Common Citronella Ant
Insects Active day and night

Common Citronella Ant

Lasius claviger

Meet the subterranean farmer of the insect world. Common Citronella Ants are famous for their brilliant golden color and a surprising lemony scent that serves as a secret weapon against predators.

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0 Habitats

Quick Identification

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Size

Workers: 3–4.5 mm (0.12–0.18 in); Queens: 7–9 mm (0.28–0.35 in)

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Colors

Workers are bright yellow to golden-orange; winged queens are dark reddish-brown to black

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Key Features

  • Distinct citronella or lemon-like scent when crushed
  • Bright yellow to golden body color in workers
  • Small, reduced compound eyes
  • Winged reproductives (alates) appear in late summer or fall
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When You’ll See Them

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Activity pattern Active day and night
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Peak hours Most visible 5 PM - 9 PM during fall swarming events
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Season August-October
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Diet Primarily feeds on honeydew produced by root-feeding aphids and mealybugs; occasionally scavenges small soil organisms.
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Habitat Moist soil in deciduous forests, forest edges, open woodlands, and well-established suburban gardens.

public Geographic range

Where Does the Common Citronella Ant Live?

Native to the North American continent, the Common Citronella Ant is widely distributed across the temperate regions of the United States and southern Canada. Its core population is most dense throughout the Eastern United States, extending from the Atlantic coast westward into the Great Plains and northward into Ontario and Quebec. These ants are particularly common in the suburban landscapes of the Northeast and Midwest, where they thrive in the rich, moist soils of mature yards and parks.

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2 Countries
7.5M km² Range
Least Concern Conservation
US United States
Marginal
CA Canada
Marginal
Elevation range
0 m1,000 m2,000 m4,000 m
Sea level – 1,800 m
eco
iNaturalist / Verified observation data
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Behavior

The Common Citronella Ant is a fascinating subterranean species that spends the vast majority of its life underground. They are best known for the defensive chemical they produce—citronellal—which gives them a distinct lemony or citronella-like odor when they are disturbed or crushed. Unlike many other common ants, they are rarely seen foraging on the surface, making their sudden appearance during mating swarms a notable event for backyard observers.

These ants are non-aggressive and do not possess a sting that is harmful to humans. They live in large colonies, often situated under large rocks, rotting logs, or near the foundations of homes. Their social structure revolves around a hidden world of mutualism; they do not hunt for food in the traditional sense, but instead act as subterranean farmers, tending to insects that live on the roots of plants.

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Camera Tips

Capturing the Common Citronella Ant on a backyard camera is all about timing, as they are subterranean for 99% of the year. The best opportunity occurs during 'nuptial flights' in late summer or early autumn. On warm, humid afternoons following a rain, look for hundreds of winged queens and smaller winged males emerging from cracks in the soil or along the edges of concrete slabs. Position your camera at ground level, focused on the exit hole, to capture the chaotic energy of the swarm taking flight.

Because these ants are quite small, a macro lens or a camera with a very close minimum focal distance is necessary to get clear shots. If using a trail camera without macro capabilities, try to place the unit as close to the ground as possible, using a stone or brick to prop the lens at a slight downward angle. Setting your camera to high-speed burst mode or high-frame-rate video is essential, as the winged reproductives move quickly and the swarm can dissipate within an hour.

To find where they might emerge, check under large flat rocks or patio stones in your garden. If you see yellow workers scurrying when you tilt the rock, that is a prime location for a camera setup. While these ants aren't typically attracted to sugar baits used for other species, they may investigate areas of high moisture. Ensure your camera is set to a high sensitivity to trigger on the movement of the swarm, and use a diffused external light source if filming during the evening to avoid overexposing their reflective, golden bodies.

Frequently Asked Questions

While the colony is active 24/7 underground, you are most likely to see them above ground during late afternoon and early evening (roughly 5 PM to 9 PM) during their annual mating swarms in the fall.
These ants are naturally attracted to moist, undisturbed soil. Providing 'ant hotels' in the form of large, flat landscaping rocks or allowing leaf litter to accumulate in forest edges will encourage them to nest in your yard.
They have a specialized diet consisting almost entirely of honeydew. They 'milk' this sugary liquid from underground aphids and mealybugs that live on the roots of your garden plants.
Yes, they are very common in suburban environments. They are often found nesting near home foundations or under sidewalks, though they are frequently mistaken for termites during their winged swarming phase.
The Common Citronella Ant (Lasius claviger) has shorter hairs on its body and the segments of its antennae are shorter and more 'club-like' compared to the Larger Yellow Ant (Lasius interjectus).

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