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Ladybirds belong to the family Ladybirds of the order Coleoptera. The body is hemispherically arched, the surface is smooth, often with red, black, yellow, and white spots, and it is a brightly colored small insect. There are more than 5,000 species of ladybugs worldwide. According to pang hong et al. (2004) statistics, there are 725 species of ladybugs in China, of which 145 are plant-feeding, about 20 are fungal, and the rest are predatory ladybirds. The following are some of the common predatory ladybirds I have collected
26. Yellow treasure plate ladybird
Propylea luteopustulata Mulsant, 4.5 to 5.5 mm long and 3.5 to 4.4 mm wide. The body is oval. The head is yellowish brown , sometimes with dark spots on the top of the head. The dorsal plate of the anterior thorax is yellowish brown without dark spots, or has a pair of small black spots at the base, or 4 small black spots, or 1 "figure eight" black spot. The elytra are black, with each elytra either 5 maculas arranged in a 2-2-1 arrangement, or 4 maculas, or the two front maculas are connected to form two yellow transverse bands; or the anterior and posterior transverse bands are connected. Elytra are yellowish brown, with 3-2 arrangements of each elytra or 5 black spots, or 4 black spots in a 2-1-1 arrangement.
Host: Aphids.
27. Macular disc ladybird
Lemnia saucia Mulsant, 4.6 to 7.0 mm long and 4.2 to 6.0 mm wide. The body is nearly round. The head is white (male) or black (female). The dorsal plate of the anterior thorax is black with large white spots on both sides, reaching the posterior edge of the dorsal plate. The elytra are black with a nearly oval (transverse) or rounded spot near the center, orange-red or yellow, which can be enlarged and can reach a transverse diameter of up to 3/4 the width of the elytra.
28. Eight spots and ladybugs
Harmonia octomaculata Fabricius, 5.6 to 7.0 mm long and 4.3 to 5.6 mm wide. The body is ovate. The head is yellowish brown, and sometimes the top of the head is black. The dorsal plate of the anterior thorax is yellowish brown with 2, 4 or 5 dark spots, or one large dark spot. Elytra orange-yellow to yellowish brown, the markings are varied, each elytra has 7 black spots, arranged in a 2-3-2 arrangement, the markings can be enlarged, and a black spot appears at the end of the wing, thus forming 4 transverse bands, the first 2 stripes can be connected on the outside, the last 2 stripes can be integrated, leaving only a light spot; the sheath slit is often black. or less markings, or even no markings.
29. Black cardigan ladybug
Scymnus (Neopullus) hoffmanni Weise, body length 1.7 to 2.2 mm, width 1.1 to 1.5 mm. The body is ovate and covered with pale yellow hairs. The head is yellowish brown to reddish brown. The dorsal plate of the forebreast is brown with a dark spot at the base, which can be enlarged, leaving only the anterior corner brown. The elytra are brown with a variety of markings, the shallowest of which is a black longitudinal strip that extends up to 5/6 of the length of the elytra, or the markings are enlarged, and the base of the elytra is also black, or the lateral margin of the elytra is black, and the middle of each elytra has a brown longitudinal strip.
Hosts: Aphids and leaf mites.
30. Small ladybugs with posterior spotted
Scymnus (Pullus) posticalis Sicard, 2.0 to 2.4 mm in length and 1.4 to 1.6 mm in width. The body is ovate and covered with fine yellowish white hairs. The head is reddish brown , females are black , the base of the lip is reddish brown ; the dorsal plate of the forebreast is black , the male anterior margin and anterior horn are reddish brown , smaller , females are black. The elytra are black with 1/6 of the ends yellowish brown. The feet are reddish brown.
Hosts: aphids, whiteflies, etc.