Question Mark Cockroach vs Asian Lady Beetle (Harlequin)
Side-by-side species comparison
| Attribute | Question Mark Cockroach | Asian Lady Beetle (Harlequin) |
|---|---|---|
| Scientific Name | Therea olegrandjeani | Harmonia yedoensis |
| Order | Blattodea | Coleoptera |
| Family | Corydiidae | Coccinellidae |
| Size | 25-30mm | 6-9 mm |
| Habitat | Deserts & Drylands | Forests |
| Diet | Omnivores | Omnivores |
| Regions | Asia | East Asia, Japan |
| Conservation | Least Concern | Least Concern |
Question Mark Cockroach
A close relative of the domino cockroach with white markings that form a question-mark-like pattern on its black body. It is a desert species that burrows in sandy soil as a nymph.
Did You Know?
The white markings on its back form a pattern resembling a question mark, making it instantly recognizable.
Asian Lady Beetle (Harlequin)
A large ladybug native to Japan, closely related to the invasive Asian lady beetle. Found in forest canopies where it feeds on aphids. Distinguished by its slightly more elongated body shape.
Did You Know?
Unlike its more famous relative Harmonia axyridis, this species has stayed in its native range and has not become a worldwide invasive pest.