Slide specimens produced tiny insects, parasites and local fine structure, enclosed slide, for magnification observation. Fengpian plastic commonly used are: ① Canada gum: only diluted with xylene. When the producers, removing material from the storage solution crystal insect specimens, subject to alcohol (concentration increased by 100%), completely dehydrated teaching insect specimens, and then removing the alcohol and xylene transparent before they can move to the slides plus Canada glue mounted. Such slide specimens can be permanently stored. ② gum arabic mixture mounted. Suitable for smaller overall producer insects. Arabic powder 30 g, distilled water, 50 ml, 20 ml glycerol, chloral hydrate, 200 restraint glue. Preparation of true insect specimens, first add distilled water to the powder, stirring, until heated water bath powder is completely dissolved, then stir slowly add chloral hydrate, and finally add glycerin stirring hot pour colored flasks, placed 60 ℃ incubator with glass wool filter, after 24 hours, can be removed and stored at the missing light environment. 1. The samples need to be prepared before making tools wings board: with relatively loose wood or foam made size specifications are not strictly limited. Commonly used about 35 cm, 15 cm wide at the bottom of the board, the middle set a width of 2.5 to 3 cm of cork bar or rod sorghum insect specimens for use pins. Both ends of the base plate fitted with a height of about 2.5 to 3 cm of the two support boards (planks intermediate recessed into a "V" better). And then loaded on board to support two pieces of wood, each piece of wood width slightly longer than the average length of some insect wings, ranging from 1.5 to 7 cm. There is a slit groove between two pieces of wood, its width depending on the size moth abdomen may be. Two pieces of wood can also be made of the activities of the wings panel with screws to adjust so that the distance between the slit trench may expand or shrink as needed. This can be done with a board more. Insect taxidermy voyage teaching (certified), insect specimens provided by Xinxiang City Teaching Equipment Co. voyage. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) is an industry leader in Henan Xinxiang, specimen model years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. On the voyage instructional leadership with the staff warmly welcome all inquiries negotiations to create a better future teaching voyage.