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198 A MANUAL OF DANGEROUS INSECTS. 



completely covered by spittle within which they suck on the juices of the plant. 

 Eggs elongate, oval, laid separately in incisions in dead or withering cane leaves. The 

 other two species are similar to T. varia. (See plate xlii.) 



Distribution: T. varia, Trinidad; T. postica, Mexico; T. lepidior, Panama. 

 Urich, F. W. Board of Agriculture, Trinidad and Tobago. Cir. 9, 1913, 45 pp., 



9 pis., 7 text figs. 



Perklnsiella sacchariclda Kirkaldy. 



(Sugar-Cane Leafhopper. Fulgoridse; Hemiptera.) 



Host: Sugar cane. 



Injury: Very serious drain on the vitality of the plant due to sucking of the juices. 

 Liable to transportation on seed cane. 



Description and biology: A small yellowish leaf hopper differing in the various 



stages mainly in the development of 

 the wing pads. Eggs laid in slits 

 in the epidermis of the leaves and 

 stalks of cane. The insect in all stages 

 sucks the juices of the plant. (See plate 



XLIII.) 



Distribution: Hawaii, Australia. A 



„ ,,, „,.-,. „ T', ,0, large number of this species were cap- 



FiG. 91.— West Indian Cane Flj- (S^ejiocronws soc- ° . . . ^ 



charivom): Adult. (TJaiiou.) t^red in quarantine m shipments re- 



ceived at Washington from Hawaii. 

 Van Dine, D. L. Hawaii Agric. Exp. Sta., Bui. 5, 1904, 29 pp., 8 figs. 



Stenocranus saccharivora Westwood. 

 (West Indian Cane Fly. Fulgoridse; Hemiptera.) 



Host: Sugar cane. 



Injury: Very serious drain on vitality of plant due to sucking juices. Liable to 

 transportation on seed cane. 



Description and biology: A little yellow leafhopper differing but little in the various 

 stages. It is not often a serious pest but at times does much damage. (See text fig. 94.) 



Distribution: West Indies. 

 Bassieres, Eugene. La Sucrerie Indigene et Coloniale, Paris, 1912, vol. 79, pp. 



27-32. 



Entochlra lateralis Bohoman. (Holanlara picescens Fairmaire). 



(The Bibitkever. Tenebrionidae; Coleoptera.) 



Hosts: Sugar cane, tobacco. 



Injury: Bores in the stalks, causing much damage. It can easily be transported in 

 seed cane. 



Description and biology: Adult beetle about 6 mm. long, black, with a brown metallic 

 luster on the elytra. Pupa white, oval, acute at apex with many spiny tubercles on 

 sides of abdomen. Larva an elongate brown wireworm with pointed apex, 10-11 mm. 

 long. Bores in the stalks of cane near tlie nodes, and also bores in tobacco stems. 

 Eggs less than 1 mm. long, oval, almost spherical. 



Distribution: Java. 

 Van Deventer, W. Handboek voor de Suikerriet-cultuur, Java, 1906, vol. 2, pp. 



53-58, pi. 7. 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 494. 



