Table 1.

Characters proposed as possible explanatories of the toxicity variability found in our study

Species	Mimicry ring	Communal roosting	Gregarious larvae	Host plant specialisation
H. ethila	tiger	yes	no	specialist
H. numata	tiger	no	no	generalist
H. doris	blue/yellow	no	yes	specialist
H. sara	blue/yellow	yes	yes	specialist
H. aoede	rayed	no	yes	specialist
H. burneyi	rayed	no	yes	specialist
H. melpomene	postman	yes	no	(semi)specialist
H. erato	postman	yes	no	(semi)generalist