556 EXPERIMENT STATION RECORD. 



the means of its dissemination outlined. It may be fought by destroying the 

 eggs, using burlap, spraying, applying sticky bands, and general cleaning work. 



The work of extermination in Rhode Island has given promising results, and 

 the author recommends that in the future the campaign be one of extermination 

 rather than suppression. 



Brief economic and biological notes are also given on brown-tail moth. 



The more important Aleyrodidas infesting economic plants, with descrip- 

 tion of a new species infesting the orange, A. L. Quaintance ( U. S. Dept. 

 Agr., Bur. Ent. Bui. 12, tech. ser., pt. 5, pp. 89-94, pl. 1, figs. 2). — Mention is 

 made of the Aleyrodidse which attack the tobacco, sugar cane, orange, cotton, 

 cocoanut, custard apple, strawberry, cabbage, greenhouse plants, species, of 

 Rubus, currant, peach, plum, fig, etc. Aleyrodes howardi is described as a new 

 pest of the orange. 



The scale insects of fruit trees, J. P. Bounhiol (Ecole Agr. Alger. Maison- 

 Can-ee, Inform. Agr. Bui. S, pp. 16, pis. .2). — Notes are given on the life history 

 of species of Lecanium, Aspidiotus. Dactylopius, etc. Formulas are presented 

 for the preparation of petroleum emulsion, soap mixtures, lime and sulphur and 

 for fumigation with hydrocyanic-acid gas. 



Number of molts of the female of Dactylopius citri, R. Matheson (Canad. 

 Ent., 39 {1901), No. 8, pp. 284-287 ) .—The literature relating to this species is 

 critically reviewed. The author describes in detail the nymphal and adult 

 stages of the insect. 



The San Josd scale and remedies, F. Sherman, Jr. {Bui. N. C. Dept. Agr., 

 28 {1907), yo. 5. pp. 62, figs. 1.5). — The San Jose scale is described in its vari- 

 ous stages and an account is given of its history in North Carolina. A list 

 of food plants is presented in connection with recommendations of remedies. 

 The suggested remedies include lime-sulphur wash and a proprietary insecti- 

 cide. It is believed that a combination of these may be used to advantage. 



The San Jose scale in North Carolina, F. Sherman, Jr. (Bui. N. C. Dept. 

 Agr., 28 {1907), Xo. 6, pp. IS, figs. 2). — A detailed statement is given of the pres- 

 ent distribution of the San Jose scale in every county of North Carolina where 

 it occurs. 



The fruit maggot fly pests, G. Quinn {Jour. Dept. Agr. So. Aust., 10 {1907), 

 No. 11, pp. 701-710, figs. 14). — Mention is made of the habits of Tephritis tryoni. 

 T. psidii, Trypeta ludcns, T. pomonella, Dacus olecr, Ccratitis capitata, etc. 

 The remedies thus far devised for these pests are not very satisfactory. A 

 poisoned bait used in Italy has given fairly good results. Kerosene appears to 

 exercise an attraction for the fruit flies and may, therefore, be used to trap 

 them. 



The fruit fly, C. P. Lounsbury {Agr. Jour. Cape Good Hope, 31 {1907), No. 2, 

 pp. 186, 187). — In 1896, Ceratitis capitata was more injurious than ever before. 

 The pest may be controlled by spraying the trees with a preparation of arse- 

 nate of lead (1 lb. per 2.5 gal. water and 2 gal. of molasses). The maggots of 

 the fruit fly are destroyed by cold storage. Infested peaches stored for 3 

 weeks at a temperature of 38 to 40° F. were found to contain no live maggots. 



Combating the olive fly, P. Marchal {Bui. Mens. Off. Renseig. Agr. [Paris], 

 6 {1907), No. 8, pp. 927-931). — Two general methods have been proposed for 

 controlling Dacus olew. These are spraying with a mixture of molasses, honey, 

 glycerin, and arsenate of soda, and improved cultural operations. The harvest 

 should be completed in April, and olives should not be planted alone in orchards 

 but rather with almonds, figs, and other trees. Unimproved olive trees should 

 be destroyed or grafted and cared for. 



Experiments in the treatment of grape vines for phylloxera, P. C. Mestre 

 {Rev. Agr,, Vit. et Hort., 1907, Nos. 77, pp. 169-172; 78, pp. 178-182; 80, pp. 



