Odorous House Ants

close up of an odorous house antThe odorous house ant, Tapinoma sessile (Say), is considered a pest when it enters structures searching for food, water or nest sites. It cannot sting because it lacks a sting and will likely only bite if you stick a hand …

2019 All Bugs Good and Bad Webinar Series

Please join us for this webinar series for information you can use about good and bad insects.  We used your feedback to bring topics that you suggested.  We will discuss troublesome insects such as fire ants and landscape pests as …

About Ant Pests Community

The Ant Pest Community of Practice is a virtual community lead by Extension professionals from across the country. It includes members from land-grant universities and other agencies, including USDA APHIS, USDA ARS, and state and county governments.

The goal of

Little Fire Ants

picture of little fire antThe little fire ant, Wasmannia auropunctata (Roger) or LFA, is a very small invasive ant species originally from south America.  Over the past century or so, they have been spread by human commerce to Florida and Hawai`i, Israel, west Africa, …

Acrobat Ants

image of acrobat ant showing identifying characteristics

Acrobat ants (Crematogaster spp.) are native insects that become pests because of their tendency to nest in moist, decaying wood.  Many times this decaying wood is in a tree, where the ants can take over chambers of termites and

Ghost Ants


        The ghost image of ghost ant, Tapinoma melanocephalumant, Tapinoma melanocephalum (Fabricius), is a tropical species. This ant species is so widely distributed by commerce that it is impossible to determine its exact origin.  It is believed to be of African or Oriental origin. Colonies …

The Dark Rover Ant and Other Rover Ants

Dark rover ant worker, Brachymyrmex patagonicus.The dark rover ant, Brachymyrmex patagonicus, is a relatively new ant pest in the U.S. It is one of approximately 38 known species worldwide. There are about 10 species of rover ants in this country. The dark rover ant …

Little Black Ant

Common ant fauna observed at baits when sampling for fire ants.

The little black ant, Monomorium minimum (Buckley), is aptly named. Workers are small (1.5 – 2 mm), shiny, and dark brown to jet black in color. They have 12 segmented antennae with the last 3 segments forming a club. Queens …