Colour in life. Young female of Amphithrax aculeatus (Herbst, 1790) (BLSZ 217), Barbados. A. Habitus dorsal view; B. Ventral view. Adult male of Amphithrax aculeatus (Herbst, 1790) (MNHN-IU-2013-5929), Guadeloupe; C. Habitus, dorsal view; D. Ventral view. Adult male of Amphithrax verrucosus (H. Milne Edwards, 1832) (GIC 072), Venezuela; E. Habitus, dorsal view; F. Ventral view. Female of Amphithrax verrucosus (H. Milne Edwards, 1832) (BLSZ 328), Barbados; G. Habitus, dorsal view; H. Ventral view. Scale bars: 20 mm. Photos: A, B, G, H. Nadeshinie Parasram. C, D. Joseph Poupin. E, F. William Santana.