In larval stage: dentition formula 2|2, had no spiracular plate, there were a pairs of anal setas and had no anus sulcus posterior.
齿式2|2，无气门板，肛毛1对，无肛后沟，爪垫明显超过爪长的2/3。
In larval stage: dentition formula 2|2, had no spiracular plate, there were a pairs of anal setas and had no anus sulcus posterior.
齿式2|2，无气门板，肛毛1对，无肛后沟，爪垫明显超过爪长的2/3。
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