Ectobius lapponicus

• Body dark grey-brown except for dark male pronotum and female dark brown abdomen.
• Adult males measure 9 - 11mm
• Adult females measure 6 - 8mm
• Egg cases, known as oothecae, are produced and carried by the female for one or two days between June and September.
• The oothecae overwinter on the ground and the nymphs hatch in the spring.
• The nymphs under go diapause during the late stages of development to become adult in July.
• The adults die in September to October.
• The dusky cockroach is mainly ground-dwelling and favours scrub, grassland and woodland habitats.
• Males only fly in warm weather.