Pest Guides

Lesser Cockroach

Ectobius panzeri


Lesser Cockroach

  • Males are 6–8mm in length, whereas females are 5–7mm.
  • The Lesser Cockroach is pale to dark brown, with dark brown or black lages. Their tegmina (leathery outer wings) are pale yellow-brown with dark speckles.


  • The egg cases of the Lesser Cockroach are known as oothecae, and are produced and carried by the female for one or two days between January and April.
  • They over winter on the ground and the nymphs hatch in the spring.
  • The nymphs hibernate during the late stages of development to become adult in December –January.
  • The adults die between April and May.


  • Adult Lesser cockroaches are not easy to find.
  • These cockroaches have a preference for coastal and sandy plains.
  • The males only fly in warm weather.