The German ones are small, narrow, and less dark. Cockroach Eggs The cause of swelling in a girl's jaw is determined to be cockroach eggs she ingested from eating a Taco Bell taco or licking envelopes. The Oriental cockroach oothecae are produced 1 day after mating and have a darker colour (black-brown).


American cockroach eggs are almost black. The female cockroach will often lay her eggs in secluded areas such as in cracks and crevices, or even inside a wall. The world's heaviest cockroach is the Australian giant burrowing cockroach Macropanesthia rhinoceros, which can reach 9 centimetres (3 1 ⁄ 2 in) in length and weigh more than 30 grams (1 oz). Oriental cockroach eggs. As immature cockroaches shed their skin, you can see old body shells around your home during infestations. Appearance: German cockroach oothecae are light brown or yellowish in color and have a ridged appearance. The body casings may be whole or include parts of a casing. They can crawl into the spaces around pipes like the area under a kitchen sink or in the bathroom. Cockroach eggs can be an indication of a roach infestation. The cockroach eggs size ranges from 5 to 13 mm, and they have a brown to dark color. Each egg sack typically contains around 40 eggs. Shed skin can be found along corners and edges of your walls. The total incubation period for Germa Cockroach eggs is around 28 days. After a cockroach molts, the exterior body will look white, until the cockroach has time to develop its darker coloring. Olgamir/Shutterstock.com. Cockroach allergens (such as skin and feces) ... German cockroach eggs. Most species of cockroach are about the size of a thumbnail, but several species are bigger. German cockroach eggs are easy to differentiate from American cockroach eggs. The presence of cockroach eggs is usually the sign of a bigger problem. Comparable in size is the Central American giant cockroach Blaberus giganteus. These characteristics refer to the cockroach egg case. Another way to prevent cockroach eggs is by buying insecticides that will actually disable female roaches from producing eggs in the first place, like insect growth regulators.