Which insect produces 1-2 generations per year?

The Redheaded Sawfly is known to produce only one to two generations per year. This limited reproductive cycle is influenced by factors such as the climate and food availability for the larvae. In contrast, other options typically produce more generations annually. For instance, the Gypsy Moth is notorious for having multiple generations each year, allowing it to rapidly increase its population under suitable conditions. The Introduced Sawfly and European Sawfly also tend to have more than one generation each year, making them more prolific in comparison. Understanding the life cycle and generation frequency of pests like the Redheaded Sawfly is crucial for effective pest management in agricultural and ornamental practices. This knowledge allows for better timing of pest control measures to align with the pest's growth stages, optimizing effectiveness and minimizing environmental impact.