About Dilophus orbatus (Say, 1823)
Dilophus orbatus (Say, 1823) is a species of March fly that belongs to the family Bibionidae. This species displays clear sexual dimorphism across three distinct traits. The first is size: females of the species are longer, while males are shorter. The second is wing characteristics: female wings are black and longer, while male wings are transparent. The third is eye characteristics: male eyes are far larger, almost appear conjoined, and take up most of the facial area, while females have much smaller eyes.