The encased "three-tailed wasp" exhibits typical characteristics of the Apocynoidea suborder: a slender abdomen, transparent membranous wings, well-developed legs, and an exaggerated ring-shaped swelling at the end of the abdomen. The overall shape is oval, with a warm yellow, translucent matrix and a smooth, glossy surface. Dimensions: Height 15mm, Width 4.2mm. Total weight approximately 0.38g.