onion bulb fly

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Eumerus strigatus, the onion bulb fly, is a fairly common species of syrphid fly observed across Europe. Also found in north-central North America and other scattered locations as an introduced species from infested bulbs. Syrphid flies are also known as hover flies or flower flies because the adults are frequently found hovering around flowers from which they feed on nectar and pollen.

Gladiolus es un género de plantas perennes y bulbosas perteneciente a la familia Iridaceae. El género se distribuye en el área mediterránea europea, Asia, África tropical y Sudáfrica. No obstante, el centro de diversificación del género es la provincia del Cabo, en Sudáfrica, donde se ha hallado el mayor número de especies.