Semaphore Fly vs Tropical Giant Whirligig Beetle
Side-by-side species comparison
| Attribute | Semaphore Fly | Tropical Giant Whirligig Beetle |
|---|---|---|
| Scientific Name | Poecilobothrus nobilitatus | Dineutus indicus |
| Order | Diptera | Coleoptera |
| Family | Dolichopodidae | Gyrinidae |
| Size | 5-7 mm | 10-15 mm |
| Habitat | Gardens | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Indian Subcontinent, Southeast Asia |
| Conservation | Least Concern | Least Concern |
Semaphore Fly
A tiny metallic green fly where males have conspicuous white-tipped wings used in semaphore-like courtship displays. It is extremely common around garden ponds and puddles.
Did You Know?
Males stand on mud and wave their white-tipped wings like semaphore flags to attract females watching nearby.
Tropical Giant Whirligig Beetle
A large whirligig beetle found on the surfaces of tropical ponds and slow rivers across South Asia. It forms impressive swirling aggregations.
Did You Know?
Aggregations of thousands of individuals create visible ripple patterns on still water surfaces.