ECONOMIC ZOOLOGY — ENTOMOLOGY. 761 



It is thought that a thorough spraying in August with arsenate of lead will 

 greatly reduce the infestation. The packing shed and drying ground should be 

 removed some distance from the walnut grove. 



The codling' moth (Agr. Jour. Cape Good Hope, 35 {1909), No. 5, pp. .585- 

 593, fig. 1). — This pest is said to occur in most of the districts of Cape Colony 

 and to have spread north into or otherwise become established in Bechuana- 

 land, the Transvaal, and the Orange River Colony. 



The codling moth in the Transvaal, C. B. Hardenbeeg (Transvaal Agr. 

 Jour., 8 (1910), No. 32, pp. 635-6^0, pis. 2).— It is stated that this pest appears 

 to have gained a foothold in the Transvaal and that wormy apples and pears, 

 and in certain cases quinces, are becoming a common sight in the markets and 

 fruit stores. 



The cochylis, P. Maisonneuve, L. Moreatj, and E. Vinet (Rev. Vit., 32 

 (1909), Nos. 820, pp. 253-258, figs. 2; 821, pp. 291-29-',. figs. 2; 833, pp. 623-630, 

 figs. 2). — A contribution to the life history of Cochylis ambiguella. 



[Combating the cochylis], P. Maisonneuve, L. Moreau, and E. Vinet (Rev. 

 Vit., 31 (1909), Nos. 795, pp. 261-264; 796, pp. 298-301; 797, pp. 325-331; 798, 

 pp. 356-360; 799, pp. 385-389; 800, pp. 416-1,21; Prog. Agr. et Vit. (Ed. VEst- 

 Centre), 30 (1909), Nos. 10, pp. 30-',-309; 11, pp. 327-330).— A report of experi- 

 ments with insecticides conducted during 1008. 



Characteristics and habits of the bud moth, A. L. JIelander (Better Fruit, 

 4 (1910), No. 10, pp. 31, .32).— The bud moth is thought to have first been intro- 

 duced into the Northwest in 1893, as it was discovered that year at Genessee, 

 Idaho, on nursery stock from New York. Shortly after, it was discovered in 

 a number of districts in western Washington, and recently it has invaded many 

 of the apple-growing districts in the eastern part of the State. 



"Although the bud moth did not gain a foothold at Genessee, it has become 

 acclimated west of the Cascades. There is scarcely an orchard, apple, plum, 

 cherry or peach, that does not show signs of its work, so rapidly has it spread. 

 The insect also occurs in British Columbia, western Oregon, and presumably 

 even in California. Eastward it has not spread so rapidly. It is not consid- 

 ered a pest in Idaho, and Colorado fruit growers do not have to contend with 

 it. However, in the northeastern States and in Canada it is a troublesome pest, 

 having been introduced there from Europe many years ago." 



Notes on variation in duration of similar periods of embryonic develop- 

 ment: Its bearing on the theory of effective temperatures, A. A. Girault 

 (Bui. Wis. Nat. Hist. Soc, n. ser., 8 (1910), No. 1. pp. 11-20. figs. 8).— Observa- 

 tion of the embryonic development of the peach-borer are reported. 



A case of possible parasitism in the Lepidoptera, R. H. Pettit (Rpt. Mich 

 Acad. Sci., 10 (1908), p. 161). — The author presents evidence which indicates 

 that Tinea pellionella is parasitic on the tomato-worm (Phlegethontiits sctta). 

 Mention is made of one other instance of true parasitism in the Lepidoptera, 

 that of Euclemensia hassettella, which works inside one of the oak coccids of 

 the genus Chermes. 



New Central American microlepidoptera introduced into the Hawaiian 

 Islands, A. Busck ( Pror. Ent. 8oc. Wash., 12 (1910). No. 3, pp. 132-135).— 

 Crocidoscma lantana and Crcmnstohomhiicia lantanrlla. which feed on Lantana, 

 and Cyane terpsirhorella, which evidently breeds more or less as a scavenger, in 

 sugar cane, pinea[ti)l('S, and bananas, arc dcscrilKMl as now. 



New species of North American microlepidoptera, C. R. Ely (Proc. Ent. 

 Soc. Wash., 12 (1910), No. 2, pp. 67-73, fig. /).— Two of the species here de- 

 scribed as new, viz, Pcronia hypcrirana and .igonoptcrys hypcrella, were bred on 

 Hypericum proUftcum at Great Fulls, Va. 



