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The morphological characteristics of the hairy beetle (long stinging hairs all over the body)

2023-03-23 03:42:02 166

Hairy Longhorn Beetle body length: 23-34 mm; body width: 9-13.5 mm. The body is thick, with a black base, and the whole body is covered with brown to brown-red hairs. The head, thorax, elytra, leg segments and ventral surface of the body are mixed with white fluffy dots. The number of white dots on the head and thorax is small, and there are scattered and slender black erect hairs. The antennae are yellowish-brown and covered with brown-red or golden-yellow hairs. There are a few tufts of hair on the lower edge of the end of the stalk, and a few black thin hairs are scattered on the rest of the part. One-half of the end of the third node is covered with dense tufts of hair, similar to With a test tube brush, the small scutes are covered with brown hairs. Each elytra has many bunches of long black erect hairs, resembling spines. The lower lobe of the compound eye is slightly longer than the cheek, or the two are nearly equal in length; the antennal base tumor is prominent, and the two base tumors are deeply concave; the head has finely carved points, with a small number of grouped points; the antennae are thick, and the male antennae are slightly It is longer than the elytra, and the female antennae reaches the end of the elytra. The stalk section is longer and thicker, and the third section is longer than the stalk section. The pronotum is wider than long, the lateral spinous processes are thicker, and there are several tumor-like protrusions in the middle area. Scutellum long triangular. The elytra are broad, the end edges are flat or slightly concave, the outer end angles and suture angles are not significant, there are several granular engraved spots at the base, sparse rough engraved spots at the front end, and the rough engraved spots disappear after the middle part. The tumor process of the mesothoracic and abdominal plate is very raised, and the center of the rear end of the female's abdominal distal segment is slightly concave, and the concave surface is smooth and hairless. The feet are thicker.

Damaged plants: Dalbergia obtusa (Beef rib), Yangqing.


Distribution: Sichuan, Yunnan; India, Sikkim, Myanmar, Thailand, Vietnam, Laos.

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