Possible Clues:

• Insects that feed on plant sap
• Minute insects on the outside of a trio of vessels
• Insect identified by most of the instances of clothing damage
• Flyer needs height in journeys
• Minute black insect of genus of the same name
• Insects found in journeys across hospital
• Insect dances round horse
• Minute black slender-bodied insect
• Sap-sucking insect
• Insect's extremities grasping ends of hair