Argentine Ants

Argentine ants feeding on a food droplet
Argentine ants trailing on structure

The Argentine ant, Linepithema humile (Mayr) — formerly named Iridomyrmex humilis – is one of the more troublesome ants in the United States. Argentine ants are mainly a nuisance to people because they are often found indoors, forming wide, noticeable …

Tawny (Rasberry) Crazy Ants


Tawny (Rasberry) Crazy Ant, Nylanderia fulva (Mayr)

drawing of a tawny crazy ant

Tawny crazy ants (Figures 1-2) are fast becoming an economic, ecological and nuisance pest in the southern United States.  This ant, also known as the Caribbean crazy ant, hairy crazy ant and Rasberry …

2018 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 invasive ants, landscape pests, and house

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