What's Eating Your Collection?

Adult

Size: 10mm

Shape: Rounded oval

Colour: Dark grey and black 

Antennae: Very short

Distinguishing features: 1 pair transparent wings, big eyes

Larvae are pests of: rotting material

Damage: Adult flies can cause spotting on objects. Not museum pests, but large numbers are signs of poor housekeeping

Adults eat: liquid

Often found on: Windowsills