New spider mite genus (Prostigmata: Tetranychidae) from Australia & New Zealand, with a discussion of Yezonychus Ehara
Author
Beard, Jennifer
Author
Walter, David Evans
text
Zootaxa
2010
2578
1
24
journal article
10.5281/zenodo.197527
9cb64773-c522-4966-9042-b4d8c5bdf5f9
1175-5326
197527
Yezonychus
Ehara
Type
species:
Yezonychus sapporensis
Ehara, 1978
Diagnosis.
Three pairs of prodorsal setae, nine pairs of dorsal opisthosomal setae, seta
f2
absent, setae
h1–3
present; empodia elongate with basal stalk split distally into two claw-like prongs (stalk clearly visible in dorsoventral perspective;
Fig. 1
); tenent hairs elongate, fine. Insertion of posterior dorsal opisthosomal setae
h2
posterior to insertion of setae
h1
(
h2
inserted in commonly observed position). Female with spinneret (suζ) longer than broad. Dorsal setae longer than distance to base of setae in next setal row.
Remarks.
Monotypic genus of the “little web” or LW-s life-type sensu
Saito (1983
;
1985
;
2009
), i.e. mites spin life lines while walking, but have no other use of threads.
Yezonychus
mites attach their eggs to the tips of leaf hairs, and quiescent stages also rest in similar position.