Success with lacewing eggs or larvae may require practice. In south Florida, a third but smaller flight can occur in December. Although not all are directly beneficial, many hover fly larvae prey on aphids, mealybugs and other small insects. Fun fact These flies are called "hover flies" because they hang in one spot like a helicopter when they fly. Chinese mantid was introduced in as a beneficial insect. Then she lays groups of 12 to eggs, which are covered in a frothy liquid that turns into a hard, protective shell.
Many natural enemies, including wasps, green lacewings and soldier bugs, will attack these pests.
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In a week or two, the eggs hatch, and larvae begin crawling around, looking for prey. Place homes by early spring, preferably by April 1. Use ant stakes at the base of affected plants or apply sticky material around trunks. Identification The adult beetle is a squat beetle of approximately 13 - 15 mm long and about 8 mm wide and dark brownish-black in colour Figure 1. Benefits They eat mosquitoes, aphids and other pest bugs. Once adults, lovebugs are ready to start copulating to begin reproducing. While various fungi are suspected of being natural controls for this species,  biological control of these non-pest flies is not a priority for funding.