Community identification
Leaf-footed bug nymph (likely a giant mesquite bug)
Thasus sp. (likely Thasus neocalifornicus)
- Order & Family
- Hemiptera, Coreidae
- Size
- Nymphs are roughly 10–20 mm long; adults may reach 40–50 mm.
Natural Habitat
On shrubs and trees, especially mesquite and related plants in arid parts of the southwestern United States and Mexico.
Diet & Feeding
Pierces plant tissues and feeds on sap, commonly from seed pods, stems, and leaves.
Behavior Patterns
The bright orange-and-red insect is a nymph; it develops through several molts before becoming a large, dark-winged adult. Nymphs often gather on host plants.
Risks & Benefits
Harmless to people and not venomous; large numbers can damage pods or shoots, though it is generally a minor garden pest.