Chileseius camposi Gonzalez & Schuster, 1962

Trincado, R. D., Martin, J. P. I., Méndez Rosa, D. D., Lopes, P. C. & De Moraes, G. J., 2018, Phytoseiid mites (Acari: Phytoseiidae) from Chile, with descriptions of three new species and a redescription of Chileseius camposi, Zootaxa 4482 (2), pp. 322-340 : 325-327

Chileseius camposi Gonzalez & Schuster

Chileseius camposi Gonzalez & Schuster, 1962: 7 .

Chileseius camposi .— Moraes et al., 1986: 182, 2004: 58.

Avioseius pennatus Karg 1976: 513 (synonymy according to Chant & McMurtry, 2003: 11).

Chileseius pennatus .— Chant & McMurtry, 2003: 11.

Specimens examined. Holotype female: Curicó, Chile, on Vitis vinífera L., associated with Brevipalpus chilensis Baker , 8 April 1961, collected by L. E. Campos; deposited at USNM United States National Insect & Mite Collection, US National Museum of Natural History (Smithsonian), held at Systematic Entomology Laboratory (SEL), Beltsville Agricultural Research Center West (BARC West), United States Department of Agriculture (USDA), Beltsville, Maryland, USA. Paratype female: Vilcún, Temuco, Chile, on apple, associated with Tetranychidae , 28 April 1961, collected by L. M. Smith; deposited at Museo Luis Peña Guzmán, Facultad de Agronomía, Universidad de Chile, Santiago. Other specimens: Santiago Region. Municipality of La Pintana, on Punica granatum L., February 2008, associated with Eriophyes granati (Canestrini & Massalongo) ; on Rubus ulmifolius Schott., September 2002, associated with Tydeidae . Municipality of Curacaví, on Schinus latifolius (Gill. ex Lindl.) , February 2000, associated with Tydeidae .

FEMALE: (holotype, paratype and 4 additional specimens measured)

Dorsum ( Fig. 6 ). Dorsal shield with seven distinguishable pairs of pores and 11 distinguishable pairs of lyrifissures; 377 369 (344–405) long, 208 215 (187–230) maximum width; j 1 22 27 (20–30), j 3 22 31 (25–37), j 4 17 20 (15–25), j 5 17 20 (15–27), j 6 18 23 (15–32), J 2 22 31 (20–39), J 4 22 32 (20–32), J 5 12 15 (12–18), z 2 22 32 (25–40), z 4 24 35 (24–44), z 5 19 25 (18–32), z 6 23 30 (22–38), Z 1 27 37 (30–43), Z 3 23 32 (25–40), Z 4 45 55 (45– 58), Z 5 58 62 (55–70), s 4 27 42 (34–50), S 2 32 43 (31–50), S 4 34 48 (40–63), S 5 34 46 (37–53), r 3 23 31 (28–37), R 1 22 34 (28–39). Holotype with J 4, J 5, Z 4, Z 5, S 2 S 4 and S 5 serrate; other setae, smooth. All setae relatively stout; setae on the opisthonotal region of the dorsal shield setae on small tubercles.

Peritreme ( Fig. 6 ). Extending forward to level of j 1.

Venter ( Fig. 7 ). Sternal shield smooth; with two pairs of lyrifissures; distances between St 1– St 3 66 66 (64–67), St 2– St 2 62 68 (63–75). Genital shield smooth; distance between St 5– St 5 67 71 (67–75). Ventrianal shield striate, shield-shaped 129 127 (117–135) long, 89 98 (89–100) wide at ZV 2 level and 56 75 (56–80) at anus level, with three pairs of pre-anal setae and a pair of small, rounded pre-anal pores posteromesad of JV 2. Seta JV 5 35 48 (35– 55). All ventral setae smooth. Two pairs of slender metapodal plates, the posterior distinctly larger.

Chelicera ( Fig. 8 ). Antiaxial lyrifissure distinct. Fixed digit 35 35 long, with five or six teeth in addition to apical tooth and setiform pilus dentilis. Movable digit 32 32 long, with two teeth in addition to apical tooth.

Legs ( Fig. 9 ). Macrosetae present only on leg IV, blunt (in some specimens collected in this study, slightly knobbed). Sti IV 18 24 and St IV 28 34. Chaetotaxy of genu II 2 2/0, 2/0 1; genu III 1 2/1, 2/0 1.

Spermatheca ( Fig. 10 ). Calyx dish-shaped, 5 4 (3–5) long. Atrium discrete.

Remarks. In the original description of the species, the ventrianal shield is shown smooth, but our examination of the holotype showed it to be reticulate, as also observed in the additional specimens examined. The spermatheca was illustrated, but not described in the original description. The illustration could suggest the calyx to be trumpetshaped. However, our examination of the holotype and of the additional specimens examined suggests the calyx to be dish-shaped and the atrium being difficult to discern. In this publication, this species is considered to have most dorsal shield setae highly variable in length; measurements of the holotype are within the range determined for most setae of the specimens collected in this study, but j 3, J 5, Z 1, s 4, S 4, S 5, r 3 and R 1 of the holotype are shorter than observed in the specimens collected. In addition, differently from the holotype, in some of the specimens collected in this study Z 3 is distinctly serrate.

Figures

FIGURES 6–10. Chileseius camposi. Holotype female. 6. Dorsal view of idiosoma; 7. Ventral view of idiosoma; 8. Antiaxial view of chelicera; 9. Leg IV; 10. Spermatheca.