spittlebug
/ˈspɪtəlˌbʌɡ/
noun
- A small insect whose young produce a frothy, spit-like foam on plants for protection; also called a spittle insect.
- I noticed a spittlebug on the rose bush, surrounded by its white froth.
- The spittlebug's foam keeps it safe from predators and helps it stay moist.
- Spittlebugs are common in gardens during the spring and summer months.
Synonyms