Spittlebug (species Aphrophora signoreti)

Systematic position: Aphrophora signoreti is classified under the order Hemiptera, family Aphrophoridae. These insects are widely recognized in agricultural and forestry environments for their unique biological characteristics and their impact on various host plants.

Host plants: This pest is a polyphagous insect. It causes damage to a wide range of woody plants, including oaks, willows, and birches, as well as several horticultural and ornamental species. The presence of the pest can significantly impact the physiological health of vulnerable garden plants.

Biology and life cycle: The life cycle involves multiple developmental stages. The larvae are famous for producing a white, frothy substance that looks like saliva. This foam provides moisture and protection against predators and desiccation. After completing their larval development, the adults emerge and continue the cycle by feeding on plant sap.

Damage and harmfulness: The primary harm occurs through the sap-sucking activity of the nymphs and adults. This causes leaf distortion, stunted shoot growth, and general chlorosis. The presence of foam on the plant surface is not only aesthetically displeasing but can also harbor pathogens that lead to secondary fungal infections.

Control measures:

• Regular monitoring of vegetation for the presence of foam masses.
• Physical removal of nymphs by washing the foliage with a strong jet of water.
• Weed management to eliminate alternative host plants in the vicinity of crops.
• Application of systemic insecticides or soaps during early nymph stages if infestations reach economic damage thresholds.