FFA Agronomy CDE Practice Exam 2026 – The All-in-One Guide to Excelling in Your Agronomy Career Development!

The lady beetle larva, which is the juvenile form of ladybugs, is a beneficial insect that plays a significant role in pest control, mainly feeding on aphids, mites, and other small soft-bodied insects. The complete life cycle of lady beetles includes the egg, larva, pupa, and adult stages, allowing them to effectively reproduce and establish themselves in environments where they can help manage pest populations.

While stating that lady beetles have no economic impact may be too broad, they are generally considered a beneficial presence in agricultural settings due to their natural pest control abilities, which can lead to reduced reliance on chemical pesticides. The economic benefits derived from reduced pest populations often far outweigh any minimal negative effects they might contribute.

In the context of the other options, honeybees are crucial for pollination and can significantly affect agricultural production, making them economically impactful. Green lacewings, like lady beetles, are also beneficial in controlling pests and have notable economic role due to their predatory nature. Japanese beetles, on the other hand, are detrimental pests that can cause significant damage to a wide range of plants, resulting in a direct negative economic impact.