- The drawings of the original description of B. solidus Akbar & Khalid are exactly the same as those of the original description of B. solidus Chaudhri & Akbar. The site of Collection of the former species (3 kmnorth of Karachi) is also similar to that of the latter (3 miles north of Karachi). Despite of the minor differences in the collectors and collection dates, they appear to be the same species and therefore B. solidus Akbar & Khalid is a primary homonym and junior synonym.;