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Sphaerophoria rueppellii is a highly effective, native Mediterranean hoverfly used as a commercial biocontrol agent against aphid pests. Known as the common globetail, these predatory larvae consume aphids, thrips, and whiteflies, while adults are crucial pollinators. They are favored for greenhouse IPM (Integrated Pest Management) and sustainable agriculture.
Key Biological and Functional Facts:
Appearance: A small, slender hoverfly with a characteristic bulbous abdomen in males, which often has yellow-black markings resembling a wasp
.Biological Control: Larvae are voracious predators that feed on numerous aphid species, plus thrips, whiteflies, and spider mites.Optimal Conditions: They thrive in warm climates (active up to 30°C).Life Cycle: At \(25^{\circ}C\) and \(90\%\) relative humidity, their development from egg to adult takes approximately 17 days.
Habitat: Commonly found in open, sparse vegetation such as field edges, marshes, and agricultural crops, particularly in Southern Europe and North Africa.
Adult Diet: Adults feed on nectar and pollen, which is necessary for the maturation of their ovaries.Flight Period: Generally active from April to October.