Mediterranean Flour Moth vs Neotropical Blue Hairstreak

Side-by-side species comparison

Attribute Mediterranean Flour Moth Neotropical Blue Hairstreak
Scientific Name Ephestia kuehniella Pseudolycaena marsyas
Order Lepidoptera Lepidoptera
Family Pyralidae Lycaenidae
Size 10-14 mm body; 20-25 mm wingspan 35-45 mm wingspan
Habitat Indoors Rivers & Streams
Diet Seed Feeders Nectar Feeders
Regions Worldwide Brazil, Peru, Colombia, Ecuador, Bolivia
Conservation Least Concern Least Concern

Mediterranean Flour Moth

A major pest of flour mills that produces dense silken webbing that clogs milling machinery. It is pale grey with zigzag markings on the forewings.

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Did You Know?

It was the first insect used to demonstrate biological pest control with parasitoid wasps in the early 1900s.

Neotropical Blue Hairstreak

A brilliant iridescent blue hairstreak butterfly with delicate tail streamers on the hind wings. Its underside is pale grey with fine dark lines.

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Did You Know?

Its false head pattern on the hind wing tips, complete with fake antennae, tricks predators into attacking the wrong end.