Pests Beginning with J

This index features various insects, arachnids, and animals commonly considered pests, whose common names begin with the letter J. Click on a pest name to view detailed identification and control information.

A detailed list and link to more information on them is at bottom of the page

Household & Structural Pests (J)

Jumping Spiders (Nuisance): Small, highly visual spiders that may enter homes but are beneficial predators; generally not a threat.

Garden & Agricultural Pests (J)

Japanese Beetles: Highly destructive invasive pests that feed on the foliage of over 300 plant species in adult form, and whose grubs destroy turf.
June Bugs (June Beetles): Adult beetles that are nocturnal fliers; their larvae (white grubs) are common lawn pests.

Other Pests (J)

Jack Rabbits (Nuisance): Large hares that can cause damage to young trees and plants in rural and arid areas.

Quick Tip: Managing Japanese Beetles often requires a two-pronged approach: treating the lawn for grubs and using targeted sprays or traps for the adults.