Scientific name Papilio xuthus Linnaeus Lepidoptera, Papilionidae. Alias ​​orange butterfly, yellow pineapple butterfly, yellow poly butterfly and so on. In addition to distribution in Xinjiang, the provinces are distributed throughout the country.
The host is Wuzhu, bergamot, shell, pepper, pepper, orange, yellow beam, yellow pineapple and other medicinal plants.
The characteristics of the larvae are food buds and leaves. The primordial food becomes nicks and holes, and the leaves are often eaten up slightly, leaving only the petiole. Seedlings and saplings suffer more.
There are two types of adult morphological characteristics: spring type and summer type. Spring body length 21-24mm, wingspan 69-75mm; summer body length 27-30mm, wingspan 91-105mm. The female is slightly larger than the male and the color is not as bright as it is. The two types of wings have similar markings on their wings. The body is pale yellow-green to dark yellow, with black longitudinal bands at the center of the body and yellow and white sides. The forewing is nearly black in triangle and has eight yellow crescent plaques near the outer edge. There are eight small yellowish macules from the leading edge to the trailing edge in the center of the wing. There are four radial yellow stripes in the middle half of the middle chamber and two in the end half. Yellow Crescent Spots. The hind wings are black; there are 6 crescent-shaped maculas near the periphery, 8 maculas at the base, 1 orange-yellow round spot at the hips, 1 black spot at the center of the macula, and tail processes. The eggs are nearly spherical, 1.2-1.5mm in diameter, yellowish in color, and dark yellow in color. They are purple to black before hatching. The larvae are about 45mm long, yellow-green, with spots on both sides of the back and back, and blue-black banded patches between the thorax and the first abdomen. There are one blue and black twill on each side of the abdomen. To the intersection of the 5th and 6th sections, each body has 1 white spot on the lower part of the throttle. Stigma orange yellow. The 1st-instar larvae are black and have many bristles; the 2-4 instar larvae are dark brown with white oblique stripes, and the worm body resembles bird droppings, and there are more meatlike protrusions on the body. Carcass length 29-32mm, bright green, brown spots, body color often change with the environment. The middle thoracodorsal process is longer and sharper, and the top horny process is deeper in the middle. Yellow-green, with blepharoplasty on both sides of the back of the chest, and between the thorax and the first abdomen, 3 generations in the Yangtze River region and north of the region, 4 generations in Jiangxi Province, and 5-6 generations in Fujian and Taiwan. Waiting for winter in the shelter. The occurrence period of each generation of adult worms in Huangyan, Zhejiang Province is from May to June in the overwintering period, from July to August in the first generation, and from September to October in the second generation. Occurrence period of adults in Guangdong: Overwintering from March to April, the first generation from late April to May, the second from late May to June, the third from late June to July, and the fourth generation from 8 to 9 Month, the fifth generation of October-November, the sixth generation of storks winter. Adults are active during the day and are good at flying. They are the most active from noon to dusk and love to eat nectar. The eggs are scattered on the shoots and back of the leaves, and the egg period is about 7 days. After hatching, the larvae eat the eggshells first, and then eat the buds, tender leaves, and leaves. After a total of 5 instars, the eggs are used as mats in the sheltered areas after being cooked, and the mats are grasped with the hip toe hooks, and then the silk is laid on the chest and abdomen. Surrounded by ribbons, wrapped around branches and other objects on the phlegm (this nickname 缢蛹) winter. Natural enemies include phoenix butterfly wasps and broad leg wasps.
Control methods (1) Kill larvae and cockroaches. (2) Protect and deport natural enemies. In order to protect natural enemies, the crickets can be placed in the cage in the sacred cage, and the parasitoids fly out to parasite again. (3) Chemical control. Can be used for 30 billion spores per gram of spore powder 1,000 to 2000 times or 40% of ima horse oil 1500 times, 40% of chrysanthemum oil 1000 to 1500 times, 90% of trichlorfon crystal 800 to 1000 times, 10% of bromine Horse-emulsion 2000 times, 80% dichlorvos or 50% killer or malathion EC, 1000-1500 times, sprayed at the larval instar.
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