Bug Identifier
Pandora Sphinx Moth
Community identification

Pandora Sphinx Moth

Eumorpha pandorus

Order & Family
Order: Lepidoptera, Family: Sphingidae
Size
Wing Span: 8-11 cm (3-4.5 inches)
See this bug in the Encyclopedia

Natural Habitat

Woodlands, suburban areas, gardens, vineyards, and other areas where their host plants (grapes and Virginia creeper) are abundant. They are typically found in eastern North America.

Diet & Feeding

Adult Pandora Sphinx Moths feed on nectar from various flowers, often preferring deep-throated flowers that accommodate their long proboscis. Caterpillars feed on the leaves of their host plants, primarily grapevines (Vitis species) and Virginia creeper (Parthenocissus quinquefolia).

Behavior Patterns

Adults are active flyers, especially at dusk and during the night. They are known for their rapid, sometimes hummingbird-like flight. The larvae (caterpillars) are typically found on their host plants, often camouflaged and feeding voraciously. When disturbed, the caterpillar may rear its head and thorax, giving it a sphinx-like appearance, which is where the family Sphingidae gets its common name (sphinx moths).

Risks & Benefits

Risks: The caterpillars can be considered agricultural pests in vineyards due to their feeding on grapevines, potentially defoliating plants if present in large numbers. Benefits: As adults, they act as important pollinators for various flowering plants. Their caterpillars are also a food source for birds and other insectivores, contributing to the food web. They are not harmful to humans.