Baby's Cockroach Size

Baby’s Cockroach Size

Knowing the baby’s cockroach size is essential for pest control. A small one will be difficult to see and locate; a large one will be noticeable right away. It is necessary to identify an infestation problem before it gets out of control. Cockroaches tend to move from place to place, so it can be hard to pinpoint the source of the infestation. For this reason, it is essential to know the baby size of your cockroach pest.

Physical Features of Cockroaches

Cockroaches pass through several stages of growth—the first egg, many nymph stages, and eventually, the final adult. Baby cockroaches appear to be about the same size as the adult ones but slightly smaller. In addition, the color may vary a little. For instance, American cockroaches start with a black-purplish color. The body of these cockroaches has six legs – two pairs on each side of the body. The first set is short; the second set is longer. The extended groups have two claws on each side that are hard-shelled. All baby cockroaches have a hard-shelled body.

The antennae of the baby cockroaches are short, rounded, and appear to be almost like ears. The eyes of the baby roaches are large and oval; the front pair has dark circles around them. When the nymph reaches adulthood, its wings are longer than its body, and it cannot fly. Its color changes from orange-red to brownish red. The German cockroach has similar characteristics to the American baby cockroach; however, it does not have an outer shell. It is brownish, although sometimes they are yellow. The German cockroach eats other foods such as paper, vegetation, meat, and insects. Unlike the American baby cockroach, it cannot fly. It does not lay eggs.


Baby cockroaches do not reach the size of adult cockroaches. They do not get four inches in length. There are some rare breeds of baby cockroaches that can grow up to six inches. Some species grow to be seven inches in length. These baby roaches have gray bodies, tan heads, tan upper torso, and cream-colored upper legs. If you see a tiny baby German cockroach, do not get alarmed since these are harmless. There are only about 20 different species of this cockroach. Some breeds are more common than others.

Baby Cockroach Sizes

Most baby roaches reach the size of one-eighth of an inch. Their color is similar to that of the Eastern Coccineus. These are reddish-brown, with occasional white dots on their undersides. They have wings, which are full of fine hair, as well as short, stout wings. Most baby German cockroaches live from two to ten weeks after infestation. In cases where the infestation is still at its early stages, these babies may stay longer. They grow and mature at an average rate of about half an inch each month. Sometimes these babies are even more significant.


When dealing with baby cockroaches, it is essential to note that they tend to bite. However, they rarely leave any evidence of any damage – unless, of course, you catch them eating their feces. Their bites can be relatively painful and are often accompanied by a severe itching sensation. The skin can become severely inflamed as well. This is a common symptom for all types of bed bugs.

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