Ongoing, feel free to contact me with omitted species and evidence of their availability past or present in the UK. Thanks, Viv.
Hamadryas amphinome, the red cracker, is a species of cracker butterfly in the family Nymphalidae, native to regions of North and South America.
Hamadryas feronia, the variable cracker, is a species of cracker butterfly in the family Nymphalidae. It is found in the southern parts of the United States and south to Brazil.
Hamadryas laodamia, the starry night cracker or starry cracker, is a species of cracker butterfly in the family Nymphalidae. It can be found from Mexico to the Amazon basin.
Hamadryas februa, the gray (or grey) cracker, is a species of cracker butterfly in the Nymphalidae family. It is found from Argentina north through tropical America to Mexico. Rare strays can be found up to the lower Rio Grande Valley in southern Texas. The habitat consists of subtropical forests, forest edges and cultivated areas with trees.
Panacea prola, the prola beauty or red flasher, is a species of butterfly of the family Nymphalidae. It is found from Costa Rica to southern Brazil, but is most common in the foothills of the eastern Peruvian Andes.