Golden-haired Wood Fly

Blera nigra , the golden-haired wood fly, is a fairly common species of syrphid fly first officially described by Williston in 1887 Hoverflies get their name from the ability to remain nearly motionless while in flight The adults are also known as flower flies for they are commonly found around and on flowers from which they get both energy-giving nectar and protein rich pollen. The larvae are of the rat-tailed type feeding on exuding sap or in the rot holes of trees. Distribution This is a Nearctic species distributed in Northern North America including Alaska, and across Canada…

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Blera es un género de insecto sírfido. ​ La mayoría de las especies presentan una prominencia en el rostro. Es principalmente un género norteamericano, es también holártico y oriental.