Chilo infuscatellus jungle rice ("Echinochloa colona"), barley ("Hordeum vulgare"), rice ("Oryza sativa"), millet ("Panicum"), pearl millet ("Pennisetum glaucum"), sugarcane ("Saccharum officinarum"), sorghum ("Sorghum bicolor") and maize ("Zea mays"). Young larvae eat small holes in the leaves, particularly the leaf sheaths. As they grow, the larvae feed on the tips of the shoots, killing the growing points, and later still, they bore into the stems, creating galleries and producing frass which drops from the holes. The stems become brittle and the dead hearts of the plants are characteristic of this pest. Control of "Chilo infuscatellus" in sugar plantations is difficult. The plants are
Cannabis sativa Cannabis sativa Cannabis sativa is an annual herbaceous flowering plant indigenous to eastern Asia but now of cosmopolitan distribution due to widespread cultivation. It has been cultivated throughout recorded history, used as a source of industrial fiber, seed oil, food, recreation, religious and spiritual moods and medicine. Each part of the plant is harvested differently, depending on the purpose of its use. The species was first classified by Carl Linnaeus in 1753. The flowers of "Cannabis sativa" are unisexual and plants are most often either male or female. It is a short-day flowering plant, with staminate (male) plants usually taller