６　Podonominae

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1 genus only found in Japan.

Paraboreochlus

I found these larvae in several rivers in the country..( River Kirishima, Kinokawa, Oomata ( Kumano), Yasu .etc.)

Larva small 2〜4 mm; conspicuously slemder. pale yellowish brown. Eye spot 1 pair, large.	Median tooth large, 7 lateral teeth, 1st. and 3rd. lateral tooth small. Ventromantal plate overlaps with lateral teeth.	Outer side of mandible semicircul. 1st.and 4 th inner teeth large, 2nd. and 3rd. inner teeth small. seta subdentalis short. Seta interna consisting of 10〜16 branhes .
Antenna with 5 teeth , 2 times of mandible. Antenna ratio 0.9. Segment 3 annulated. . Lauterborn's orga small. Blade short.	Procercus heigth 4 〜5 times of wide. : hyaline anteriorly, blackish posteriorly; with 7 or 8 anal setae each of them different length. Two distinctive long, black setae just before the anal tubules.	・Ｓ�T: long needle like, on high tubercle, S�Uon 　somewhat long clubbed tubercle . ・Pecten epipharyngis consisting of 10 or more bristles . ・Premandible lacking ・Procercus slender , with 7 or 8 anal setae.