Monomorium ergatogyna

Queen and workers. Mt. Tamalpais, Marin Co., California, USA

Monomorium ergatogyna

Chiricahua Mountains, Arizona, USA

Monomorium ergatogyna

Monomorium ergatogyna worker ant showing the typical alarm response: gaster raised and waving about a droplet of venom on an extruded stinger. Grass Valley, California, USA

Monomorium ergatogyna

Empire Mine State Park, California, USA

Monomorium fieldi

One of Australia's more common soil-nesting ants is the small, unassuming Monomorium fieldi. Diamond Creek, Victoria, Australia.

Monomorium fieldi

Diamond Creek, Victoria, Australia.

Monomorium floricola

Monomorium floricola ranks among the most traveled of all ants. This diminutive species has spread with human commerce to nearly every lowland tropical region. Here, a worker tends to a mealybug in Panama. Isla Contadora, Panama

Monomorium floricola

Worker ants tending a mealybug. Isla Contadora, Panama

Monomorium floricola

Tiny Monomorium ants gather nectar from an Inga leaf cup. El Yunque, Puerto Rico.

Monomorium floricola

Among the most common arboreal ants in tropical gardens worldwide is Monomorium floricola, a tiny species that has travelled the world with commerce. This colony is nesting in a hollow twig. Armenia, Cayo District, Belize.

Monomorium minimum

Monomorium minimum, the little black ant. Glen O. Jones Lake, Illinois, USA

Monomorium & mealybugs

Ants tend to mealbugs on a Pavonia rock rose. Austin, Texas, USA.

Monomorium minimum

Colonies of the little black ant, Monomorium minimum, may have dozens of functional queens. High Falls State Park, Georgia, USA.

Monomorium minimum

A colony of little black ants, Monomorium minimum, with multiple queens. High Falls State Park, Georgia, USA.

Monomorium minimum

Queen ant in the nest. High Falls State Park, Georgia, USA.

Monomorium minimum

Ants often collect nectar from flowers, but they generally make poor pollinators compared to flying insects. This little black ant has picked up a few pollen grains as it vists a black foot daisy. Austin, Texas, USA.

Monomorium minimum

In theory, aphids attract ants for protection against predators and parasites. The effectiveness of the ant defense depends on a number of factors, including the ant species. Judging from the number of parasitized aphid mummies, these Monomorium appear to have done a terrible job. Austin, Texas, USA.

Monomorium minimum

Small black ants mate after a soaking summer rain. Note the mite on the back of the female, hitchhiking into a potential new host colony. Austin, Texas, USA.

Monomorium minimum

A young queen ant tries to forcibly detach the male she has mated with. Presumably, the male is attempting to stay in place to prevent her from mating with other males. Austin, Texas, USA.

Monomorium minimum

Monomorium minimum maintenance workers carry excavated soil from their nest. Sand Ridge State Forest, Illinois, USA

Monomorium minimum

Monomorium minimum workers at the nest entrance. Manhattan, Kansas, USA

Monomorium minimum

Urbana, Illinois, USA

Monomorium minimum

Brood nest. High Falls State Park, Georgia, USA.

Monomorium pharaonis

Portrait of the infamous pharaoh ant, one of the most persistent indoor ants in warmer regions worldwide. Icononzo, Tolima, Colombia