Soldier Fly – Sargus decorus
Family Stratiomyidae. Live adult female fly photographed in the wild at Marienville, Pennsylvania, USA.
Flies in the family Stratiomyidae are commonly called soldier flies (after Greek stratiotes, soldier, referring to the abdominal markings resembling military uniform hash marks). Stratiomyids range worldwide on every continent, save Antarctica, in 400 genera containing ~1500 species.
The ecological roles of Stratiomyidae flies are diverse and crucial to ecosystem functioning. Larvae of many species are primarily associated with decomposing organic matter, contributing to nutrient recycling and decomposition processes. Some larvae are aquatic, occupying freshwater habitats, while others inhabit terrestrial substrates like leaf litter, rotting wood, or dung.
Adults are typically active during the day and are frequently observed feeding on nectar, pollen, or other plant exudates. Certain species exhibit complex courtship behaviors and mating rituals, which can involve sound production, wing displays, or other visual cues.
Reference: Bugguide.net, Sargus decorus female
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