Silken Fungus Beetle vs Japanese Deathwatch Beetle

Side-by-side species comparison

Attribute	Silken Fungus Beetle	Japanese Deathwatch Beetle
Scientific Name	Cryptophagus lycoperdi	Priobium flavicorne
Order	Coleoptera	Coleoptera
Family	Cryptophagidae	Ptinidae
Size	2-3 mm	4-7 mm
Habitat	Woodlands	Underground
Diet	Fungus Feeders	Wood Feeders
Regions	Europe	East Asia, Japan
Conservation	Least Concern	Least Concern

Silken Fungus Beetle

A tiny beetle found inside puffball fungi and in moldy grain stores. Covered in fine silky hairs. Part of a poorly-known beetle family that feeds on fungal spores and molds.

💡

Did You Know?

So tiny and hidden inside puffball fungi that it is almost never seen despite being common.

Japanese Deathwatch Beetle

A wood-boring beetle found in Japan that infests structural timber in traditional Japanese buildings. The larvae bore through seasoned wood, potentially weakening historical wooden structures.

💡

Did You Know?

These beetles tap their heads against wood to attract mates, creating a ticking sound that in Western folklore was associated with death watches in quiet rooms.