Appearance - Notorious for their world-wide distribution, German cockroaches are easily identifiable by 2 dark longitudinal stripes on their pronotum. Adults grow to approximately 12 – 15mm in length.


Females carry 35 – 40 eggs in an ootheca (egg case) until they are ready to hatch.
Hatch in 1 month.
Nymphs take between 6 weeks to 6 months to develop into adults.
Generally 3-4 generations per year.


Most commonly found indoors.
Prefers wet, humid conditions and are typically found in kitchens and bathrooms in homes and commercial properties.


The main concern humans face with German cockroach infestations is the risk of food contamination. Cockroaches notoriously congregate in garbage, mold, and other materials potentially hazardous to human health. The pests regularly inhabit kitchens and, due to eating many similar foods as humans, may spread illnesses through unattended foods. The foul odor produced by the insect is also known to change the taste of foods that have come in contact with German cockroaches. Gastroenteritis is cited as a common incident related to food contaminated by cockroaches. Other viruses and harmful bacteria may also be transmitted by the insects. Reported cases also exist of allergic reactions to cockroach shells and wastes left behind by the insect.

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german Cockroach (Blatella germanica)