Observations on insects attacking sorghums

[1] FORBES SA, 1905, 23 STAT ENT ILL, P169

[2] HAYES WP, 1920, KANS AGR EXP STA TEC, V7, P3

[3] MALLY FW, 1893, USDA DIV ENT B, V29, P1

[4] The corn leaf aphis (Aphis maidis Fitch) in Kansas [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1921, 14 : 89 - 94

[5] Quaintance A. L., 1905, U S Department of Agriculture Bureau of Entomology Bulletin, VNo. 50

[6] RILEY WV, 1882, 1881 1882 COMM AGR, P187

[1] FORBES SA, 1905, 23 STAT ENT ILL, P169

[2] HAYES WP, 1920, KANS AGR EXP STA TEC, V7, P3

[3] MALLY FW, 1893, USDA DIV ENT B, V29, P1

[4] The corn leaf aphis (Aphis maidis Fitch) in Kansas [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1921, 14 : 89 - 94

[5] Quaintance A. L., 1905, U S Department of Agriculture Bureau of Entomology Bulletin, VNo. 50

[6] RILEY WV, 1882, 1881 1882 COMM AGR, P187