What management insight does the Eriosomatinae classification suggest for infestation checks?
Answer
Inspecting the root crown area just below the soil line for similar white woolly masses
The classification within Subfamily Eriosomatinae provides an important diagnostic warning beyond surface-level observation. This subfamily includes species, such as related root-feeding aphids like *Eriosoma crataegi*, that are known to infest underground structures, including root crowns. Therefore, a thorough management strategy requires looking below the soil line if aerial treatments prove insufficient. Recognizing this ancestral tendency within the lineage means that a complete control protocol must account for potential life stages or colonies hidden near the root crown area, preventing residual infestation spread.
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