House Cricket: Acheta domesticus
Appearance: 3/4 to 1 inch long, light yellowish-brown, with three darker brown bands on the head.
Habits: Nocturnal; live outdoors, but may be found indoors in warm areas, particularly the kitchen, basement, fireplace, or in cracks; make a distinctive chirping sound.
Diet: Eat or drink almost anything that is available, especially crumbs and food scraps.
Reproduction: Eggs deposited singly in crevices and behind baseboards; 40 to 170 eggs laid at one stage; egg stage lasts eight to 12 weeks.
Other Information: May bite when captured.

Field Cricket: Genus Gryllus
Appearance: 1/2 to 1 - 1/4 inches long; black.
Habits: Found in pastures, meadows, lawns, occasionally indoors.
Diet: Eat almost anything but are partial to field crops, especially alfalfa, wheat, oats, rye; will also feed on textiles of cotton, linen, wool and silk.
Reproduction: Usually one generation per year, generally hatch in May, become adults in July and August, mate, then die in September.
Other Information: Occasionally break out in massive numbers, with swarms covering many square miles.

Camel Cricket: Tachycines asynamorous
Appearance: Light tan to dark brown; 1/2 to 1 - 1/2 inches long; humpbacked appearance.
Habits: Found in cool, damp areas, such as under logs or stones, and in crawl spaces, basements and attics; nocturnal.
Diet: Will eat just about anything; they have been known to feed on clothes and lace curtains.
Reproduction: Females lay eggs in spring, which hatch around April; there is only one generation per year.
Other Information: Unlike other crickets, they do not chirp; they become immobile in the presence of strong light.