13.ウスカブリダニ属を識別する
受精嚢の比較
Six dominant Neoseiulus species are discriminated by spermathecae in this step.
Go to STEP 14 if the length of spermathecae is longer than half the width of coxa of leg IV.
Go to STEP 15 if the spermathecae is smaller than half the width of coxa IV.