Spilomyia Sayi
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Spilomyia sayi is a common species of North American hoverfly. It is a wasp mimic. Adults are 12 16 millimetres (0.47 0.63 in) long and are seen from June to October in the northern part of their range. Males engage in hilltopping, where they find high ground to await females. Larvae are found in decaying heartwood of deciduous trees. Hoverflies, sometimes called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae…mehr

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Produktbeschreibung
Spilomyia sayi is a common species of North American hoverfly. It is a wasp mimic. Adults are 12 16 millimetres (0.47 0.63 in) long and are seen from June to October in the northern part of their range. Males engage in hilltopping, where they find high ground to await females. Larvae are found in decaying heartwood of deciduous trees. Hoverflies, sometimes called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae (maggots) eat a wide range of foods. In some species, the larvae are saprotrophs, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores and prey on aphids, thrips, and other plant-sucking insects. The hoverfly's colouring can be black and gold or dark brown and pale yellow.