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Jerusalem Crickets, Sand Crickets or "Potato Bugs"

- Different names for an "alien-looking" bug -

Summary: Jerusalem crickets are large insects that occur in dry, desert-like climates. They are harmless but may startle the unwary gardener.

Jack DeAngelis, PhD
OSU Ext. Entomologist (ret.)

Jerusalem crickets ([picture of Jerusalem cricket], aka sand crickets or potato bugs) are truly bizarre looking insects. People sometimes think they have uncovered an alien species the first time they encounter one.

The large shiny head and scorpion-like abdomen immediately suggest that this creature is dangerous. It is not. Jerusalem crickets can't sting and are non-poisonous. However, like any large insect, up to 2" in this case, they can bite.

Like other crickets and grasshoppers, Jerusalem crickets feed on plant material but are not usually present in numbers that would cause damage to garden plants. They live mostly underground, or under rocks, and may wander into outbuildings looking for shade and water. These crickets are actually common throughout the western US and other dry, semi-arid climates worldwide. No control is necessary.

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Identification guides, reference and gardening books, etc.

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Jack DeAngelis, Ph.D.

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