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Common Froghopper
Insects diurnal

Common Froghopper

Cercopis vulnerata

With its bold black-and-red 'racing livery,' the Common Froghopper is one of the most stylish insects in the backyard. Don't let their small size fool you—they are champion jumpers capable of incredible aerial feats.

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Quick Identification

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Size

9–11 mm (0.35–0.43 inches) in length

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Colors

Striking jet-black body and wings with three bold, bright red spots on each forewing

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Key Features

  • Bold red and black warning coloration
  • Tent-like wing position at rest
  • Enlarged, powerful hind legs built for jumping
  • Robust, shield-shaped thorax

When You’ll See Them

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Activity pattern diurnal
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Peak hours 10 AM - 4 PM
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Season May-July
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Diet Adults feed exclusively on plant sap (xylem) from a variety of trees, shrubs, and herbaceous plants like nettles and willow.
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Habitat Found in woodland edges, damp meadows, hedgerows, and suburban gardens with tall grass or shrubs.

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Behavior

The Common Froghopper (specifically the Black-and-Red variety) is a master of escape. While they spend much of their time calmly perched on plant stems, they are famous for their explosive jumping ability. When threatened, they use their powerful hind legs to catapult themselves many times their own body length into the air, often vanishing before a predator—or a camera—can react.

Unlike their nymph counterparts, which hide inside bubbles of 'cuckoo spit,' the adults rely on their vibrant colors to signal to birds that they are distasteful. They are solitary insects, though you may find several sharing a particularly sap-rich host plant. They do not bite or sting and are entirely harmless to humans, spending their short adult lives looking for mates and high-quality plant fluids.

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Camera Tips

Capturing high-quality images of the Common Froghopper requires a specialized approach because of their small size. Most standard backyard trail cameras have a minimum focus distance of several feet, which is too far for a 10mm insect. To get the best results, use an AI-powered camera with a macro lens or a 'close-up' adapter. Position the camera just 6 to 10 inches away from vertical plant stems, such as nettles, thistles, or young willow branches, which are their preferred perching spots.

Placement is everything. Look for south-facing garden edges where the morning sun hits the vegetation; these insects are cold-blooded and will often bask in the sun to warm up their flight muscles. Mount your camera on a steady stake or flexible arm to prevent wind from shaking the foliage out of the frame. If your camera has a 'small animal' or 'insect' sensitivity setting, turn it to the highest level, as the movement of a froghopper is subtle until they decide to jump.

To increase your chances of a sighting, create a 'macro station' by allowing a small patch of native weeds or tall grass to grow undisturbed. Since they aren't attracted to traditional baits, your lure is the habitat itself. If you are using a camera that records video, set it to a high frame rate (at least 60fps). This is the only way to effectively capture their lightning-fast leaps, which occur in a fraction of a second and are often missed by the human eye.

Similar Species

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

Black-and-red Froghopper (Cercopis sanguinolenta)

Very similar but features slightly different red patterns, specifically lacking the red spot at the very base of the wings.

Meadow Spittlebug

Much smaller and usually brown or mottled gray, lacking the bold red warning colors of the Cercopis genus.

Frequently Asked Questions

Common Froghopper are strictly diurnal, meaning they are active during the day. They are most visible during the warmest hours, typically between 10 AM and 4 PM, when they bask in the sun and move between plants to feed.
The best way to attract Common Froghopper is to provide their favorite host plants. Leave a patch of 'wild' garden with nettles, thistles, and tall grasses. Avoid using pesticides and provide a mix of sunny and shaded areas with woody shrubs like hawthorn or willow.
Common Froghopper feed on plant xylem, which is the fluid transported through the plant's vascular system. They use their straw-like mouthparts to pierce the stems of various herbaceous plants and shrubs to drink the nutrient-rich sap.
Yes, they are very common in suburban gardens, provided there is enough vegetation. They are often overlooked due to their size, but they thrive in hedgerows and overgrown garden corners across much of Europe and temperate Asia.
The Common Froghopper (Cercopis vulnerata) is best identified by the specific shape of its red markings. It has three spots: one near the base, one in the middle, and a curved 'kidney-shaped' spot at the tip of the wing. It looks very similar to Cercopis sanguinolenta, which lacks the red at the very base of the wing.

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