Pests Beginning with H

This index features various insects, arachnids, and animals commonly considered pests, whose common names begin with the letter H. 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 (H)

House Flies: The most common fly found indoors, known for carrying and transmitting disease-causing pathogens.
Hobo Spider: A funnel-web spider often mistaken for other brown spiders, known to bite defensively.
Hornets (European Hornet, Bald-Faced Hornet): Large, aggressive social wasps that build large paper nests in trees or wall voids.

Garden & Agricultural Pests (H)

Harvester Ants: Large ants that forage for seeds and create large, bare mounds, disrupting turf and gardens.
Hornworms (Tomato/Tobacco): Large, destructive caterpillars identified by a “horn” on their rear end, famous for defoliating tomato and tobacco plants.

Rodents & Wildlife Pests (H)

House Mice: The most common species of rodent pest found globally, infesting homes and spreading disease.

Quick Tip: To control House Mice, focus on exclusion (sealing entry points) and using snap traps for fast, effective removal.