digger wasp
noun
1- a solitary wasp which typically excavates a burrow in sandy soil, filling it with one or more paralysed insects or spiders for its larvae to feed on泥蜂。
1.1
- Families Sphecidae (which includes sand wasps) and Pompilidae (which includes spider-hunting wasps).细腰蜂科（包括沙蜂）和蛛蜂科（包括蛛蜂）。