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Hover Fly on Bush Daisy Flower
Eristalinus aeneus
37.4895, -122.23
Field Notes
Description:
Eristalinus aeneus resembles a dark, greenish, metallic blow fly (bottle fly), but it has stripes on the thorax. Eyes covered with numerous, small, dark spots that tend to run together on upper part of eyes.
bugguide.net
Habitat:
Landscape area at County of San Mateo Civic Center, Redwood City, CA.
Notes:
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.
Wikipedia
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