Trichobothrium: (pl: trichobothria) long, slender, sensory hairs that grow perpendicularly from the leg. These specialized hairs are used to sense vibrations and wind currents, including even the slightest movement from the flutter of insect wings!
Clypeus: the area of the carapace between the bottom (anterior) row of eyes and the beginning of the chelicerae (jaws).
Epigynum, Epigyne: (pl: epigyna) the complex region of female spiders covering the internal genitalia and located on the underside of the abdomen, near its connection to the cephalothorax. The epigyne area is the “finger print” to the species. More often than not, this area must be seen under a microscope by an experienced eye in order to determine the species.
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