"Eleodes" is a class of insects in the family Coleoptera, commonly known as "black beetle (darkling beetle)". It is widely distributed in arid and semi-arid areas and is characterized by its hard exoskeleton, black or dark brown body color and unique ecological adaptability. The model focuses on restoring the biological morphology, anatomical structure and detailed characteristics of these insects, which is both scientific and realistic, and may be used for biological teaching, ecological simulation or science visualization.

Spotted flower tortoises are large, with adults 1.4-1.8cm long and oval bodies, usually dark brown or black with yellow or white spots. The wings are shiny and remain closed during flight. It feeds mainly on nectar and pollen and is common in gardens, orchards, and forest margins. The larvae are white, live in saprowood or humus, are thick in size, and have relatively small heads and legs. The larvae pupate in round cells formed by wood chips, and the adults appear in summer. It is more common in Australia, mainly from New South Wales to northern Queensland.

It is an insect unique to Costa Rica in Central America, known for its bright golden appearance. The body wall of this insect is hard, and the forewings are hard and keratinized, forming protective elytra. Both adults and larvae of the golden beetle have chewing mouthparts, while larvae are usually oligopoda with well-developed thorax and degenerated abdomen. The eggs of gold beetles are mostly round or spherical, and their life cycle includes four stages: egg, larva, pupae, and adult. In nature, the shiny appearance of gold beetles is often used to attract the attention of the opposite sex during courtship.

Spades are a collective term for insects in the order Coleoptera, family Spades, of the phylum Arthropods. The adult body of the shovel beetle is elliptical in shape, black or brown in color, mostly glossy, and has a solid surface; The upper forehead of male insects is mostly large and protruding like deer antlers. Some species have teeth on the upper jaw, while others have forked horns at the end of the upper jaw; The elytra cover the entire abdomen. The spade beetle is named because its shape resembles that of a shovel when its elfin is closed. Spade armor, also known as shovel shaped armor, shovel shaped insect, or deer antler insect.

The longhorn beetle is a general term for insects in the polyphagous suborder of the longhorn family, with a body length of 40-80 millimeters. Gray brown or gray black, with short brownish yellow hairs covering the elytra and entire body. There is a deep groove in the center between the antennae and the two compound eyes, which extends all the way to the top of the head and is deeper at the top of the head. The antennae are almost black. About one and a half times the size of the body, with a notch in the first section; The first section is thick and cylindrical, with a slightly outward protruding rear edge; The third section is relatively long, approximately equal to the sum of the fourth and fifth sections; Sections 7-10 are rod-shaped, with no flat edges, protrusions, or sharp edges on the outer side. The back of the anterior thoracic joint has irregular horizontal wrinkles, with round wrinkles on both sides but no lateral spikes.