Fig. 7 in So different but nonetheless the same species: multiple geographic clines explain the diverse forms of the anthidiine bee Rhodanthidium caturigense s.l. (Apoidea: Megachilidae: Anthidiini)

Fig. 7 Relationship between the extent of yellow coloration and geographic latitude in Rhodanthidium caturigense. The yellow coloration was assessed with the help of 18 different parameters and a high colour score means much yellow, and a low score much black (for details see "Methodology")