Eastern Calligrapher vs Old World Screwworm
Side-by-side species comparison
| Attribute | Eastern Calligrapher | Old World Screwworm |
|---|---|---|
| Scientific Name | Toxomerus geminatus | Chrysomya bezziana |
| Order | Diptera | Diptera |
| Family | Syrphidae | Calliphoridae |
| Size | 5-7 mm | 8-11 mm |
| Habitat | Woodlands | Forests |
| Diet | Nectar Feeders | Parasites |
| Regions | North America | Sub-Saharan Africa, South Asia, Southeast Asia |
| Conservation | Least Concern | Least Concern |
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.
Old World Screwworm
An obligate wound parasite of mammals found across Africa and Asia. Larvae invade wounds and feed on living tissue causing severe myiasis.
Did You Know?
Unlike the New World screwworm, no sterile insect program has yet successfully eradicated this species.