50 THE SUGAR-CANE INSECTS OF HAWAII. 
Page. 
Copper sulphate, lime, and caustic soda against sugar-cane leafhopper........ 22 
Cordyline australis, food plant of Pseudococcus calceolarix...............-----.- 43 
Corn, food plant of Dicranotropis mardiss 5 = ee 34 
leafhopper. (See Dicranotropis maidis.) 
Crop diversification against sugar-cane leafhopper.-.-.............:..-- Ree 26 
Crypiolemus MontrOouUcrerd ne QESCTIP LION. 35 ee eee ee 45 
enemy of Pseudococcus calceolariz.............--.- 45 
Cultural methods against sugar-cane leafhopper-......-.-........-...........+ 25-26 
Cutting and burning against sugar-came leathopper----2-.-.-...2--2-. 2 -* ees 
CutwOrms InjUPIOUS tOSUSaT CANC soe 6 ee ae eee ee ce ena 46 
Danthonia; -tood- plant of Pseudococcus calecolanie== soe ee 43 
Delphax saccharwora on sugar cane in West Indies: = se 295". 522-5 ae 34 
Diatrzxa saccharalis, sugar-cane pest, comparison with Rhabdocnemis obscurus... 35-36 
Dicranotropis maidis on corn in Southern States... ..-........2-.....:...2..--: 34 
vastatrix, Oe ee oe nee a4 
Diseases of sugar cane, spread by -Rerkinsiella*saccharicida epee ee 19 
Diversification of crops against sugar-cane leafhopper.......-..-.....---.-- 26 
Ecthrodelphax fairchildu, parasite of Perkinsiella saccharicida..........--.--- 98, 29, 32 
Elenchus; parasite of Perkinstellassaccharicidass== 5 2ssn 9 ee 30 
Breunetis jlavistriata, myurious-to;sugar Caner = sss eee 46-47 
Eumetopina kriigeri, sugar-cane pest in Java.........---.---- ipeeme so) 34 
Frontina archippivora, parasite of Omiodes accepta and O. Sieroter. AER See 48 
Fungous diseases of leafhoppers i IM Ha wail 22cces 52 ae See eevee oe ee eee 32-33 
enemy of Siphanta acuta and Perkinsiella saccharicida.............-.-- 28 
Grass, Hilo. (See Paspalum conjugatum. ) 
Johnson. (See Sorghum halepense.) 
Gryllotalpa africana, injurious tO susar Cane] 22 es see | ee 45-46 
Hand destruction against Hawaiian sugar-cane leaf-roller............-.......- 42 
picking agaist Hawaiian sugarcane Doret.----- 4-25.54 455 see. 3940 
Hawanan Islands, climate and location: 32. < ce ee ee ee eee 9 
SUSAT-CANC THSECLS is es eee le a eo see 1147 
TMG Ustry s e  e eee 9-10 
Heliopiiia unipuncta; injurious to susar cane- 22 52 2-8o 5s. - = 46 
Honeydew honey in Hawaiian Islands-..--<=2. 222-22 2-5 eso) a ee 21-22 
Hypochnus, fungus accompanying injury to sugar cane by Perkinsiella sac- 
CATION. se 2S RSE SS Sn a ee 18 
Icerya seychellarum, sugar-cane pest in Mauritius..............-....------.--- 43 
Insecticides agamst sugar-cane leafhoppers=-<2-22-2 = = ee ee “22 
Insects injuring sugar cane in Hawaiian Islands. ---..-..-......---.--.-+---- 1147 
Irrigation, excessive, favorable to Hawaiian sugar-cane borer..-....-.--..----- 39 
Kerosene emulsion against sugar-cane leafhopper.............-...--..------- 22 
Leafhopper, corn. (See Dicranoiropis maidis.) 
sugar-cane (see also Perkinsiella saccharicida). 
prey of Xvphdium varipenne= 322-3... eee 47 
Leafhoppers and their natural enemies, bibliographic reference......-...--.. 29-34 
Leaf-roller, Hawaiian sugar-cane (see also Omiodes accepta). 
preyed upon by Xiphidiwm varipenne.....-. 47 
palm. (See Omiodes blackburni.) 
Eecanwum, krugert, sugar-cane pest 1n Javas.s.---<cse + 52 2. oe ee ee 43 
Lime and caustic soda against sugar-cane leafhopper...-...-...------------ E 22 
copper sulphate, and caustic soda against sugar-cane leafhopper ...-.---- 22 
Macrodyctium omiodivorum, parasite of Omiodes accepta and O. blackburni....-. 43 
Mealy-bug, sugar-cane. (See Pseudococcus calceolariz.) 
