Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insects with obvious wings: ¾ - 1 inch long > Elm sawfly

Elm sawfly

Cimbex americana

Steven Katovich, USDA Forest Service, Bugwood.org

Herbert A. 'Joe' Pase III, Bugwood.org

Description: 3/4 inch long. Dark colored head and thorax, orange antennae; males have a reddish abdomen while females have a black and cream striped abdomen; both have a creamy white spot on the abdomen (near the thorax); and smoky colored wings.

Where/When: May-June; Associated with a variety of trees including willow, poplar, maple and elm; may also be found visiting flowers.

Significance: Does not harm people or property.

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