This kind of bug, at first glance fat and chubby, but does not make people feel cute, but there is a sense of horror, creepy, in fact, many people do not know that this bug will become a butterfly after adulthood, in the countryside is very common white powder butterfly and vegetable powder butterfly is its white powder butterfly body length of about 18mm, spread wings width 45-65mm. The head is small, the compound eyes are dark brown, round, prominent, the mouth organ is siphon, the lower lip must be particularly developed, and the antennae are club-shaped. The thorax is black with long gray hairs and long fine white hairs. Females have gray-black parts at the base of the wings that cover half of the wings, and there are triangular black spots at the tip of the wings. The gray-black part of the male butterfly is limited to the base of the wing, and the gray-black part of the wing tip is lighter. Female butterflies are generally darker and more pronounced in color than males. The feet are slender, the abdomen is slender , the end is slightly pointed, and it is densely covered with white scales.
Lepidoptera Hammerhorn suborder, Pinky Butterfly. The adult butterfly is 12 to 20 mm long, the wingspan is 45 to 55 mm, the body is black, the thorax is densely covered with white and gray-black long hairs, and the wings are white. The female forewings are mostly black on the leading margin and base of the forewings, with 1 large triangular black spot at the apex and 2 black round spots on the outer side of the middle and outer, juxtaposed anteriorly and posteriorly. The base of the hindwings is greyish-black with a black spot on the leading edge, which is connected to the black spot behind the forewing when the wing is spread. The genus is fully metamorphosed. The main host is in the cruciferous family, Asteraceae, Spinosa and other 9 families of plants, mainly harmful to cruciferous vegetables, especially kale, kale, cauliflower and other seriously affected.
I remember when I was in elementary school, there was a nature class, after class, I asked to make butterfly specimens, at that time I also caught a lot of these butterflies, especially playful when I was a child, I also loved to catch butterflies, I think many friends have experienced such a childhood.