12.ナラビカブリダニ属を識別する
周気管の比較
Two dominant Euseius species are discriminated in this step.
The specimen maybe Euseius finlandicus (イチレツカブリダニ) if the end of peritreme is located at coxa of leg II, and if 6 ventral setae (JV1, JV2, ZV2) stand a line.
The specimen maybe Euseius sojaensis (コウズケカブリダニ) if the end of peritreme is located at coxa of leg I, and if 4 ventral setae (JV1, JV2) stand a line.