Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insects with obvious wings: greater than 1 inch long or wingspan is 2 inches or more > Pelecinid wasp

Pelecinid wasp

Chris Schultz, Bugwood.org

Whitney Cranshaw, Colorado State University, Bugwood.org

Description: 2 inches long. Very slender, shiny black wasp with a distinctive long, curved abdomen.

Where/When: Found generally in urban and rural areas from July to September.

Significance: Does not have a stinger and is not aggressive towards people.