Pharaoh Ant vs Black Arches

Side-by-side species comparison

Attribute Pharaoh Ant Black Arches
Scientific Name Monomorium pharaonis Lymantria monacha
Order Hymenoptera Lepidoptera
Family Formicidae Erebidae
Size 1.5-2 mm 40-55 mm wingspan
Habitat Indoors Forests
Diet Omnivores Omnivores
Regions Worldwide (indoors) Europe, temperate Asia, Japan
Conservation Not Evaluated Least Concern

Pharaoh Ant

A tiny tropical ant that has become a major indoor pest in heated buildings worldwide. Colonies reproduce by budding, making them extremely difficult to eradicate.

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Did You Know?

They are a serious pest in hospitals because they can transmit pathogens by entering IV lines, wounds, and sterile packaging.

Black Arches

A striking moth with white wings boldly marked with black zigzag lines and a pink-flushed abdomen. It can occasionally erupt in huge outbreaks that defoliate conifer forests.

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Did You Know?

During outbreaks in central Europe, caterpillar frass falling from trees sounds like rainfall.