Insect pests of derris

[21] GRIST DH, 1936, MALAYAN PLANTING MAN, P182

[22] Holland T. H., 1931, Tropical Agriculturist, V77, P71

[23] KALSHOVEN LGE, 1930, MEDED I PLANTENZIEKT, V76

[24] Lesne P., 1930, Bulletin de la Societe Entomologique de France Paris, V1930, P102

[25] LIGHT SS, 1928, CEYLON TEA RES I Q 3, V1, P77

[26] *MIDD JAV PROEFST, 1915, MED PROEFST MIDD JAV, V20, P23

[27] Miller N. C. E., 1930, Malayan Agricultural Journal, V18, P541

[28] MILLER N. C. E., 1934, Malayan Agricultural Journal, V22, P367

[29] MILLER NCE, 1934, MALAYAN AG J, V22, P244

[30] MILLER NCE, 1934, MALAYA FED MALAY STA, V14, P34

[21] GRIST DH, 1936, MALAYAN PLANTING MAN, P182

[22] Holland T. H., 1931, Tropical Agriculturist, V77, P71

[23] KALSHOVEN LGE, 1930, MEDED I PLANTENZIEKT, V76

[24] Lesne P., 1930, Bulletin de la Societe Entomologique de France Paris, V1930, P102

[25] LIGHT SS, 1928, CEYLON TEA RES I Q 3, V1, P77

[26] *MIDD JAV PROEFST, 1915, MED PROEFST MIDD JAV, V20, P23

[27] Miller N. C. E., 1930, Malayan Agricultural Journal, V18, P541

[28] MILLER N. C. E., 1934, Malayan Agricultural Journal, V22, P367

[29] MILLER NCE, 1934, MALAYAN AG J, V22, P244

[30] MILLER NCE, 1934, MALAYA FED MALAY STA, V14, P34