Fever Fly vs Spotted Stem Borer

Side-by-side species comparison

Attribute Fever Fly Spotted Stem Borer
Scientific Name Dilophus febrilis Chilo partellus
Order Diptera Lepidoptera
Family Bibionidae Crambidae
Size 5-7 mm 20-28 mm wingspan
Habitat Farmland Farmland
Diet Nectar Feeders Herbivores
Regions Europe, Asia Sub-Saharan Africa, South Asia
Conservation Least Concern Not Evaluated

Fever Fly

A small, shiny black march fly with spiny front tibiae used for digging. It was once believed to cause fevers in humans, hence its common name, though it is completely harmless.

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Did You Know?

Its spiny front legs are used by females to dig into soil for egg-laying, an unusual adaptation among flies.

Spotted Stem Borer

A straw-colored moth whose larvae bore into stems of maize and sorghum in Africa and Asia. It can cause total crop failure in heavily infested fields.

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Did You Know?

The push-pull pest management system, using Desmodium and Napier grass, was developed primarily to combat this borer.