52 EXPERIMENT STATION RECORD. [Vol.43 



trunk, the otli(>r tlio leaves and blossoms. They are destroyed by three appli- 

 cations of rosin wash do iral.) and Incosopol (8 lbs.). 



[Entomological work in the Konkan Division of Bombay Presidency, 

 1917-18], V. G. GoKHALE (Bombay Dept. Agr. Ann. Rpt. 1917-18, pp. 62, 

 63). —These notes relate particularly to the insect pests of rice, coconut, and 

 the mango. Twelve species were observed to attack rice, of which three, 

 namely, tlie rice stem borer (Schoenobius biptinctifer) , an insect causing " nal " 

 disease, and a hairy caterpillar which cuts the ear heads, caused serious injury. 



In the North Konkan ,S'. bipunctifer hibernated in the rice stubble until the 

 beginning of the following monsoon. It caused a damage of 30 to 40 per cent 

 to the late varieties of the monsoon crop in the low-lying fields near 

 Ratmlgiri. 



Division of entomology, C. H. Knowles (Fiji Dept. Agr. Ann. Rpt. 1919, 

 pp. 12-15). — Notes are presented on the insects attacking coconut, cacao, 

 banana, citrus, etc. A species of Aspidiotus is said to be a source of serious 

 injury to the coconut palm; a leaf miner (Promecotheca reichii) attacks coco- 

 nut, but is held in check by a chalcid parasite; the Japanese rose beetle (Ado- 

 retvs iennimxt (■Hiatus) continues to attack cacao leaves and sometimes causes 

 the death of young trees; and the banana borer (Cosmopolites sordida Chevr.) 

 is said to have been a very serious pest during the period under report. A 

 predacious histerid beetle (Plwsius jar anus) which attacks and checks C. 

 sordida in .Java, was introduced into Fiji. 



Notes on the more important insects in sugar cane plantations in Fiji, 

 R. Veitch (Bui. Ent. Research, 10 (1919), No. 1, pp. 21-39, figs. S).— The 

 author concludes that the cane beetle borer (Rhabdocnemis obscura Boisd.) ; 

 the sugar cane mreworms, of which there are several species, particularly 

 Simodoctylus cinnamomcus Boisd. ; and white grubs, particularly Rhopwa vestita 

 Arrow and R. subnitida Arrow, are the most important pests occurring in sugar 

 cane fields in Fiji, each constituting an entomological problem of great im- 

 portance. Other pests mentioned which are of minor importance include the 

 small cane beetle boi'er (Trochorrhopalus strangulatus Gyl.), the rose beetle 

 (Adoretus versutus Har.), several army worms ([Cirphis'\ HeliopJiila unipuneta 

 Haw. and H. loreyi Dup.), the moth borer of cane (Trachycentra chlorogramma 

 Meyr.), and the cane leaf miner (Cosmopterys n. sp.), the leaf-hopper PcrJcin- 

 siella vitiensis Kirk., the cane aleyrodid (Aleyrodes comata Mask.), the cane 

 mealy bug (Pscudococcus bromeliw Bouche), and locusts (Locusta dani^a L. and 

 CyrtacanfJiacris (juttvJosa Walk.). Other insects mentioned are the Mauritius 

 bean army worm (Prodenia litura F.), the hornet Polistes m<icwnsis F., and 

 the IMauritius bean bug (Brachyplatys pacificvs Dall.). The white grub para- 

 site Scolia manilw Ashm. has been introduced into Fiji from Hawaii. 



Tobacco pests of Rhodesia, R. W. Jack (Rhodesia Agr. Jour., 16 (1919), 

 No. 6, pp. 5Jf2-^48, pis. 5; 17 (1920), No. 1, pp. 28-33, pis. 5).— In this revision 

 of an earlier work' on the principal insect enemies of tobacco in Rhodesia the 

 pests dealt with are four species of cutworms, particularly Euxoa segetis 

 Schiff. and Agrotis ypsilon Rott., an account of which has been previously 

 noted (E. S. R., 41, p. 62), the stem borer (Phthorim/Fa heliopa Lwr. ). the 

 potato tuber worm, the bollworm, Lcphygma exigua Hubn. and Prodenia litura 

 F., surface beetles, wireworms, grasshoppers, crickets, and the root gall worm 

 (Hetcrodera radicicola) . 



It is pointed out that the principal tobacco insects in Rhodesia are those 

 which cause injury to the seedbed and newly transplanted plants. 



» Handbook of Tobacco Culture ([Salisbury, Rhodesia: Dept. Agr.], 1913). 



