Grain Booklouse vs American Cockroach

Side-by-side species comparison

Attribute Grain Booklouse American Cockroach
Scientific Name Liposcelis bostrychophila Periplaneta americana
Order Psocoptera Blattodea
Family Liposcelididae Blattidae
Size 0.7-1.2 mm 35-53 mm
Habitat Gardens Gardens
Diet Fungus Feeders Omnivores
Regions Worldwide Worldwide
Conservation Least Concern Least Concern

Grain Booklouse

A tiny wingless booklouse that is one of the most common stored-product pests worldwide. It thrives in warm humid environments with starchy materials.

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Did You Know?

It reproduces by parthenogenesis, meaning populations consist entirely of females.

American Cockroach

Despite its name, native to Africa. One of the largest common cockroaches. Can run at 5.4 km/h — proportionally, one of the fastest land insects. Can survive weeks without its head.

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Did You Know?

A cockroach can live for a week without its head — it breathes through spiracles on its body and only dies because it cannot drink water.