SOIL Use an all purpose potting soil for houseplants. If leaves yellow, simply pick them off. Poor drainage, too frequent watering, or standing in water will cause root rot. Leaves will drop if soil is too wet or too dry. Leaf edges will turn brown if soluble salts are too high, let water run through the pot for a while and cut down on fertilization.
Seeds are available but can be difficult to start.
Insecticidal soap should kill them. It grows to 1 to 2 ft. high. It is sometimes called A. marantifolium and Schismatoglottis commutatum. A. costatum 'Silver Queen' is a very popular plant and easy to find. It does best in wide shallow pots filled with coarse soil and does not mind being potbound.