Thus at the very commencement we read as one of the characters of the family Papilionidæ, “Larva cylindrical, not spiny, furnished with two retractile tentacles on the second segment.” ...

However, the larvae themselves do not suffer any harm from the toxin. ... In the case of the Papilionidae, this migration has been accompanied by major changes in host plants since their emergence.

Swallowtail larvae feed on aristolochia (Dutchman’s pipe), which is very abundant here in southern Florida. ... The largest in the papilionidae family of butterflies is the giant swallowtail.

Nicolás Oliveira Mega, Vanessa Willems Scalco, Guilherme Wagner Gutierrez Atencio, Ana Beatriz Barros De Morais, Helena Piccoli Romanowski, Battus polydamas (Lepidoptera: Papilionidae) uses the ...