1152 EXPERIMENT STATION RECORD. 



30). — A general account of (Iiis iuscd iiuiiidiiiLC its nalni-al ononiios and methods 

 of control. 



The fruit-infesting- forms of the dipterous g'enus Rhagoletis, with one new 

 species, J. M. Ai.dkicii ((Uuind. IJnt., '// (1!)0!)). No. 2, pp. (i'.l-l.i. /if/. ]). — 

 "Notes and a table arc j^iveii for tlii' separatiim of the species of this j^enns of 

 fruit fli(>s. 



Annual report of the chief orchard inspector, T. Hooper (Jour. Dept. Agr. 

 ires/. Amt., 11 {1908), No. 6, pp. !)33-93.5).—A remarkable reduction from that 

 of the previous year is rejmrted in the quantity of fruit destroyed by the fruit 

 fly. The use of kerosene for the destruction of these flies is considered as a 

 valuable discovery, as many flies have been destroyed by it. A brief account 

 is .siven of the more important orchard insects of the yt>ar. 



Observations on the oviposition of CEcanthus quadripunctatis Beuten- 

 miiller, .J. P. Jensen {Ent. Neics, 20 {VJO't). No. I. pp. 25-28, pi. /).— Injury to 

 blackberry and raspberry canes is said to be due to O. quadripunctatis and not 

 to O. niveus. 



The woolly aphis of the apple tree, J. K. Inda {E.^tac. Afjr. Cent. [.Ue.cico], 

 Cire. 2, pp. 6, pi. 1). — This is a general account including remedies for 

 l^c]iizoii('M)-a Jairigcra. 



The apple blossom weevil, AY. E. Collinge (Jour. lid. Agr. [London], J5 

 (1008), No. 9, pp. 67 '/-6'7<S ) . — An account of the life history and bionomics and 

 of preventive and remedial measures for Anthononius poniorum. 



[The olive fly and methods of control] (Ann. Agr. \ltalg]. 1908, No. 256. 

 pp. 3Jt-79). — In the proceedings of the annual meeting of the Consultative 

 Commission of Olive Culture and Oil Manufacture, reports are given by Profs. 

 Beriese, Silvestri, and others on investigations of the value of parasites, 

 sweetened arsenicals. etc., in combating the olive fly and Lccanium olcw. 



Some new and undescribed insect pests affecting cocoa in West Africa, 

 W. M. (Jkaiiam (Jour. Econ. Biol., 3 (1908), No. '/, pp. 113-117. pl>t. 2. fig. /).— 

 A capsid belonging to an undetermined genus, VliriiplKtlu.s horridus, and 

 Ccratiti.s anona; are described as new to science. 



On a new species of Kermes destructive to oak trees in North India, E. E. 

 Green (Ent. Mo. Mag., 2. ser., 20 {1909), No. 229, pp. 10-12, figs. //).— The 

 species here described (Kcrmc.'^ Irimalaijcnsis) is rei)orted as killing oaks 

 (Qucrcus incana) over a considerable area. 



The large larch sawfly, C. (i. Hewitt (Jour. lid. Agr. [fjindon], 15 (1908), 

 No. 9, pp. (iJi9-660, pi. 1, map 1). — The author here considers the life history of 

 Ncmatu-s crichsonii. the nature and effects of its attack, its occurrence, natural 

 enemies, and remedial and preventive measures. Birds and the field vole 

 {Microtus \Arricol(i\ af/rcstis) are reported to be the most important factors 

 iu the natural control of this i)est. In two lots of cocoons examined. 3.4 and 

 9.5 per cent, respectively, were found parasitized by the ichneumon Mesolcius 

 aulicus. 



The Monterey pine resin midge (Cecidomyia resinicoloides n. sp.), F. X. 

 Williams (Etit. News, 20 (1909), No. I, pp. 1-8, pi. /).— The author Ikere 

 presents an account of the life history and habits of a species new to science. 



Biological studies on bark beetles, C. Hennings (Naturw. Ztsclir. Forst u. 

 Landw., 5 (1907), A'o.s-. /. iip. (U;-75; 2, pp. 97-125; 12, pp. 602-608, fig. 1; 6 

 (1908), No. 9, pp. .'i69--'i8(>, fig. /).— In part 1 of this report the biology of 

 Tomicus tjjpographus is considered. In part 2, Ip.^ typographua, I. sexdentatus, 

 and Mgclophilus pinipcrdn are briefly considered. Part 3 has been previously 

 noted (E. S. R., 20, p. 559). Part 4 .is devoted to a discussion of the life 

 histories and feeding habits of bark beetles. 



