TYPE SPECIES. — Scorpio (Androctonus) madagascariensis Gervais, 1843 by original designation.
DIAGNOSIS. — Scorpions of medium to large size ranging from 35 to 120 mm in total length. The general coloration can present almost all the colour patterns observed among scorpions in general, ranging from pale yellowish to yellow, reddish-yellow to reddish brown, dark brown and blackish, and with dark spots which may be distributed in many different configurations. Body and appendages can vary from weakly to strongly granulated. Dentate margins of pedipalp-chela fingers composed of 11 to 14 oblique rows of granules, but without supernumerary granules. Pectines with 18 to 40 teeth; basal middle lamellae not dilated in males but strongly dilated in females. Subaculear tubercle is absent in adults, but can be present in juveniles.
GEOGRAPHICAL DISTRIBUTION. — Only known from Madagascar and Mayotte.