论文部分内容阅读
从野外采回的昆虫要及时制成各式标本,妥善保存,以供科研、教学和生产参考。昆虫标本除应保持虫体各部份的特征完整,还要求美观、整洁。下面谈谈如何制作和保存昆虫标本。一、怎样制作昆虫标本(一)针插标本的制作将成虫用昆虫针扦插起来,装盒入柜保存,这种标本叫针插标本。针插标本所用工具及制作方法如下:1.昆虫针及插针方法。用来扦插昆虫标本的针叫昆虫针。它是用不锈钢制成。按其大小、粗细分为00、0、1、2、3、4、5等7种型号。00型称微针又叫二重针,最短,只有1厘米长,顶端不膨
Insects recovered from the field should be made in time all kinds of specimens, properly preserved for scientific research, teaching and production reference. In addition to the insect specimens should maintain the characteristics of various parts of the worm complete, but also requires beautiful, clean and tidy. Here’s how to make and save insect specimens. First, how to make insect specimens (A) the production of needle insert the adult insect sticks cuttings together, packed into the cabinet to save, this specimen is called needle inserted specimens. Tools and methods of making the needle insert are as follows: 1. Insect needle and pin method. A needle used to cut insect specimens is called an insect needle. It is made of stainless steel. According to its size, thickness is divided into 00,0,1,2,3,4,5, etc. 7 kinds of models. 00 called microneedles, also known as double needle, the shortest, only 1 cm long, the top is not swollen