Typhlodromus (Typhlodromus) ernesti Ragusa & Swirski, 1978

Tixier, Marie-Stéphane, Dennj, Principato, Douin, Martial, Kreiter, Serge & Haralabos, Tsolakis, 2019, Mites of the genus Typhlodromus (Acari: Phytoseiidae) from Southern France: combined morphological and molecular approaches for species identification, Zootaxa 4604 (2), pp. 242-280 : 264

Typhlodromus (Typhlodromus) ernesti Ragusa & Swirski, 1978

Typhlodromus ernesti Ragusa & Swirski, 1978: 211 .

Typhlodromus ernesti postici — Karg, 1989: 275.

Specimens collected. One female on Abies alba Miller (Pinaceae) , Montferrier-sur-Lez, Cirad de Baillarguet, France (43°40’58.0N, 3°52’24.0E), on 11/09/2017.

Known distribution. Austria, France, Hungary, Israel, Italy, Norway, Russia, Spain, Sweden, Tunisia, Ukraine.

Measurements (1 female)

Dorsum. Dorsal shield 341 long, 193 wide at level of s4, 191 at level of S2, 189 at level of S4; slightly reticulated on podonotum, and strongly on the opisthonotum, with four solenostomes (gd2, gd6, gd8, gd9); 17 pairs of dorsal setae and two pairs of sub-lateral setae: j1 25; j3 26; j4 17; j5 15; j6 20; J2 22; J5 5; z2 15; z3 22; z4 20; z5 18; Z4 30; Z5 53; s4 22; s6 22; S2 30; S4 29; r3 22; R1 25. All setae smooth, except Z4 and Z5, slightly serrated. Peritreme extending forwards the level between the bases of the setae j1–j3.

Ventral idiosoma. Sternal shield smooth or slightly reticulated with two pairs of setae (st1, st2) and poroids (iv1, iv2). Distances between setae st1–st1 46, 46, st2–st2 56, st1–st2 36. Setae st3 and st4 tylochorous (on platelets). Genital shield slightly striated, genital sigilla (1–3 pairs) clearly visible. Genital sigilla visible on the genital shield; the 4 th and 5 th pairs of genital sigilla filiform, visible between the bases of the setae ZV1. The 6 th pair of sigilla (sgpa) postero-paraxial to the setae ZV1. Ventrianal shield sub-pentagonal, slightly striated with four pairs of pre-anal setae, JV1, JV2, JV3 and ZV2. Length of the ventrianal shield 101, width at level of setae ZV2 95, at level of setae JV2 89, at level of setae JV3 83 and at level of para-anal setae 69. Pre-anal sigilla are visible postero-paraxially to the bases of the setae JV2. Solenostome gv3 absent.

Chelicera. Fixed digit 29 long with three subapical teeth and pilus dentilis. Movable digit, unidentate, 27 long.

Legs. Genu II with seven setae, 2 – 2/0, 2/0 – 1; Legs IV with a pointed macroseta on basitarsus, StIV 52 long.

Insemination apparatus. Major duct 13 long, accessus not visible. Atrium inserted at the basis of calyx. Minor duct sometimes visible. Calyx flask-shaped with thick walled, 13 long and 8 wide.

Remarks. This species was already reported on Abies sp. in Spain and Norway.