Oriental Cockroaches

Large and dark brown, the Oriental cockroach is one of the most common cockroaches in the United States. It is also one of the largest, with adults reaching up to 1.6 inches in length.

Females are slightly larger than males and have a broader, more oval-shaped body. Both sexes have wings, but they are useless for flight. Instead, the wings cover and protect the cockroach’s body.

They are also known as waterbugs or black beetle cockroaches because of their dark brown or black bodies.

Oriental Cockroach Blatta orientalis
Oriental Cockroach (Blatta Orientalis)

What is the difference between a German Cockroach and an Oriental Cockroach?

The difference between a German cockroach and an Oriental cockroach is that German cockroaches are smaller, more active, and more difficult to control, while Oriental cockroaches are larger, slower, and more likely to be found in damp areas.

Contact a Professional Exterminator at Killroy Pest Control

Oriental cockroaches are considered a household pest in many parts of the world. They are known to infest homes and businesses, and can be difficult to control but with the help of Killroy Pest Control, they’ll be gone in no time. Oriental cockroaches are attracted to dark, damp, and warm places, and can be found in basements, crawl spaces, and other dark areas. In some cases, they may also infest food storage areas and kitchens.

A female produces around eight egg capsules in her lifetime, with each containing 16 eggs. She deposits these capsules within 30 hours of their production. The nymphs emerge and go through 7-10 molts to become adults. There is usually only one generation per year, which can take over 500 days to complete. The adults live for around a year.

Types of Cockroaches in the Bay Area

The German Cockroach is the most common type of cockroach. They are small, brown, and have two dark stripes on their back.

The American Cockroach is the second most common type of cockroach. They are large, brown, and have a light-colored band on their back.
The Oriental Cockroach is the third most common type of cockroach. They are large, black, and have no stripes on their back.

The Brown-banded Cockroach is a distant fourth as they are very uncommon in our climate. They are small, brown, and have two dark bands on their back.

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