50 THE SUGAR-CANE INSECTS OF HAWAII. 
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Copper sulphate, lime, and caustic soda against sugar-cane leafhopper. . ...-..- 22 
Cordyline australis, food plant of Pseudococcus calceolarix.....---------+-+-+++- 43 
Corn, food: plant of Dicranotropis mantissa. 00s. < sore oe = ae 34 
leafhopper. (See Dicranotropis maidis.) 
Crop diversification against sugar-cane leafhopper.......-.-.-.--------------- 26 
Cryptolemus monirouziert, description... ~-.---- -..- 5-52 --2222se- ne e 45 
enemy of Pseudococcus calceolarix........-.------- 45 
Cultural methods against sugar-cane leafhopper. .....-.-----------.------:---- 25-26 
Cutting and burning against sugar-cane leafhopper...-.----------------------- 22-28 
Gutworms mjurious to sugar Cane oo 2c sate oa atte 46 
Danthonia, food plant of Pseudococcus calceolarix.......-..-.----------------- 43 
Delphax saccharivora on sugar cane in West Indies..........------------------ 34 
Diatrza saccharalis, sugar-cane pest, comparison with Rhabdoenemis obscurus... 35-36 
Dicranotropis maidis on corn in Southern States. ...-..--.----.---.----------- 34 
vastatriz; sugar-cane pest in Java. ....2 22... -----2--2+---2 Se 34 
Diseases of sugar cane, spread by Perkinsiella saccharicida. .......----.--------- 19 
Diversification of crops against sugar-cane leafhopper..-....-.-...-.----------- 26 
Ecthrodelphax fairchildii, parasite of Perkinsiella saccharicida........-------- 28, 29, 32 
Elenchus, parasite of Perkinsiella saccharicida...........--..----------+----225 30 
Ereunetis flavistriata, injurious to sugar cane....-.-..--.--------------------- 46-47 
Eumetopina kriigeri, sugar-cane pest in Java.......-----.------------+--++-+--- 34 
Frontina archippivora, parasite of Omiodes accepta and O. blackburni.....-.--- 43 
Fungous diseases of leafhoppers in) Hawail-. 22. ..2-2222-4-..2--- 2-2 32-33 
enemy of Siphanta acuta and Perkinsiella saccharicida.......---.----- 28 
Grass, Hilo. (See Paspalum conjugatum.) 
Johnson. (See Sorghum halepense. ) 
Gryllotalpa africana, injurious to sugar cane. ...-..-----------+-------------- 45-46 
Hand destruction against Hawaiian sugar-cane leaf-roller...........-..-.----- 42 
picking against Hawaiian sugar-cane borer...--...---.---------+-------- 39-40 
Hawalian Islands. climate and location ._--2-"-2.- 53. 2-2 2 oa ee 9 
pugar-Cane-insects!2 2.50. a eS i eee oe oe ee 1147 
AMCUISTEY = ose Sate oes Chere Oe Ce eRe een 9-10 
Heliophila unipuncta, injurious to sugar cane......---.-.--------+--+--+-------- 46 
Honeydew honey in Hawaiian Islands.........-.-------.-.--------- yn -- += 21-22 
Hypochnus, fungus accompanying injury to sugar cane by Perkinsiella sac- 
A TINIU ROR BENE FOae Pisco Ser SS O54 Be aad SU SON cE ER QuoS oS oro ros seuoncS= 18 
Icerya seychellarum, sugar-cane pest in Mauritius......-.-.-.----------------- 43 
Insecticides against sugar-cane leafhopper.........-...-..-------------------- 22 
Insects injuring sugar cane in Hawaiian Islands...........-.--.-.----------- 1147 
Irrigation, excessive, favorable to Hawaiian sugar-cane borer.......----------- 39 
Kerosene emulsion against sugar-cane leafhopper...........-------------+-+4 22 
Leafhopper, corn. (See Dicranoiropis maidis.) 
sugar-cane (see also Perkinsiella saccharicida). 
prey of Xiphidnon varipenne’.- -.. 22.2. <= 6 == eee 47 
Leafhoppers and their natural enemies, bibliographic reference. .....-...--- - 29-34 
Leaf-roller, Hawaiian sugar-cane (see also Omiodes accepta). 
preyed upon by Xiphidium varipenne.....-- 47 
palm. (See Omiodes blackburni.) 
Lecanium krugeri, sugar-cane pest 1n Java........c.022sseee seen ee ee een eee--- 43 
Lime and caustic soda against sugar-cane leafhopper.....-------------------- 22 
copper sulphate, and caustic soda against sugar-cane leafhopper ......-. 22 
Macrodyctium omiodivorum, parasite of Omiodes accepta and O. blackburnt. ...-- 43 
Mealy-bug, sugar-cane. (See Pseudococeus calceolarix.) 
