The setae of the legs and the bodybody:
the idiosoma of mites.
are the most
reliable tools for identification in the Monogynaspida and they cannot be
ignored. Primitively, 6 dorsaldorsal:
relating to the upper or back side; opposed to ventral.
setae and 3 ventral setaeventral setae:
in the Lindquist-Evans system used in the Mesostigmata, the ventral region has up to three longitudinal rows (Jv, Zv, Lv) with 1-5 transverse row designations.
are present (and
2 pairs of lateral setae). Retention of the primitive condition and
reductions from these maximum numbers are useful taxonomically and often
recorded as a setalsetal:
of or pertaining to a seta.
formula, e.g., for the maximum on genugenu:
(pl. genua) (= patella) the 4th leg segment, between the femur and tibia.
I:
antero-posterodorsal
Anterolateral ____________________ Posterolateral
= 2-3-3/2-1-2
antero-posteroventral
Author: David E. Walter
Content last updated Sept. 2006, unless indicated otherwise
Lucid key player updated Sept. 2025
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