Insects diurnal

Common Scarlet

Axiocerses harpax

A dazzling flash of red in the African sun, the Common Scarlet is a feisty, territorial butterfly that brings vibrant color to backyard woodlands. Known for its brilliant wings and silver-spotted underside, this tiny gem is a master of the savanna's edge.

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Quick Identification

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Size

Wingspan of 24–30 mm (0.94–1.18 inches)

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Colors

Brilliant scarlet to orange-red upperside with broad black borders; underside is a mottled reddish-brown with small silver-centered spots

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Key Features

Vivid scarlet-red upperside wings with thick black margins
Two small, delicate tails on each hindwing
Underside speckled with tiny, silver-white metallic spots
Short, jerky, and very fast flight pattern

When You’ll See Them

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Activity pattern diurnal

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Peak hours 10:00 AM – 3:00 PM

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Season Year-round, with peak abundance from October to May

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Diet Adults feed on floral nectar from various plants; larvae specialize on the foliage of Acacia and Albizia species.

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Habitat Savanna, open woodlands, forest margins, and suburban gardens with indigenous host plants.

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Behavior

The Common Scarlet is a spirited and territorial butterfly often found in the savannas and woodland edges of Sub-Saharan Africa. Males are particularly well-known for their 'perching' behavior, where they claim a specific sunlit leaf or twig as their lookout. From this vantage point, they will aggressively dart out to chase away rival males or any other insects that venture too close to their territory.

These butterflies have a fascinating symbiotic relationship with ants, a trait common in the Lycaenidae family. The larvae (caterpillars) are often attended by ants, which protect them from predators in exchange for sugary secretions. Adults spend a significant portion of their morning basking in the sun with their wings spread wide to absorb heat before beginning their active foraging and territorial patrols.

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Camera Tips

To successfully capture the Common Scarlet on an AI-powered backyard camera, you need to think like a territorial male. These butterflies love 'sentinel posts'—branches or leaves that sit roughly 1 to 2 meters (3-6 feet) off the ground and receive direct, unobstructed sunlight. Mount your camera on a stable tripod or fence post facing one of these sunny perches. Because of their small size, ensuring your camera is positioned within its minimum focal distance (often 12-18 inches for specialized nature cams) is crucial for a sharp, identifiable image.

Using a 'puddling station' is one of the most effective lures for this species. Find a flat tray, fill it with coarse sand, and keep it damp with a mixture of water and a tiny pinch of sea salt or manure. Place this in a bright, sunny spot within the camera's field of view. The Common Scarlet, like many Lycaenids, is attracted to the minerals found in damp soil. This setup encourages them to stay still for several minutes, providing the AI with ample time to trigger and capture high-quality video or stills.

Because these butterflies are exceptionally fast fliers, standard PIR (motion) sensors might struggle. If your camera settings allow, increase the motion sensitivity to 'High' and set the recording mode to 'Burst' or a high-frame-rate video. This increases the chances of catching the moment they flash their brilliant scarlet upperside, which is the most striking feature for identification. Avoid placing the camera where long grass or thin twigs will blow in the wind, as the constant movement will create false triggers and drain your battery.

Seasonally, you will have the most luck during the warmer months when the sun is at its peak. If you are monitoring a suburban garden, focus your camera near the edges of the property where wilder vegetation meets the manicured lawn. The Common Scarlet prefers these transition zones. If you can identify an Acacia or Albizia tree nearby, aim your camera at the flowering parts of the canopy or the lower, sun-drenched outer branches where they are most likely to congregate.

Similar Species

Species that look similar or are commonly confused with Common Scarlet.

Eastern Scarlet

Very similar upperside, but the Eastern Scarlet typically has a more heavily spotted underside and prefers wetter, coastal forest habitats.

Saffron Sapphire

While also orange-red, it lacks the intense scarlet depth of A. harpax and features different blue-tinged markings on the underside.

Frequently Asked Questions

They are most active during the warmest parts of the day, typically from mid-morning (10:00 AM) to mid-afternoon (3:00 PM), as they require the sun's heat to power their fast, energetic flight.

The best way to attract them is by planting indigenous host trees like Acacia or Albizia for their larvae, and providing a 'puddling' spot—a patch of damp, mineral-rich sand in a sunny area.

As adults, they drink nectar from a variety of wildflowers. As caterpillars, they are specialists that feed exclusively on the leaves of trees in the Fabaceae family, particularly Acacia.

Yes, they are frequently found in suburban gardens across Sub-Saharan Africa, provided there are suitable host plants nearby and a lack of heavy pesticide use.

Look for the combination of brilliant scarlet uppersides and the distinctive reddish-brown underside with silver spots. Its small size and the presence of tiny hindwing tails are also key indicators.

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