feeds slowly on the coastal thistle heads

Size
Length: 2–3 cm
Lifespan
1–2 years
Diet
Larvae feed on native and introduced grasses and herbs. Adults feed on nectar from flowers, particularly thistles, clover, and native Hebe. Adults are slow, conspicuous daytime fliers.
Habitat
Found in meadows, coastal dunes, and alpine grasslands. They are "clumsy" daytime fliers that are often found in large numbers on a single flowering plant, particularly thistles and clover, where they feed slowly and conspicuously.
Range
New Zealand - found throughout the North and South Islands in meadows, coastal dunes, and alpine grasslands. Most common in warmer, lowland areas with diverse wildflowers and grasses.
Endemism
Introduced
Main Threats
Habitat loss from intensive agriculture and urban development. Also threatened by pesticide use in gardens and farmland which kills adults and reduces their food sources.
Population
While we have native Zygaenids, several "Burnet" species are icons of the summer grasslands. They are famous for their slow flight and their "uniform" of red and black.
Conservation Status
Not Threatened
Human Risk
harmless
Handling Note
native burnet moth, day-flying species leave undisturbed
Conservation Note
Introduced moth; not subject to conservation assessment.
Te Ao Māori
The Burnet Moth represents the principle of "Chemical Confidence" and serves as a symbol of "Unyielding Presence" within the seasonal heritage of New Zealand. Known as the Red-Spotted Sentinels, they occupy a unique cultural niche as a vivid marker of high summer. A reliable, shimmering presence that signals the peak of the year’s vitality. They embody the idea that true security comes from within and that one’s outward appearance should be an honest reflection of one’s internal strength. Culturally, they remind us that the most colourful residents of our landscape are often the most formidable. Suggesting that the "laziness" of summer is often backed by the most serious of biological defenses. They are the slow-moving gems of the grass. Proving that true power is never in a hurry.
You notice its laziness. Navigating the summer meadows with a slow, deliberate flight that borders on "laziness," the Burnet Moth (family Zygaenidae) is the "tank" of the New Zealand grassland. This lack of urgency is a sign of "chemical confidence". Like their Glasswing cousins, Burnet moths are toxic. Synthesising cyanide-based compounds that make them highly unpalatable to birds. Their anatomy is a vivid display of "aposematism". Featuring bright red spots set against a metallic, blue-black background. A universal "Do Not Eat" sign that allows them to drift from flower to flower with supreme indifference to predators. This "unyielding presence" represents a state of being "defended by design". Where a heavy, slow-moving body is supported by a potent internal arsenal. As "gems of the grassland," Burnet Moths are a definitive sign of "abundance and warning" during the peak of the flowering season. Their life cycle is intrinsically linked to the health of the meadow. Where the larvae forage openly. Sequestering defensive chemicals from their host plants. They represent the idea that "internal strength" is the ultimate deterrent. A Burnet moth does not need to scuttle or hide because it understands it is the most formidable resident in the grass. This "chemical confidence" ensures their survival in the open sun. Turning a simple patch of flowering weeds into a high-stakes arena of evolutionary messaging. They are a bright, slow-moving reminder of the power of aposematic colour in the high summer of New Zealand. While currently classified as not threatened, Burnet Moths are essential pollinators and vital indicators of grassland biodiversity. Protecting these "red-spotted sentinels" is a matter of acknowledging the "formidable beauty" of our insect visitors. They serve as a primary educational tool for the forest’s young insectivores. Teaching them to respect the "sharp edge" of aposematic signals. To encounter a Burnet Moth as it pauses on a wildflower is to witness a survivor that has mastered the art of "chemical confidence". A creature that proves that when you carry your own armor on the inside, you can afford to move through the world with grace and ease.