethird length of h1, serrated; h4 (12–24 µm), curved, robust or distally serrated. Hypostomal denticles in a row between setae h2 and scattered between setae h3 and h4. Ventral setae of palp trochanter robust, pv1 (19–33 µm) longer and thicker than pv2 (11–20 µm) (Fig. 14 A). Fixed digit of chelicera longer than movable digit, with anterior globular sensillum (Fig. 14 C). Base of tritosternum broad, with anterior shoulders, then narrowing, 6branched, laciniae finely serrated (Fig. 14 D). Legs (Fig. 15 A). Structure and chaetotaxy typical for the genus (Table 2). Leg I without claws, but with a long terminal seta. Male. Well sclerotised, colour brown. Dorsal idiosoma. Length 756–911 µm (mean 815 µm), width 725–839 µm (mean 780 µm) (n = 38). Structure and chaetotaxy as for female. Ventral idiosoma (Fig. 12 B, 13E, F). Intercoxal region ornamented with small circular pits at level of coxae II–III and in area behind genital shield; sternal setae st1–st3 very short, st4–st5 longer. Genital operculum oval (68–81 x 48 –56 µm). Chaetotaxy and sculpture of opisthosoma as for female. Gnathosoma (Fig. 14 B). Hypostomal setae h1 very long (ca 41 µm), smooth, simple; h2 very short (9 µm), simple; h3 modified into nodules 6 µm in diameter; h4 short (ca 13 µm), curved, with pinnate ending and distal serration, located far from hypostomal axis. Setae pv on palp trochanters massive, pv1 (ca 19 µm) simple, with single denticle, pv2 ca 9 µm. Fixed digit of chelicera longer than movable digit, provided with anterior globular sensillum. Tritosternum 6branched, with broad base. Legs (Fig. 15 B). As for female, except trochanter III with a robust ventral spine (length 29–44 µm). Deutonymph. Partly sclerotised, colour yellowish to lightly brown. Dorsal idiosoma (Fig. 16 A). Length 681–780 µm (mean 720 µm), width 629–780 µm (mean 660 µm) (n = 37). Dorsal shield subcircular, smooth, marginal shield absent. Dorsal setae numerous, simple (mean 46 µm); some of them accompanied by circular pores; shield surface also with several lyrifissures (id). Submarginal setae simple (ca 36 µm). Marginal setae very numerous, short, hooklike. Ventral idiosoma (Fig. 16 B, 18A). Sternal shield amphorashaped, with slightly widened base, smooth (length 306–364 µm), extending behind coxae IV, with five pairs of short, simple setae (st1–st5). Two pairs of lyrifissures: iv1 near camerostome, iv2 below setae st5. Ventral shield wide, smooth, with five pairs of simple ventral setae; all setae of equal length. Setae v1, v2 and v5 accompanied by circular pores. One pair of lyrifissures (iv3) located near setae v2. Anal shield triangular, with anal opening covered by a small valve, and a pair of very short setae Ad1. Setae Ad2 and Pa on shield surrounding the anus, Ad2 = 2 x Pa. Peritreme long, with characteristic curve at level of coxae II, without poststigmatic extension, prestigmatic section 177–230 µm in length, reaching camerostome, stigmata at level of coxae III. Gnathosoma. Epistome narrow and serrated, distally bifid. Hypostome similar to female (Fig. 17 A). Tritosternum 6branched, with broad base (Fig. 17 B). Legs (Fig. 17 C). Structure and chaetotaxy as for female. Protonymph. Weakly sclerotised, colour white to yellowish. Dorsal idiosoma (Fig. 19 A). Length 469–504 µm, width 381–404 µm (n = 3). Podonotal shield pearshaped, large (length 264–293 µm, width 180–186 µm), smooth. Mesopodal shields small, elongate (59–72 µm); mesonotal shields irregular in shape (diameter 84–91 µm); pygidial shield crescentshaped (152–163 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; apparently supporting a soft, membranous fringe surrounding the idiosoma (width 102–117 µm). Several idiosomal setae with associated circular pores. Ventral idiosoma (Fig. 18 B, 19B). Weakly sclerotised, smooth. Sternal shield poorly defined, with three pairs of simple sternal setae. 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 143–156 µm), smooth, with anal opening, a pair of setae Ad and an unpaired seta Pa; Ad = ½ Pa. Peritreme short, simple, without poststigmatic section (prestigmatic section straight, 61–86 µm in length); stigmata at the level of coxae III. Gnathosoma. As for female, except hypostomal groove more distinctly denticulate. Hypostomal setae h3 denticulate. Palp trochanter setae pv1 and pv2 serrated (Fig. 20 A). Tritosternum 6branched, with broad base (Fig. 20 B). Legs (Fig. 20 C). Structure of podomeres similar to adults. Chaetotaxy has not been analysed. Larva. Unsclerotised, colour whitish. Dorsal idiosoma (Fig. 21 A). Length ca 347 µm, width ca 266 µm. Anterior end of body with three indistinct cuticular processes. Podonotal shield lanceolate, smooth. Two pairs of sclerites located below the podonotum. Dorsal setae j1–j6 and J2 inserted paraaxially; j1 long, recurved, j2–j6 simple, short, located on the podonotum, J2 bifid, inserted on pleura between podonotal and pygidial shields. 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 the edge of podonotum, S1 and Z2 positioned in soft pleura. Setae R1–R3, S4, Z3, Z4, J4 and J5 massive, inserted on protuberances along the margin of the body; all bifid, except S4 and Z4, which are hornlike. Ventral idiosoma (Fig. 21 B). Sternal setae (st1–st3) short, simple. Ventral setae v1 short, simple, located above anal shield, v5 bifid, inserted lateral to anal shield; v5 = 60 µm; v1 = 1/3 v5. One pair of ventral glands (gv) located above setae v1. Anal shield with one pair of glands, a pair of adanal setae Ad and unpaired postanal seta Pa; Pa = Ad. Gnathosoma. As for female, except hypostomal setae h3 and h4 not present, h2 long, serrated, denticles on hypostomal surface and hypostomal groove blunt (Fig. 22 A). Palp trochanter setae pv1 and pv2 robust, short; pv1 = pv2. Tritosternum 6branched, with broad base (Fig. 22 B). Legs (Fig. 22 C). Trochanter I with serrated seta pl; tibia I with long robust dorsal setae; tarsus I with two proximal posterodorsal setae robust, laterally serrated, pd2 = 2 pd1. Femur II with serrated seta pl; genu and tibia II with spinelike ad1–ad2 and pd1–pd2 setae; tarsus II with setae ad1 and pd1–pd2, robust, laterally serrated; setae v1–v2 robust, and seta pl robust, distally serrated. Tarsus III with all setae robust, v1–v2, ad and pd long. Etymology: The name of this species refers to its similarity to C. cassidea.Published as part of 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), pp. 1-45 in Zootaxa 1219 on pages 13-26, DOI: <a href="http://zenodo.org/record/172506">10.5281/zenodo.172506</a&gt

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