Typhlodromalus araucariae Gonçalves & Ferla, 2015

Gonçalves, Dinarte, Cunha, Uemerson Silva Da, Bampi, Paula Maria, Moraes, Gilberto José De & Ferla, Noeli Juarez, 2015, Phytoseiid mites (Acari: Mesostigmata) from Araucaria Forest of the State of Rio Grande do Sul, Brazil, with new records and descriptions of four new species, Zootaxa 4032 (5), pp. 569-581 : 573

Typhlodromalus araucariae Gonçalves & Ferla n. sp.

( Figs 7–11 )

Diagnosis. Typhlodromalus araucariae Gonçalves & Ferla n. sp. differs from the other Typhlodromalus species by the following combination of characters: details of spermatheca: atrium strongly sclerotised, calyx elongate and posteriorly enlarged; setae of the dorsal shield stout (except j4, j5, j6, J2, J5 and z5), setae Z4 not serrate and not as long as distance between its base and that of setae S4, and there is one macroseta on tarsus IV with a very small terminal knob. This is the only Typhlodromalus species that features only one macroseta on leg IV.

Adult Female. Five females examined. Idiosomal setal pattern ( Chant & Yoshida-Shaul, 1992): 10A:10B/ JV- 3: ZV.

Dorsum ( Fig. 7 ). Dorsal shield with four pairs of pores and three pairs of lyrifissures, 370 377 (370–388) long, 235 233 (223–243) wide at level of s4; j 1 25 27 (22–27), j 3 25 24 (20–27), j4 10, j 5 13 11 (10–13), j 6 13 12 (10– 13), J 2 17 18 (15–20), J5 10, z 2 25 22 (20–25), z 4 20 21 (20–23), z 5 13 11 (10–13), Z 1 15 16 (15–17), Z 4 27 29 (25–33), Z5 68 73 (68–75), s4 33, S 2 25 26 (25–28), S 4 13 15 (13–17), S 5 10 11 (10–13), r3 20 (17–23), R 1 13 15 (13–17). Median setae short and slender, except j1, j3 and z5. Setae Z5 serrated.

Venter ( Fig. 8 ). Distances between St1–St3 65 67 (65–70), St2–St2 67 (65–70), St5–St5 75 77 (75–80). Ventrianal shield with 110 113 (110–117) long, 75 71 (65–77) wide at level of ZV2 and 80 82 (80–85) wide at level of anus. JV5 30 (29–31).

Chelicera ( Fig. 9 ). Fixed digit 32 33 (32–34) long, with seven teeth; movable digit 28 (25–31) long, with two teeth, pilus dentilis not observed.

Spermatheca ( Fig. 10 ). Calyx tubular, 23 24 (23–26) long.

Legs ( Fig. 11 ). One macroseta terminating in very small knob, St IV 37 (35–40); chaetotaxy: genu II 2–2 /0–2/ 0–1; genu III 1–2 /1–2/1–0.

Male ( Figs 12–13 ). Two specimens measured.

Dorsum. Dorsal shield with 285 (383–385) long, 188 (185–188) wide at level of s4; j1 20, j3 18, j4 10, j5 10 (8–10), j6 8 (8–10), J2 13 (12–13), J5 8, z2 15, z4 15, z5 10 (8–10), Z1 13, Z4 17 (15–17), Z5 50, s4 18 (18–20), S2 15, S4 15, S5 10, r3 15 (13–15), R1 12 (12–13).

Venter ( Fig. 12 ). Distances between St1–St3 63 (60–63), St2–St2 57 (65–70), St5–St5 45. Ventrianal shield with 118 long, 145 (143–145) wide at level of ZV2 and 75 wide at level of anus.

Chelicera. Fixed digit 32 (32–34) long, with five teeth; movable digit 28 (25–31) long, with two teeth.

Spermatodactyl ( Fig. 13 ) Shaft 18 (18–22).

Legs. One macroseta terminating in very small knob, St IV 22 (22–25). Chaetotaxy: genu II 2–2 /0–2/0–1; genu III 1–2 /1–2/0–1.

Type material. Holotype female from Bougainvillea spectabilis Willd (Nyctaginaceae) , São Francisco de Paula, State of Rio Grande do Sul, October 2013, Gonçalves D. coll. Four females and two paratypes male at same locality and date, are deposited at Museu de Ciências Naturais (ZAUMCN), UNIVATES—Centro Universitário, Lajeado, Rio Grande do Sul State, Brazil.

Etymology. This species is named after the vegetation type in which the types were collected.

Figures

FIGURES 7 – 11. Typhlodromalus araucariae n. sp. Female: 7. Dorsal shield, 8. Ventral surface, 9. Chelicera, 10. Spermatheca. 11. Leg IV.

FIGURES 12 – 13. Typhlodromalus araucariae n. sp. Male: 12. Ventrianal shield, 13. Spermatodactyl.