House cricket

Description. The house cricket is typically gray or brownish in color, growing to 16–21 millimetres (0.63–0.83 in) in length. Males and females look similar, but females will have an oviposior emerging from the rear, around 12 millimetres (0.47 in) long. The ovipositor is brown-black, and is surrounded by two appendages. On females, the cerci are also more prominent.
Life cycle. House crickets take two to three months to complete their life cycle at 26 to 32 C (79 to 90 F). They have no special overwintering stage, but can survive cold weather in and around buildings, and in dumps where heat from fermentation may sustain them. Eggs are deposited in whatever damp substrate is available. Juveniles resemble the adults except for being smaller and wingless.