Rabbit Trail: Blueflies

Estimated Time: 5 minutes

In Book the Second, Chapter 3, Dickens writes, "a buzz arose in the court as if a cloud of great blue-flies were swarming about the prisoner..."

What are blue-flies?

Blow fly | insect

Blow fly, (family Calliphoridae), any member in a family of insects in the fly order, Diptera, that are metallic blue, green, or black in colour and are noisy in flight. With an average size of 8-10 mm (0.3-0.4 inch), they are slightly larger than houseflies but resemble them in habits.

What is Dickens trying to say with the use of the "blue-flies" in this chapter?