Production Of A Specimen

(1) Collection: The dragonfly lives in the damp and cool soil, such as in late spring and early summer rain, the dragonfly climbs out of the ground, it is easy to collect. Select the body's large and sexually mature crucible (the front part of the body has a dark ring-like ring band).

(2) Anesthesia: Wash the collected moths in the water first to remove the soil from the insectbody. Place in a larger container, add water, with 95% of the alcohol slowly drop into the water (if the crucible flips sharply, that is, the drop of alcohol too fast), within an hour to reach 10% alcohol concentration can be, then stop dripping into the alcohol, after a few minutes is anaesthetized.

(3) Fix: Flat the specimen after anesthesia in an anatomical disk, inject the alcohol solution of Formarin acetate (Formarin 5 ml, 50% alcohol 90 ml, 5ml of ice acetate) or 50% alcohol in the body cavity, injection amount to reach the body round account.

(4) Save: fixed moths placed on a gauze, 20-30 coils rolled into a roll, placed upright in a specimen bottle, added to the falmarin acetic acid alcohol solution or 70% alcohol solution to save.