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The Insectology Department at Iowa State is doing work on corn parasites. The two examples shown are, on the left: Cynaeus angustus. These insects feed on the whole grain. On the right: Tribolium castaneum, generally known as the red rust flour beetle. These feed on the ground corn. Iowa State Colle
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The Insectology Department at Iowa State is doing work on corn parasites. The two examples shown are, on the left: Cynaeus angustus. These insects feed on the whole grain. On the right: Tribolium castaneum, generally known as the red rust flour beetle. These feed on the ground corn. Iowa State Colle

Delano, Jack · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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united statesstory countyamessafety film negativesiowa
Credit lineThe Insectology Department at Iowa State is doing work on corn parasites. The two examples shown are, on the left: Cynaeus angustus. These insects feed on the whole grain. On the right: Tribolium cast. 1942-01-01. Delano, Jack. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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