Robber Fly vs Eastern Calligrapher
Side-by-side species comparison
| Attribute | Robber Fly | Eastern Calligrapher |
|---|---|---|
| Scientific Name | Promachus rufipes | Toxomerus geminatus |
| Order | Diptera | Diptera |
| Family | Asilidae | Syrphidae |
| Size | 15-30 mm | 5-7 mm |
| Habitat | Meadows | Woodlands |
| Diet | Predators | Nectar Feeders |
| Regions | North America, Europe | North America |
| Conservation | Least Concern | Least Concern |
Robber Fly
Aggressive aerial predators that catch other insects in flight. Inject prey with neurotoxic saliva that paralyzes and liquefies internal organs for consumption.
Did You Know?
Robber flies are such efficient aerial predators that they have been recorded catching dragonflies, wasps, and even other robber flies in mid-air.
Eastern Calligrapher
A tiny hoverfly with intricate black calligraphic markings on a yellow abdomen. It is one of the most abundant flower flies in eastern North America.
Did You Know?
Despite its small size, it is one of the most effective aphid predators in North American gardens.