Pocota

Members of this genus can be distinguished from other syrphid bumblebee mimics by two unique features: a disproportionately small head (approximately half the width of the thorax) and prominent bright yellow hairs on the thorax and abdomen. Adults produce a distinctively loud buzz and exhibit a characteristic defensive behavior of repeatedly lifting the hind leg when disturbed.

Wooded areas rich in dead and decaying trees. Larvae specifically occupy elevated rot holes in beech and poplar trees.

Europe. UK records are predominantly from southern England, with northernmost occurrences in North Yorkshire and County Durham. Additional records from Denmark, Norway, and Sweden.

Adults have been recorded from April to August, with peak abundance in mid to late May.

Larvae are dark in color and develop in elevated rot holes of beech and poplar trees. Adult phenology spans April to August with a mid-to-late May peak.

Adults exhibit acoustic and behavioral mimicry of bumblebees, producing a loud buzz and repeatedly lifting the hind leg when disturbed. Flower visitation appears occasional, with observations on umbellifers, hawthorn, and apple trees during late afternoon and early evening.

• Other Syrphid bumblebee mimicsPocota species differ in having a disproportionately small head (~half thorax width) and prominent bright yellow hairs on thorax and abdomen, versus the more proportional head and different hair patterns of other mimics.

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• The genome sequence of a hoverfly, Pocota personata (Harris, 1780).