Male of Eoanthidium riparium (Cockerell, 1929) from different regions A–C dorsal view of individuals from South India (Karnakata), Pakistan (Panjab), and North India (Hisar, Haryana) respectively D face of a male Eoanthidium riparium from Pakistan (SEMC27). Note the change in the ground color from black (A) across reddish brown on terga and black on scutum (B) to entirely reddish brown (C). Also, note the shape of the reddish apical margin of the clypeus (black arrows) which is similar to the drawing of Gupta (1993: fig. 65) for Eo. punjabense.