The constellation array (a recently discovered sensory structure on the fixed finger of pedipalp; Fet et al., 2006) is analyzed for a large set of species belonging to four genera in the family Vaejovidae: Paruroctonus, Smeringurus, Vejovoidus, and Paravaejovis. It is shown that this structure is an important taxonomic character. Two distinct configurations are identified, a two-sensilla array for Paruroctonus + Smeringurus + Vejovoidus and a three-sensilla array for genus Paravejovis, both differing from other vaejovid configurations so far investigated. The topology of these two array configurations are analyzed using landmark setae identified in this study.
Fet, V., Soleglad, M. E., Brewer, M., Neff, D. P., & Norton, M. L. 2006 . Constellation array in scorpion genera Paruroctonus, Smeringurus, Vejovoidus, and Paravaejovis (Scorpiones: Vaejovidae). Euscorpius, No. 41: 1-6.
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