A 70% ethyl alcohol for 24 hours and 12 hours c] h; 20% ethyl alcohol 12 hours to soak in a sample of the insect absolute ethyl alcohol for 24 hours, absolute ethyl alcohol used needle ashtray ashtray gradually and the end of the abdomen and genitalia lead coming out the slide came the drops of euparal already put off by closing the slide plate. Bring to a photo shoot, and then measure the size will be found in the section of the horned selerite with different characteristics. Length measured from top to bottom with different sizes and widths measured from horned selerite section, it has a different length.
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