hi NARDC it will be helpful to identify the problem if u post pictures. by lice u mean small catterpillars??
a regular spray of neem oil based pesticide, pseudomonas will be helpful.
also organic products will give best results if used as a preventive measure.
i read your problems it shoud be a disease leaf mottled use microbial spore like trichoderma viride and pacilomyces at the basal and spraring of bauveria bassiana spores. your problem comes under control within aweek