apparatus for tacking a yarn in a predetermined pattern onto a needled fleece , which lies on a support consisting of brushes and which is supported by the free ends of the brush bristles comprising a pressure plate unit which is movable parallely to the support and having a yarn channel extending basically vertically therethrough , yarn supply structure for supplying the yarn along a yarn path from a yarn supply into the yarn channel , a needle having laterally protruberant projections , which are suitable for piercing yarn fibers into the needled fleece , a needle support connected to the pressure plate unit and mounting the needle , and drive structure for moving up and down the needle support in a direction towards and from the pressure plate unit . the device is suitably combined with a needle loom , which pierces the fibers of the yarn tacked to the needled fleece by the device through the needled fleece .