Desert Seed Bug vs South American Grain Stem Sawfly

Side-by-side species comparison

Attribute Desert Seed Bug South American Grain Stem Sawfly
Scientific Name Melacoryphus lateralis Cephus fumipennis
Order Hemiptera Hymenoptera
Family Lygaeidae Cephidae
Size 5-7 mm 7-10 mm
Habitat Meadows Farmland
Diet Seed Feeders Seed Feeders
Regions North America Europe, Central Asia
Conservation Least Concern Least Concern

Desert Seed Bug

A small red and black seed bug found in arid habitats across western North America. It feeds on seeds of desert wildflowers and grasses.

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Did You Know?

It aggregates in large, conspicuous groups on desert plants, using warning colors to deter predators.

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.