Probably the most common strawberry insect in Iowa is the strawberry leaf-roller. Other insects are often seen on strawberry plants but usually only locally. Because several generations occur during a season, this insect soon becomes abundant in a strawberry bed, thus accounting for its common occurrence.

Severe losses caused by this leaf-roller are frequently reported. Several years ago in certain localities in Scott county strawberry growing was practically abandoned because of this insect. One grower at Des Moines, who raises about seven acres of strawberries, recently states that his loss in 1916 due to this insect amounted to at least a thousand dollars. In the year previous his crop had brought him $1,700, but because of the leaf-roller injury in the spring of 1916, this was reduced to about $700.



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