Life history: 5th instar caterpillars and prepupae. a–j H. rumiko, USA: TX: Duval Co., Benavides A–K H. cresphontes, USA: TX: Denton Co., Grapevine Lake, Murrell Park a–h, A–J 5th instar caterpillars and i–j, K prepupae; 1 cm scale shown on panels a and K refers to all images. Sexes and voucher numbers (where available) and dates: a–c larva #2, died (shown in Fig. 21a–b, f–n), 1-May-2013 d–h paratype ♀ NVG-2564, 11-May-2014 (adult Figs 9, 10) i–j paratype ♂ NVG-2559, 11-May-2014 A–E 26-Jun-2014 F–K ♂ NVG-2740, 21-Jun-2014 (F–J) & 23-Jun-2014 (K).

  Part of: Shiraiwa K, Cong Q, Grishin NV (2014) A new Heraclides swallowtail (Lepidoptera, Papilionidae) from North America is recognized by the pattern on its neck. ZooKeys 468: 85-135.