Lesser Wanderer Caterpillar on Milkweed
(Danaus petilia), feeding on Common Milkweed (Asclepias syriaca). This picture shows the habit of the Lesser Wanderer and the Monarch (Danaus plexippus), caterpillars of snipping the leaf of the milkweed to bleed it of the white sap before consuming the leaf, photographed at Warrumbungles National Park, near Coonabarabran.