Black Earwig vs South American Grain Stem Sawfly

Side-by-side species comparison

Attribute Black Earwig South American Grain Stem Sawfly
Scientific Name Chelisoches morio Cephus fumipennis
Order Dermaptera Hymenoptera
Family Chelisochidae Cephidae
Size 15-20 mm 7-10 mm
Habitat Farmland Farmland
Diet Fruit Feeders Seed Feeders
Regions Asia, Oceania Europe, Central Asia
Conservation Least Concern Least Concern

Black Earwig

A glossy black earwig with reddish legs commonly found in tropical regions. It is often associated with banana plantations and palm trees.

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Did You Know?

The black earwig has been spread throughout the tropics via the banana trade and is now pantropical in distribution.

South American Grain Stem Sawfly

A slender black stem sawfly with smoky wings and yellow abdominal bands. It attacks cereal grain stems in parts of Europe and Asia.

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Did You Know?

Like other cephid stem borers, the larva constructs a silken cocoon inside the hollowed-out stem base where it overwinters before pupating in spring.