Life history: 2nd and 3rd instar caterpillars. a–r H. rumiko, USA: TX: Duval Co., Benavides A–K H. cresphontes, USA: TX: Denton Co., Grapevine Lake, Murrell Park a–k, A–E 2nd and k–r, F–K 3rd instar caterpillars; 0.5 cm scale shown on panels m and K refers to all images. Sexes and voucher numbers (where available) and dates: a–c paratype ♀ NVG-2564, 25-Apr-2014 d–f paratype ♀ NVG-2563, 25-Apr-2014 g–i larva #7 (died), 29-Apr-2014 j–k paratype ♂ NVG-2559, 25-Apr-2014 l–o paratype ♂ NVG-2559, 27-Apr-2014 p–r paratype ♀ NVG-2564, 29-Apr-2014 A–B, F–K ♂ NVG-2760, 22-Jun-2014 (A–B), 24-Jun-2014 (F–H), 26-Jun-2014 (I–K) C–E ♀ NVG-2741, 16-Jun-2014.

  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.