784 EXPERIMENT STATION RECORD. 



Tlu' injury due to ((Mlling; moth has apparently increased (hiring recent years and 

 nii'tliods for eonil)atinj;; tliis insect will l)e investigated. 



Injurious insects of 1903, 1". 1^. Washhuhn (<V. Aim. Rjd. Stale Ent. Minnesota, 

 I!>0.>', pj). XVI -] 1S4, ]il. 1, Jii/s. J J!)). — A general account is given of the insects 

 wlucii jirovetl to be specially injurious in Minnesota during the year 1903. The 

 author ol)tained evidence which he considers as i)roving that there are 2 annual 

 l)roods of the Hessian fly in Minnesota. In combating this insect the author recom- 

 micikIs the usual remedies. 



All outl)reak of chinch l)ugs occurred in Stearns County and caused considerable 

 damage. In controlling this pest it is reconnnended that rubbish be cleaned up and 

 burned and that millet l)e planted in a narrow strip around cornfields in order t(j 

 j)rotect the corn. It is also sugge.sted that corn be planted only at some distance 

 from wheat and barley. Notes are given on injuries from grasshoppers, together 

 with a copy of a law i)assed by the Minnesota legislature regarding the destruction 

 of grasshopiJers. A test was made of the Criddle mixture in poisoning grasshoppers, 

 with fairly satisfactory results. Some farmers who have used this mixture report 

 success, while others failed to see any good results from its use. 



Notes are also given on the quality of Paris green sold in Minnesota and on a large 

 nund)er of insects injurious to orchards and nurseries. These insects are arranged 

 according to a key for identification, based largely on a scheme proposed by W. Loch- 

 head. The chief features of the inspection laws of various States are mentioned and 

 notes are given on grain plant lice, squash l)Ugs, cutworms, potato beetles, cock- 

 roaches, ants, carpet beetles, granary insects, etc. Formulas are also presented for 

 the preparation of the more important insecticides and fungicides. 



The monthly bulletin of the Division of Zoology, H. A. Subface {Pennsylva- 

 nia Slate Depl. Acjr., Mo. Bui. Div. ZooL, 1 {1904), Xo. 10, x)p. 32, ■pis. 2). — Brief notes 

 are given on remedies for the control of San Jose scale and other injurious insects 

 and plant diseases, together with an account of lime-sulphur-soda wash, and notes 

 on the economic value of birds. 



Some entomological notes, F. F. Ckevecceltr {Ent. News, 14 {1903), No. 2, pp. 

 47-50). — Notes are given on the prevalence and distribution of insects in Kansas. 

 The author states that his collection of insects has suffered greatly from the attacks 

 of museum pests. After trying many remedies for these pests the best success was 

 had in fumigation with hydrocyanic-acid gas. The pest which caused most trouble 

 was Trogoderma tarsale. 



Agricultural pests in the Government of Tomsk in 1902, V. Soldatov 

 {SeM: Khoz. % Lijesov., 211 {1903), Dec, pp. 600-644). — The author discusses the 

 influence of rainfall and other climatic conditions upon the prevalence of injurious 

 insects. The insects to which most attention was given in these studies were locusts 

 and various species of cutworms and related Lepidoptera. 



The enemies of agriculture, A. L. Herrera {Las plagas de la Agricidtura. 

 Mexico: Miniaerio de Fomento, 1902, jip- 627-705, figs. 27). — This number completes 

 the author's handbook on the subject of insect and fungus enemies of agriculture, 

 and includes a discussion of the enemies of tobacco, grapes, and rice. 



Insect pests of coffee in South India, H. M. Lefroy {Dept. Agr. India Bid. 2^ 

 pp. 19). — The chief insect pests of coffee in India belong to the family Coccidag. 

 Some of these pests injure the shade trees of coffee while others attack the coffee 

 plant directly. Among the insects injurious to shade trees of coffee, mention is made 

 of Pulrinaria jjsidii, Lecanium imbricans, and L. ejpansinn. The pests of coffee to 

 which chief attention is given are mealy bug, Lecanium hemispluericum, L. riride, 

 Xylotrechus quadripes, and Zeuzera coffex. Formulas are given for the pre]mration of 

 kerosene emulsion, resin wash, tobacco and soap washes, and a mixture of lime and 

 sulphur. 



