in sepia of a pearl crescent butterfly phyciodes tharos perched on thistle

agriculture anatomy animal antennae arthropod artwork bug butterfly close closeup colorado crescent decorative design detailed drawing eastern ecology engraved entomology environment graphic grass illustration insect invertebrate macro natural nature nuisance old oldfashioned one outdoor pearl perched petal phyciodes plant retro season sepia sketch spring stalk tharos thistle vintage western wild wildlife wing