Jerusalem Crickets

Stenopelmatus Fuscus
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What do Jerusalem crickets look like?

jerusalem cricket in tucson arizona

Jerusalem crickets grow up to two-inches long and are most recognized for their large, bald, shiny and curved brown heads and their two wide set dark eyes.  They have long brown antennae with abdomens that are black and brown striped.

Life cycle of Jerusalem crickets

Gradual metamorphosis

Mating will occur in the spring.  The female will eat the male after they have mated.  She will lay her eggs in small burrows she makes in the soil.  Nymphs and adults are wingless and slow moving.  Development will occur in one year.

Habits of Jerusalem crickets

  • Diet: Mainly feed on dead insects, but also feed on root or tubers.
  • Activity: Mainly at night but can be early morning or evening
  • Preferred Climate: Arid climates.
  • Defense: Nest about six inches under the soil (typical moist, loose soil.)
  • Cautions: Larger sized cricket which can worry people, but they are not a concern.
  • Home Invasion:  Infrequently enter homes. Usually, they reside in small numbers or singly.

Are Jerusalem crickets dangerous?

Though their size makes them intimidating, these crickets in Arizona are harmless

Where do Jerusalem crickets nest?

This type of cricket lives mostly underground. If they do reach the surface, they may harbor under rocks or in open, grassy pastures. It is not uncommon to find them in manure and other damp places. 

Helpful hints related to Jerusalem crickets

Though they remain at least six inches below ground level, they will hide under items sitting on the soil. Remove those items to discourage Jerusalem crickets. 

Interesting facts about Jerusalem crickets

Jerusalem crickets have powerful jaws and if provoked, will bite. They are not poisonous. 

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