Typhlodromus (Typhlodromus) ernesti Ragusa and Swirski

Ferragut, Francisco & Ueckermann, Edward A., 2012, A new species and new records of the subgenus Typhlodromus Scheuten from Spain, with a key to the world species (Acari: Phytoseiidae), Journal of Natural History 46 (27 - 28), pp. 1731-1745 : 1734

Typhlodromus (Typhlodromus) ernesti Ragusa and Swirski

Typhlodromus ernesti Ragusa and Swirski, 1978: 211 ; Moraes et al. 1986: 243; Chant and Yoshida-Shaul 1987: 1798; Denmark 1992: 20; Steeghs et al. 1993: 24; Edland and Evans 1998: 284; Swirski and Amitai 1997: 13; Meshkov 1999: 430.

Typhlodromus (Typhlodromus) ernesti Ragusa and Swirski, Moraes et al. 2004: 364 ; Barbar et al. 2005: 147.

Typhlodromus ernesti postici Karg 1989: 275 .

Typhlodromus ernesti ernesti Karg 1989: 280 .

Specimens examined

Three females, one male, Caldes de Boi, Lerida Province, 42 ◦ 33 ′ 48 ′′ N, 0 ◦ 50 ′ 44 ′′ E, 1530 m a.s.l., on Abies alba Mill. (Pinaceae) , 7 July 2000, F. Ferragut.

Previous records

Canada, France, Israel, Italy, Norway, Russia, Sweden.

Remarks

The measurements of three adult females are similar to those of the holotype, except for the shorter z3 and z4. Measurements of the three females are: dorsal shield, 344 long (330–356), 160 wide (146–170); genital shield, 71 wide (70–72); ventrianal shield, 109 long (98–116), 100 wide (92–110). Setae j1: 22 (20–25), j3: 25 (24–26); j4: 15 (15–16), j5: 14 (14–15), j6: 18 (16–20), J2: 19 (18–22), J5: 5 (5–6), z2: 16 (15–16), z3: 17 (17–18), z4: 18 (16–20), z5: 14 (14–15), Z4: 34 (31–38), Z5: 53 (50–58), s4: 23 (21–25), s6: 25 (22–28), S2: 30 (27–32), S4: 29 (28–32), r3: 20 (19–22), R1: 22 (20–25), JV5: 46 (45–48). SgeIV 20 (18–22); StiIV: 27 (24–30); St IV: 45 (42–48). Four pairs of dorsal solenostomes (gd2, gd6, gd8 and gd9). Chaetotactic formula of genus II: 22 / 0, 2 / 01. Considerable variability has been reported in the literature for the number of teeth on the fixed digit of the chelicera, ranging from one tooth ( Chant and Yoshida-Shaul 1987; Denmark 1992) to four teeth ( Ragusa and Swirski 1978; Chant and Yoshida-Shaul 1987). Specimens collected in Spain have two teeth in addition to the pilus dentilis.