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or streams; they lay their eggs in the water and the young
when hatched breath by gills, and feed on young
mousquitoes etc. To catch these wigglers they are
provided with a large lower lip, which they extend
and use as a drip net.

In the adult form they feed largely [enl] and
are therefore both in the larva and the adult
stages, very benefficial. They do not sting; the
organ at the end of theabdomen which is
thought by many to be stinger is merely
an [oveaporter].