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.
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- June Bugs
- Japanese Beetles
- Jumping Spiders
- Jerusalem Crickets
- Joro Spiders
- Jacaranda Aphids
- Jackfruit Fruit Flies
- Jamaican Fruit Bats
- Jumping Bristletails
- Japanese Cockroaches
- Jewel Beetles
- Jassid Leafhoppers
- Java Rice Beetles
- Juniper Scale
- Japanese Honey Bees
- Jade Plant Mealybugs
- Javelinas
- Jays
- Jungle Ants
- Jungle Spiders
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