Japanese Subsocial Shield Bug vs Harlequin Bug

Side-by-side species comparison

Attribute Japanese Subsocial Shield Bug Harlequin Bug
Scientific Name Parastrachia japonensis Murgantia histrionica
Order Hemiptera Hemiptera
Family Parastrachiidae Pentatomidae
Size 10-14 mm 8-11 mm
Habitat Forests Farmland
Diet Seed Feeders Sap Feeders
Regions Japan North America
Conservation Not Evaluated Least Concern

Japanese Subsocial Shield Bug

A subsocial shield bug where mothers carry drupes of a specific tree to their underground nests to feed their nymphs. This provisioning behavior is exceptionally rare among true bugs.

💡

Did You Know?

Mothers repeatedly leave the burrow to collect and carry fruit back to their young, one of the only true bugs to provision offspring.

Harlequin Bug

A boldly patterned stink bug with striking black and orange or red markings arranged in a harlequin pattern. It is a significant pest of cabbage and other cruciferous crops.

💡

Did You Know?

Female harlequin bugs lay their barrel-shaped eggs in precise double rows of 12, resembling tiny black-and-white striped barrels arranged like dominos.