Rainbow Shield Bug

Scientific Name: Calidea dregii

Order & Family: Hemiptera: Scutelleridae

Size: 10 to 20 mm in length

Rainbow Shield Bug

Natural Habitat

Found primarily in sub-Saharan Africa, inhabiting grasslands, shrublands, and agricultural areas.

Diet & Feeding

Polyphagous herbivores; they use piercing-sucking mouthparts to feed on seeds, buds, and fruits, particularly from plants like Jatropha and cotton.

Behavior Patterns

Diurnal and often found in clusters. They exhibit hemi-metabolous development (incomplete metamorphosis) and use their striking metallic colors as aposematic signals to warn predators of their foul taste.

Risks & Benefits

Considered an agricultural pest as they can damage crops and reduce seed yields; however, they contribute to the ecosystem as a food source for certain specialized predators.

Identified on: 3/15/2026