s Pest Library - Spider
REQUEST

Madagascar Hissing Cockroach

Madagascar Hissing Cockroach

Madagascar Hissing Cockroach

Facts

Scientific Name

Gromphadorhina portentosa

Appearance

What Do They Look Like?

madagascar cockroach picture

  • Size: Growing up to 7.5 cm in length, they are one of the largest cockroach species.
  • Color: Madagascar hissing cockroaches are brown in color.
  • Characteristics: Both nymphs and adults are wingless with horns and long antennae. Males have larger pronotal humps on their thorax and bushier antennae than females.

How Did I Get Madagascar Hissing Cockroaches?

Homeowners who find a Madagascar hissing cockroach have likely discovered someone’s missing pet. In the U.S., these insects live in classrooms as display insects and pet stores that offer these critters for sale. Padded feet allow these cockroaches to climb anywhere, so it is possible for them to crawl out of containment that is properly sealed and made inescapable.

How Serious Are Madagascar Hissing Cockroaches?

These insects pose no known danger to humans. Males are extremely aggressive and are commonly seen fighting with rival males.

Feel free to contact us with any questions or concerns
you may have. We’ll always be happy to assist.