Neoseiulus

Kolodochka, Leonid A. & Gwiazdowicz, Dariusz J., 2014, A new species of predaceous mite of the genus Neoseiulus Hughes (Acari, Phytoseiidae), with redescriptions of N. magnanalis (Thor) and N. ellesmerei (Chant & Hansell), from Svalbard, High Arctic, Zootaxa 3793 (4), pp. 441-452 : 442

Key to females of Neoseiulus from Svalbard

1. Peritremes terminate anteriorly far from bases of dorsal setae D1 ( Figs 1, 2 ); one macrosetae on leg IV ( Fig. 12 )......................................................................................... N. magnanalis ( Thor, 1930)

- Peritremes nearly reach bases of dorsal setae D1 ( Figs 15, 16 , 31 ); three macrosetae on leg IV......................... 2

2. Movable digit of chelicerae with two teeth ( Figs 19, 20 ); spermatheca without cervix............ N. grumantensis sp. nov.

- Movable digit of chelicerae without teeth; spermatheca with long and thick cervix ( Figs 35, 36 ).............................................................................................. N. ellesmerei ( Chant & Hansell, 1971)

Figures

FIGURES 1 – 4. Neoseiulus magnanalis (Thor). Female. 1, dorsal shield; 2, anterior part of dorsal shield; 3, section of ventral body surface; 4, caudal part of peritrematal shield.

FIGURES 5 – 14. Neoseiulus magnanalis (Thor). Female. 5, 6, chelicera; 7 – 9, metapodal plates; 10, 11, spermatheca; 12, section of leg IV (genu, tibia, tarsus); 13, femur of leg IV; 14, genu of leg II.

FIGURES 15 – 18. Neoseiulus grumantensis, sp. nov. Female. 15, dorsal shield; 16, anterior part of dorsal shield; 17, fragment of ventral body surface; 18, caudal part of peritrematal shield.

FIGURES 31 – 33. Neoseiulus ellesmerei (Chant & Hansell). Female. 31, dorsal shield; 32, fragment of ventral body surface; 33, caudal part of peritrematal shield.

FIGURES 19 – 27. Neoseiulus grumantensis, sp. nov. 19, 20, chelicera; 21, 22, spermatheca; 23, 24 metapodal plates; 25, fragment of leg IV (genu, tibia, tarsus); 26, femur of leg IV; 27, genu of leg II.

FIGURES 34 – 40. Neoseiulus ellesmerei (Chant & Hansell). Female. 34, chelicera; 35, 36, spermatheca; 37, 38, metapodal plates; 39, tarsus of leg IV; 40, genu and tibia of leg IV.