Question Mark Cockroach vs Asian Cockroach
Side-by-side species comparison
| Attribute | Question Mark Cockroach | Asian Cockroach |
|---|---|---|
| Scientific Name | Therea olegrandjeani | Blattella asahinai |
| Order | Blattodea | Blattodea |
| Family | Corydiidae | Ectobiidae |
| Size | 25-30mm | 13-16 mm |
| Habitat | Deserts & Drylands | Underground |
| Diet | Omnivores | Omnivores |
| Regions | Asia | Asia, North America |
| 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 Cockroach
Nearly identical in appearance to the German cockroach but with very different behavior, as it lives outdoors and is strongly attracted to lights. It is an excellent flier.
Did You Know?
The Asian cockroach is so similar to the German cockroach that even experts sometimes need laboratory analysis to distinguish the two species.