Assertion: aphid's mouthpart | /r/HasProperty | thin
Facets:
value: usually
type: DEGREE
value: to prevent damage
type: PURPOSE
value: very
type: DEGREE
Source sentences:
text: Their mouthparts are very thin, so to prevent damage during insertion, they secrete a special liquid that hardens quickly to form a protective sheath as they slowly push their mouthparts into the plant.
text: The legs and mouthparts of hoverflies are usually not particularly long and thin (some bombyliids have a long and needle-like proboscis, many have legs that are noticeably longer and thinner than in similar-sized syrphids)