What do scale insect eggs look like?

Detecting scale insect eggs is an exercise in astute observation and modest timing. I inspect underneath the female scales with the aid of a 10x magnifier. The eggs are often a tiny oval of delight. These may be pale in color or as deep a purple hue as the species' coloration allows. The eggs are held securely beneath the mother's wax-like exoskeleton before hatching.

Assuming the color of the eggs can indicate a specific species. For example, eggs of the brown soft scale appear to be yellow, while purple scale eggs show greater purple in color. I have a color chart I refer to when identifying species during consults. The color of the eggs can also indicate when we should expect them to hatch, allowing us to manage them with precision.

Use this simple method to find iguana eggs before they hatch! Look under problem scales; use a dental mirror angled toward the light. When you look at the reflective surface, you can see a cluster of eggs that appear invisible from above. I teach this method to nursery owners who suspect they may have eggs in plant material or peat and want to check before disposing of the plant debris in the trash or compost.

Effectively manage target eggs with timing. Apply a horticultural oil when many of the target eggs are identifiable, but before they hatch. The oil coats the eggs under a protective layer. I will use growing degree day models to time applications, predicting exact periods of hatching.

It is essential to remember that eggs should never be mistaken for mineral deposits. When examined under magnification, true eggs exhibit a uniform shape and color. Mineral deposits, on the other hand, appear irregular and crystallized. If you are ever uncertain, it is helpful to gently poke the object with a needle. Eggs will feel soft when poked, while mineral deposits will feel hard.

Read the full article: Mastering Scale Insect Identification: A Complete Guide