Identify and Manage Indoor Insects

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Updated: June 16, 2021

Identifying Common Household Insect Pests

How to identify, prevent, and manage insects (bugs) commonly found indoors.
Indian meal moth
Updated: July 19, 2021

Ants - Indoor Insects

Carpenter ants, pharaoh ants, odorous house ants, acrobat ants, field ants, and pavement ants are some common ants that enter homes. Sanitation practices and baits can be used to control ants indoors.
odorous house ant
Updated: June 16, 2021

Rice and Granary Weevils

Rice weevils and granary weevils are beetles that may be found indoors in stored food products.
rice weevil
Updated: June 14, 2021

Silverfish and Firebrats

Silverfish and firebrats are found outdoors but indoors they can become pests because they feed on starchy substances as well as book bindings, dry foods, flour, bits of cloth, or paper.
small blue silverfish
Updated: June 14, 2021

Multicolored Asian Lady Beetle

Multicolored Asian lady beetles are common insects in and around homes and gardens in Maryland. In the fall they can be a nuisance in and around homes and buildings when they seek shelter for the winter.
three multicolored asian lady beetles
Updated: June 10, 2021

Flies Indoors

House flies are the most common fly found in and around homes.
house fly
Updated: April 9, 2021

Old House Borer

The old house borer is an insect which feeds primarily on softwood timber, primarily pine.
old house borer beetle
Updated: April 9, 2021

Powderpost Beetles

Two main groups of wood-boring beetles: the old house borer which primarily feeds on softwood timber, primarily pine, and a variety of powderpost beetles, which prefer hardwoods. Beetles that bore into dead wood in homes can cause structural damage if activity is left unchecked for long periods of time.
powderpost beetle
Updated: April 8, 2021

Crickets

Crickets found indoors are usually one of three kinds: camel crickets, house crickets, or field crickets.
house cricket
Updated: April 8, 2021

Cockroaches

There are five species of cockroaches that commonly infest homes and buildings in Maryland.
American cockroach sitting on a cracker