In Stratiolaelaps, the chelicerae are elongate (snapping), the movable digit is bidentate, and the fixed digitfixed digit:
the distal extension of the middle article of the chelicera; usually bearing teeth and a distal hook and opposed to the movable digit in chelate-dentate forms, but often regressed; in Mesostigmata the fixed digit may bear the pilus dentilis.
has either 3–4 teeth and a shear-like region or two teeth before the pilus dentilispilus dentilis:
(pl. pili dentilis) a seta-like or membranous sensory organ inserted ventrolaterally on the fixed digit of the chelicera of many Mesostigmata.
and a short serrateserrate:
with closely set teeth that resemble the cutting edge of a saw.
region with 4 or more teeth behind the pilus dentilispilus dentilis:
(pl. pili dentilis) a seta-like or membranous sensory organ inserted ventrolaterally on the fixed digit of the chelicera of many Mesostigmata..
Author: David E. Walter
Content last updated Sept. 2006, unless indicated otherwise
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