''Chrysotoxum fasciolatum'' is a species of

holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical reg ...

hoverfly Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the l ...

. The adults are strong mimics of wasps. Larvae of this genera, when known, are aphid predators.

Distribution

North America, Asia and Europe

Description

For terminology se
Speight key to genera and glossary
The second antennal joint is longer than broad, and the third joint is two and a half to three times as long as the other two combined. Pteropleura with black pile.The lateral margins of tergites two to five alternating black and yellow, with arcuate abdominal bands interrupted and broader, less arcuate abdominal fasciae, with the front edge of the interrupted fasciae being almost parallel with the anterior margins of the segments. The wing microtrichia is well developed, and the wing vein R₄₊₅ is clearly dipped into cell r₄₊₅. There is no yellow spot above the fore coxa.

References

Insects described in 1776 Diptera of Europe Diptera of North America Hoverflies of North America Syrphinae {{Syrphidae-stub