FIGURE 1 in Alternative facts: a reconsideration of putatively natural interspecific hybrid specimens in the genus Heliconius (Lepidoptera: Nymphalidae)

FIGURE 1. Heliconius wing regions (left) and venation (right) discussed in the specimen accounts below. Abbreviations: FW = forewing; HW = hindwing; Hu = humeral vein; Sc = subcostal vein; R1–R5 = radial veins 1–5; RS = radial sector vein; M1–M3 = medial veins 1–3; Cu1, Cu2 = cubital veins 1 and 2; A1+2, A3 = anal veins 1–3. Wing outline modified from Papa et al. (2013, fig. 2).