Entomologists have discovered Papilio solstitius, a new tiger swallowtail butterfly that appears in summer in eastern North ...

Thin yellow and black body Black and yellow tiger stripes ... Eastern, western and Canadian tiger swallowtail butterflies look almost identical, but the latter two are smaller.

It’s a diverse family, with more than 500 swallowtail butterfly ... For example, the tiger group is bright yellow with narrow black stripes. Three species in this group—eastern, western ...