Degeeri Booklouse vs Frosted Pine Aphid

Side-by-side species comparison

Attribute Degeeri Booklouse Frosted Pine Aphid
Scientific Name Liposcelis decolor Cinara pilicornis
Order Psocoptera Hemiptera
Family Liposcelididae Aphididae
Size 0.7-1 mm 3-5 mm
Habitat Indoors Farmland
Diet Fungus Feeders Fungus Feeders
Regions Worldwide Europe, introduced to other temperate regions
Conservation Least Concern Least Concern

Degeeri Booklouse

A cosmopolitan booklouse commonly found in libraries, herbaria, and grain stores. It can cause significant damage to stored collections.

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Did You Know?

It can build up huge populations undetected due to its tiny size.

Frosted Pine Aphid

A large brown aphid covered in waxy powder that forms colonies on spruce twigs. It produces copious honeydew that supports sooty mold growth on needles.

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Did You Know?

Beekeepers value it because its honeydew production enables bees to make prized forest honey.