21. I slipped the long spinal needle between the vertebrae of her lower back, then removed the thin stylet . 22. After removal of the stylet , the needle is inserted until CSF starts to come out of the needle. 23. The left mandible is larger, and forms a narrow stylet used to pierce the cell wall of tissues. 24. The mouthparts were elongated, and included sharp piercing stylets , and possibly a sucking pump-like organ. 25. The antennae impale or crush the prey, and then bring it to the larval mouth, or stylet . 26. The encompasses those animals with a proboscis armature consisting of a single central stylet on a large cylindrical basis. 27. The mouth parts, like that of all hemipterans, have stylets used for penetration into plants and sucking. 28. The penial stylet is about 600 ?m long and corkscrew-like coiled with one and a half spirals. 29. This stylet can be partly retracted into the penial muscle that is able to evert to a certain extent. 30. The larvae have rings of cuticular hooks and terminal stylets that are believed to be used to enter the hosts.
