'Glossary' opens an
T.L. & B.L.
Eristalinus aeneus has a proportionately longer
abdomen which in males is a glossy bronze-black (without the dull black central area
found in E.sepulchralis). It has a black thorax, and hairs
only on the
upper surface of the eyes (rather than the lower surface as
T.R. & B.R.