Mealybug Collection
The Golden root mealybug, scientifically known as Chryseococcus arecae
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The Golden root mealybug, scientifically known as Chryseococcus arecae, is a tiny insect that can cause significant damage to plants and has been found on the roots of Corokia macrocarpa, an imported New Zealand tree. This particular species feeds on plant sap by inserting its needle-like mouthparts into the roots. As it sucks out the sap, it weakens the plant and hampers its growth. The infestation of these pests can lead to stunted growth, yellowing leaves, and even death in severe cases. In addition to attacking the roots, mealybugs also infest leaves. A close-up view reveals their presence on leaf surfaces. These small insects appear as white cottony masses or waxy deposits that camouflage them from predators. Another type of scale insect closely related to mealybugs is also seen in some images captured under scanning electron microscopy (SEM). These microscopic creatures have a hard protective covering that shields them from external threats. Interestingly, ants have been observed tending to mealybugs in certain regions like New South Wales, Australia. Ants protect these pests because they feed off honeydew secreted by mealybugs while providing them with shelter and transportation between plants, and are not limited to specific plant species; they can be found on various hosts such as guava trees too. In one photograph taken by Alan Weaving/ARDEA LONDON, a Guava leaf is heavily infested with these troublesome insects.