South American Grain Stem Sawfly vs Keeled Treehopper

Side-by-side species comparison

Attribute South American Grain Stem Sawfly Keeled Treehopper
Scientific Name Cephus fumipennis Entylia carinata
Order Hymenoptera Hemiptera
Family Cephidae Membracidae
Size 7-10 mm 4-6 mm
Habitat Farmland Farmland
Diet Seed Feeders Sap Feeders
Regions Europe, Central Asia North America, Central America, South America
Conservation Least Concern Least Concern

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.

Keeled Treehopper

A small, flattened treehopper with a pronounced dorsal keel running along its pronotum. It is widespread across the Americas on many host plants.

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Did You Know?

Its flat, leaf-like profile makes it look like a tiny bump or bud on a plant stem.