Serraseius caicara, Moraes, Gilberto José De, Barbosa, Marina Ferraz De Camargo & Castro, Tatiane Marie Martins Gomes De, 2013

Moraes, Gilberto José De, Barbosa, Marina Ferraz De Camargo & Castro, Tatiane Marie Martins Gomes De, 2013, Phytoseiidae (Acari: Mesostigmata) from natural ecosystems in the State of São Paulo, Brazil, Zootaxa 3700 (3), pp. 301-347 : 315

Serraseius caicara n. sp.

( Figures 14–20 )

Diagnosis. Females and males distinguished from other phytoseiid species by the combination of characters given in the description of the genus.

Specimens examined. Holotype female and a paratype male from Nectandra oppositifolia Nees & Mart., Cananéia , State of São Paulo, 21 March 2001, L.V.F. Silva coll.; a paratype female from Musa sp., Juquiá, State of São Paulo, 21 August 2001, L.V.F. Silva coll.; all deposited at ESALQ-USP.

Description. Female. (n= 2). Figures 14–18 .

Dorsum. Dorsal shield smooth behind Z4 and mostly imbricate elsewhere, with a notch at level of r3 and a waist at level of R1, with three distinguishable pairs of lyrifissures and a pair of pores, 280–297 long and 160–170 wide. Setae j1 20, j3 34–39, j 4 25–27, j5 43–44, j6 64–70, J 5 12–14, z2 78–83, z 4 28–31, z 5 28–29, Z1 76–79, Z4 70–72, Z5 74–77, s4 74 –78, S4 67 –68, S5 33 –37, r3 46–47, R1 39–41. All setae serrate and pointed.

Venter. Sternal shield very lightly sclerotised, with anterior and posterior margins indistinct, apparently with a posterior median lobe; with three pairs of setae and two pairs of lyrifissures; seta St 4 set on distinct metasternal shields; distances between St1 - St3 55–57, St2 - St2 58. Genital shield smooth; distance between St5 - St5 43–46. Ventrianal shield ovoid, with scanty transverse arched lines near anterior end, 84–85 long, 44–46 wide at anus level, with a pair of pre-anal setae (JV2); JV1, JV4, JV5, ZV1 and ZV2 on unsclerotised cuticle and a pair of preanal pores, each of the latter posterior and about in longitudinal line with the pre-anal seta of the same side. Ventral setae smooth, except for JV5, serrate. Metapodal plates indistinguishable. Peritreme almost reaching level of j1.

Chelicera. Movable cheliceral digit 20–21 long, with two teeth near the middle of the digit; fixed cheliceral digit 22, with 2 distal teeth; pilus dentilis insdistinguishable.

Spermatheca. Calyx funnel-shaped, 6 long; atrium c-shaped.

Leg macrosetae. Absent. Chaetotaxy: genu II: 2-2/1, 2/0-1; genu III: 1-2/1, 2/0-1.

Male (n= 1). Figures 19–20 .

Dorsum. Dorsal shield pattern similar to female, 227 long and 130 wide. Setae j1 16, j3 28, j4 25, j5 32, j6 44, J5 9, z2 48, z4 25, z5 27, Z1 42, Z4 46, Z5 52, s4 52, S4 40, S5 25, r3 35, R1 25. All setae serrate and pointed. Peritreme almost reaching level of z2.

Venter. Sternogenital shield smooth. Ventrianal shield subtriangular, reticulate, 101 long and 117 wide at anterior corners, with three pairs of pre-anal setae (JV1, JV2 and ZV2), five pairs of lyrifissures and a pair of pores.

Chelicera. Spermatodactyl L-shaped, with shaft 9–12 long.

Leg macrosetae. Absent. Chaetotaxy of genua II and III as in female.

Etymology. The name caicara refers to “ caiçara ”, a Tupian word referring to inhabitants of the coastal region of south and southeastern Brazil.

Figures

FIGURES 14 – 20. Serraseius caicara n. sp. Female: 14. Dorsal idiosoma, 15. Ventral idiosoma, 16. Spermatheca, 17. Chelicera, 18. Genu, tibia and tarsus of leg IV. Male: 19. Spermadactyl, 20. Ventrianal shield.