description Sunflower moth Overview
The sunflower moth, Homoeosoma electellum, is a small pyralid moth native to North America whose caterpillars develop in sunflower flower heads. Larvae can web together parts of the head, feed on florets and developing seeds, and contaminate or weaken the crop, which makes the species an agricultural pest where sunflowers are grown. The economically important stage is the larva, because the feeding takes place inside the flower head rather than on the surrounding foliage.
help Sunflower moth FAQ
What is the scientific name of the sunflower moth?
The sunflower moth is Homoeosoma electellum. It is a small pyralid moth native to North America.
Where do sunflower moth larvae develop?
The larvae develop inside sunflower flower heads. They can web together parts of the head, feed on florets and developing seeds, and leave contamination behind.
How does the sunflower moth damage sunflower crops?
Its caterpillars feed on florets and developing seeds inside the flower head. Webbing, feeding injury, and contamination can weaken the head and reduce useful seed production.
Is the sunflower moth found only on cultivated sunflowers?
No. Homoeosoma electellum is associated with sunflowers and related plants, including wild North American hosts. Cultivated sunflower fields are important because larval feeding can directly affect a harvested crop.
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