980 EXPERIMENT STATION RECORD. 



~i PP- -^> ^)- — Notes are given on the habits, Hfe history, and means of combating a 

 number of scale insects which occur in the carob tree in Cyprus. The most impor- 

 tant scale insects on this tree are Lecanium ceratoniae, Mytalaspis ceralonise, Aspidiotus 

 ccr<il(iiii;r, and Aonidin. aurant'd. 



The Coccidse of Kansas, S. J. Hunter (Univ. of Kavsax, pp. XI \ 80, }>U. 20, fig. 

 1). — In this volume the author has brought together a series of 4 articles on the 

 Coccid.f of Kansas. A brief introduction on the study of scale insects is added and 

 also an index. 



"Winter spraying for the apple aphis, J. M. Aldkuii {Idalio SUt. Bid. 40, pp. 

 273-2SS, fig. l). — Two species of apple aphis are noted as occurring in Idaho, viz, 

 A]>his sorfn and A. pomi. The latter is the only one which is sufficiently common to 

 be of economic importance. It apparently does not occur in Idaho upon any wild 

 shrubs or plants. The eggs in this State are laid in October and November and 

 hatch toward the last of April. 



Spraying experiments Avere carried out for the purpose of finding, if possible, a 

 satisfactory treatment for the winter eggs. In these experiments the following sub- 

 stances were used: Pure kerosene, kerosene emulsions of different strengths, sulphur 

 and lime made by different formulas, and a 10 ])er cent crude-petroleum emulsion. 

 The application of these insecticides was made on April 16 and an examination of 

 the orchard on May 7 indicated that the most successful remedy was the sulphur- 

 lime wash in 1:1:4 proportion. Pure kerosene injured the trees, but destroyed all 

 the eggs. Kerosene emulsion injured the foliage somewhat and did not kill all of the 

 eggs. In case of slight infestation or small trees the eggs may be destroyed by 

 crushing with the hand or by dipjiing the branches in a pail nearly full of a quassia 

 and whale-oil soap solution, or a similar insecticide. 



The woolly aphis, C. Fuller (N(dal Agr. Jour, and Min. Rcc, 7 {1904), Xo. 3, 

 pp. .241-:24i), pi. l,figs. 3). — The author discusses the habits and life history of this 

 insect with especial reference to the injury which it causes to apjile trees. In com- 

 bating the aerial form of the pest, the author recommends kerosene emulsion; for 

 the underground form, tobacco dust and hot water have proved effective. 



Means of combating rose aphis, A. Hempel {Bol. Agr. Sao Paido, 4- sir., 1903, 

 No. 12, pp. 558, 559). — Brief notes are given on the use of sheep dips, creolin, 

 kerosene emulsion, etc., in destroying SipJionopJiora rosse. 



Two enemies of orange trees, A. Hempel (Bol. Agr. Sao Paulo, 5. ser., 1904, 

 No. 1, pp. 10-21, figs. 5).— Descriptive and economic notes are given on Aleurodes cUri 

 and A. horridus. The usual treatments which have proved successful in combating 

 these insects are recommended and notes are given on the parasitic insects and 

 fungus diseases which assist in controlling the pests. 



Experiments in the control of the olive fly, A. Berlese (Bol. Uffic. Min. Agr., 

 hid. e Com. lliome'], 2 (1904), No. 1, pp. 46-75). — A detailed account is given of the 

 distribution and injuries caused by this fly in Apulia. The injurious attacks of 

 various scale insects are also described, especially those of Lecanium olex. The 

 injuries due to scale insects are sometimes attributed to the olive fly. In controlling 

 the latter species, the author recommends the destruction or insecticidal treatment 

 of infested olives, together with the use of arsenical sprays. 



Lysol and its use in controlling the phylloxera ( Chron. Agr. Canton Yaud. 

 17 {1904), No. G, pp. 203-205). — Attention is called to the exceedingly satisfactory 

 results Avhich have followed the use of lysol in controlling phylloxera. 'Several 

 badly infested vineyards have been entirely freed from this pest by spraying the 

 trunks of the grapevines for three seasons. The chief advantage in this method 

 consists in the fact that the winter eggs of the insect are destroyed and this obviates 

 the necessity of applying treatment to the underground form of the insect. 



The grape leaf hopper (Typhlocyba comes), M. V. Slingerland {N. Y. Cor- 

 nell Sta. Bui. 215, pp. 82-102, pis. 9, figs. 4). — This insect appeared in unusually large 



