Margined Calligrapher

Toxomerus marginatus

Their name 'Calligrapher' comes from the intricate, ink-like black markings on their yellow abdomens.

Scientific name: Toxomerus marginatus
Taxonomy: Animalia › Arthropoda › Insecta › Diptera › Syrphidae › Toxomerus
IUCN Red List status: Least Concern
Population trend: stable
Biome: grassland
Habitat: Meadows, gardens, agricultural fields, and forest edges.
Diet: Adults feed on pollen and nectar; larvae prey on aphids and thrips.
Range: North America, Central America
Size: 5 to 6 mm in length
Lifespan: 1 to 2 months as adults
Active: diurnal
Threats: Widespread pesticide use and loss of wildflower-rich grasslands.
Safe to approach?: Harmless. Margined Calligraphers mimic wasps to deter predators but lack any stinger or bite. They may land on your skin to drink salty sweat. Observe them closely without fear; no medical action is ever needed.

Toxomerus marginatus , is a common species of hoverfly. It is found in many parts of North America.

Photo: Jesse Rorabaugh, CC0, via iNaturalist