The term "water bug" is often the nickname for an indoor roach called the Oriental cockroach (Blatta orientalis) but there's also a true water bug (infraorder Nepomorpha) that prefers to stay ...

In the decades that followed, the bug simply out-bred and out-competed the more common Oriental cockroach (Blatta orientalis), according to UC Riverside entomologist Michael K. Rust, author of a ...

Oriental cockroaches (Blatta orientalis) are the ones most likely to be mistaken for water bugs because they’re dark and live near water; sometimes they’re called water roaches.

Cockroaches. Cockroaches are usually reddish or brownish, although the oriental cockroaches (Blatta orientalis) are a lot darker. The main difference between a cockroach and a water bug is the ...

Nancy Heaslip of the Department of Environmental Conservation, inserts a radio transmitter into a little brown bat in an abandoned mine in Rosendale, N.Y., Tuesday, Jan. 27, 2009.

image: Adult males of the Turkestan cockroach, Blatta lateralis, (left) and the oriental cockroach, Blatta orientalis (right) are shown. view more Credit: Entomological Society of America. The ...

The replacement is likely occurring because Turkestan roaches (Blatta lateralis) lay more eggs and mature more quickly than oriental roaches (Blatta orientalis), Rust said.

Shedding its shell. In order to grow, cockroaches have to repeatedly shed the tough outer layer of their body. This moulting oriental cockroach (Blatta orientalis) has outgrown its shell, split it ...

DURING experiments on the oxygen consumption of Blatella germanica, it was observed that one specimen which was used on the day of its last moult, when it was still pale in colour, had a ...

The cockroach (Blatta orientalis), also known as the oriental cockroach or common cockroach, is a species of cosmopolitan insect from the order of cockroaches, occurring in many climatic and ...

The Blatta orientalis cockroach, also known as the waterbug or black cockroach, is a large species of cockroach, with adult males being 18–29 mm and adult females being 20–27 mm in size.