Limnoperna fortunei larva collecting device and using method

The invention discloses a limnoperna lacustris larva collecting device and a use method, and relates to the field of water body larva detection equipment.The limnoperna lacustris larva collecting device comprises a water pump, the output end of the water pump is connected with a transfer cup through a water conveying pipe, a larva enrichment funnel is arranged in the transfer cup, and the bottom end of the transfer cup is connected with a quantitative control assembly through a pipeline; filter holes for filtering larvae are formed in the side wall of the larva enrichment funnel; a collecting pipe is vertically arranged at the bottom end of the larva enrichment funnel, the bottom end of the collecting pipe penetrates out of the transfer cup and is connected with a larva collecting bottle, an electric valve is arranged at the top end of the collecting pipe, and the quantitative control assembly is electrically connected with the water pump and the electric valve. Water in a specified water area and a specified