Introduction
Spittlebugs are known for the frothy spittle mass they produce while feeding on plants. One of the most common species found is the meadow spittlebug (Philaenus spumarius). The target audience of the fact sheet is commercial greenhouse growers and retailers.
Feeding Damage
Their distinctive, white frothy mass resembling "spittle" surrounds the small, (1/4 of an inch long) light-greenish, immature nymphs. This foam helps protect the nymphs from desiccation and predation from enemies. The damage is only cosmetic and does not harm the plant. However, your customers may object to the presence of the spittle even though it does not harm the plant.
Biology and Life Cycle
Spittle masses usually persist for about 3 or 4 weeks. The adults are 1/4 of an inch long with a short, stout appearance. Because they look like a small frog, they are known as "froghoppers". Adults lay eggs in late August and September. They overwinter in the egg stage. There is only one generation per year.
Scouting
Meadow spittlebugs can be an occasionally found on many different herbaceous perennials such as Achillea, Coreopsis, Phlox, Boltonia, Potentilla and many others. Unfortunately, they often appear during peak sales in the spring.
Cultural Controls
If only a few spittlebugs are present, one can use a gloved hand to remove the spittle. A forceful jet of water will also help dislodge the spittle.
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