The wings are longer than the body, are transparent, and have a fine network of veins. Green lacewing adult Larva of green lacewing Syrphid or flower files are aphid predators. They will eat anything they happen upon, including each other. The adults are 2 inches to 4 inches in length, with long bodies, large eyes, and papery wings. Microscopically viewed infective juvenile nematode Parasitic nematodes are tiny, parasitic worms that are not harmful to humans, animals or plants.
Some species work on insects that feed near the soil surface or inside plants.
Others move through the soil profile to attack certain beetle grubs. Attracting and Conserving Beneficial Organisms To conserve and protect beneficial organisms in your garden or landscape, provide water, food, cover, nesting places, and a diversity of flowering plants. Soaps, oils, and botanical pesticides have short-term effects on populations of beneficials compared to typical synthetic pesticides. In addition, try to maintain a diverse habitat. Provide pollen and nectar sources for adult beneficials by growing a wide variety of annual and perennial flowers so that some plants are blooming throughout the growing season.