A female Thread-waist has stung and paralysed a caterpillar which she is dragging back to a hole she has dug. She lays an egg and the larvae eats

abdomen, active, africa, ammophila rubripes, antennae, apocrita, arthropoda, barbless, brown, carnivore, caterpillars, cell, chitin, common, digging, digs tunnel, easily recognised, eggs, female solitary predator, fresh food, fungus, grub, habitation, head, hunter, hymenoptera, infection, insect, invertebrate, larvae, lip, mass, medium size, metamorphosis, mining, mud, non-social, paralyse, saliva, sand wasps, sandy soils, solitary, sphecidae, spherical, sting, sting paralyses, stun, thread-waisted wasp, very slender, widespread, wing,