House crickets belong to:
Class: Insecta
Order: Orthoptera
Sub Order: Grylloptera or Enisfera
Family: Grillidae
Genus: Acheta
Species: domesticus

House crickets are closely related to the Grasshoppers and locusts, and like them they have the hind legs which are modified for jumping ( In crickets, the tympanum (ear) is located on the tibia of the hind legs). The adults are about 2 cm long, and pale brown with a black pattern on the head and thorax. They have two pairs of wings of which only the back pair are for flying. At one time house crickets were associated with bakeries, but this is no longer so. Nowadays they are more likely to be found in warm ducts and in paneling behind heating installations, quite frequently in breweries.

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