Eristalini

Eristalini is a tribe of hoverflies (family Syrphidae) within the subfamily Eristalinae. The group comprises several genera and is noted for a variety of forms, often with robust bodies and a tendency toward bee or wasp mimicry. Taxonomic work on Eristalini has evolved with advances in both morphology and molecular studies, leading to changes in how genera and species are arranged within the tribe.

Adults of Eristalini are mainly diurnal flower visitors. They feed on nectar and pollen and are common in meadows, woodland edges, and other habitats where flowers are abundant. Through their feeding and movement among flowers, they contribute to pollination, though their specific ecological roles vary by species.

Larvae in this tribe are diverse. A prominent group within Eristalini includes species with aquatic or semi-aquatic larvae, such as rat-tailed maggots seen in some Eristalis species. Other Eristalini larvae are saprophagous, living in moist decaying organic matter or in damp substrates. This range of larval ecologies reflects the broad ecological niches occupied by the tribe.

Notable members include the genus Eristalis, whose members are commonly known as drone flies, with Eristalis tenax being particularly well known. The tribe also contains other genera that contribute to the diversity of hoverflies in various regions.

Distribution is cosmopolitan, with Eristalini species found worldwide. They are especially diverse in temperate regions and occupy a wide array of habitats from urban to rural landscapes.