The sand wasp, Stictiella formosa is a butterfly wolf. These wasps dig nests in sandy soil and hunt prey to feed their offspring. They prey on a variety of small Lepidoptera, often striking butterflies or skippers while the butterflies drink nectar at flowers. Among prey that have been observed are the Gray Hairstreak, Snout Butterfly and numerous skippers*.
A single butterfly does not provide sufficient nutrition for this sand wasp to fully develop. Stictiella formosa lays…
Source: Living With Insects Blog