About Scoliid wasps
- Scoliid wasps, also called digger wasps, are a type of ground-nesting wasp.
- Scoliid wasps are about 5/8 inch long, blue-black, with blackish-purple wings. There are two yellow spots, one on each side of the abdomen.
- Their bodies are fairly hairy and the back part of the abdomen is covered with reddish hairs.
- They are generally seen flying in large numbers over lawns during the day, leaving in early evening.
- Scoliids are beneficial wasps parasitic on grubs. They are not aggressive and generally do not attack people. They disappear at the end of the season.
- Adults are often seen visiting goldenrod flowers in late summer.
- Control is not necessary or recommended.