1. Silkworm pupa properties: the pupa worm that becomes in the cocoon after the silkworm spins silk for cocoon.

2, the nature of cicada pupa: grasshopper larvae, edible.

Different morphological characteristics:

1. Morphological characteristics of silkworm chrysalis: The silkworm moth, whether male or female, is covered with white scales. Body length1.6-2.3cm, wingspan 3.9-4.3cm, yellow-white to grayish-white wings. The outer edge of the front fender is concave behind the top corner, and the horizontal line is slightly dark. The lines and textures at the tail end are grayish brown, the rear wing is shallower than the front wing, and the scales at the edge are slightly longer. The female moth has a fat abdomen and a blunt end; The male moth has a narrow abdomen and a slightly sharp end. Larvae is a silkworm, with gray-white to white body color and slightly swollen and wrinkled chest 2 and 3. There is a tail horn on the back of the eighth abdominal segment.

2. Morphological characteristics of cicada pupa: The abdomen of cicada is long and conical, and the abdominal segment 10, and the ninth abdominal segment becomes the caudal segment. The first and second ventral nodes of male cicada have vocal organs, the tenth ventral node forms anus, and the tenth ventral node of female cicada forms oviposition tube, which is relatively enlarged. Larvae live in the soil, and the last larvae are mostly brown, similar to adults.