How to identify pear bugs

(1)Pear net bug:

① Adult: about 3.5 mm long, flat, dark brown. Small head, broad wings, dark black compound eyes, no monocular. Proterodorsal plate raised on both sides of the wing-like, translucent, which have network patterns. The front wings are slightly rectangular, and the stripes stacked on the two front wings are "X"-shaped at rest. hind wing membranous, white transparent. The abdomen is golden yellow with black stripes.

② Egg: about 0.6 mm long, light green at first birth, translucent, then light yellow, oval, curved at one end.

(3) The nymph is white and transparent, its compound eyes are red, its body length is about 0.7 mm, and its body color changes to light green after a few hours. At 2 years old, the dorsal plate of abdomen turned black. Wing buds appeared at the 3rd instar and 8 pairs of spinous projections appeared on both sides of abdomen. The 5th instar nymph is about 2 mm long, the wing bud is about 1/3 of the body, the abdomen is yellow brown, and the body is broad and flat.

(2)Pear Bug:

① Adult: 12 - 15 mm long, 5 mm wide. Body flat, subelliptic, taupe or greenish-brown. The head is yellow-brown, and there are 2 brown longitudinal spots in the center of the back. Antennas filiform. There is a "eight"-shaped black stripe near the front edge of the proterplate. Abdomen yellow, each section has black stripes and small red spots, there are 3 rectangular spots in the center, each-abdominal section has pairs of triangular black spots on both sides.

② Egg: pale yellow with green, oval, 0.8 mm in diameter. Often 20-30 eggs are laid together, covered with a layer of yellow-white or purplish red transparent gelatin.

③ Nymph: adult like, wingless, 5 instars in total.

(3)Tea wing bug:

① Adult: 15-18 mm long, 8 - 9 mm wide, flat body, slightly elliptical, all tea brown. The head is pale yellow with two brown longitudinal spots in the center. The antenna is 5 nodes, dark brown. There are 4 yellow-brown lateral spots on the front edge of the proterplate, 5 small macula at the base of scutellum, and obvious spots on both sides.

② Egg: short cylindrical, initially milky white, then dark brown, slightly oblate. Black head and chest. There are spines on both sides of the pronotum, and a black spot on both sides of each segment edge and the middle dorsal edge of the abdomen.