Lyctus spp. (Lyctidae)

the powder-post beetles


Adults:

Lyctus spp.

Shiny brown to black beetles with striated elytra. Flattened and slender, from 3-16 mm in length.

 

 

 

 

 

 

 

 

Larvae:

Lyctus spp. larvae

Later instars are slightly curved, 5 mm in length, yellowish-white in colour.

 

 

 

 

 

Damage:

Lyctus Damage

Both adults and larvae mine in dried wood products. Circular exit holes and associated boring dust are usually the first signs of attack.

 

 

 

 

 

 



Principal Hosts:

Hardwood products made from Fraxinus, Quercus and Umbellana spp.

Economic Importance:

This is the most destructive family attacking wood products.

References and Links:

EAG: 536-538; FC: 275-276.