StellwaaCx (F.). Bericht iiber das Auftreten und die Bekampfung 

 tierischer Weinbergsschadlinge fiir die Jahre 1918 und 1919. 



[Reports on the Occurrence and Control of Insect Pests of Vine- 

 yards in 1918 and 1919.]— Zeitscher. angew. Entont., Berlin, vii, 

 no. 1, September 1920, pp. 192-196. 



In 1918 the chief pests in the Rhine Palatinate were the vine-motlis 

 [Clysia amhiguella and Polychrosis hotrana], in the second generation 

 of which there was, however, a great decrease in numbers owing to th(^ 

 previous dry weather. This generation was combated with arsenicals, 

 nicotine having been used against the first generation. Other pests 

 were the mites, Phyllocoptes and Epitrimerus vitis, Nal., the area of 

 distribution of which was larger than in the preceding year. Owing 

 to pre\'aihng circumstances, preventive treatment was impossible, 

 except tliat a few growers used nicotine-soap in the spring with 

 satisfactory results. Bydisciis heiulae again appeared in considerable 

 abundance, and SparganofJiis (Tortrix) pilleriana seemed to be 

 increasing. 



In 1919 vine-moth injury was more considerable. Arsenicals were 

 used against these pests and saved from two-thirds to four-fifths of the 

 vintage. Mites seemed to have increased, Eriophyes {Phytoptus) vitis 

 being noticed in many localities. 



Zur Verwendung von Arsenmitteln im Weinbau. [The Use of Arsenic 

 Preparations in Viticulture.] — Zeitschr. angew. Entom., Berlin, 

 vii, no. 1, September 1920, pp. 197-198. 



The German Viticultural Association asks that the use of arsenicals 

 be freely permitted instead of hindered by such recommendations as 

 that issued by the Imperial Biological Institute for Agriculture and 

 Forestry. 



MoRSTATT (H.). Weitere Beobaehtungen iiber das Auftreten der 

 WoUaus in Aegypten. [Further Observations on the Occurrence of 

 Pseitdococcits perniciosits in Egypt.] — Zeitschr. angew. Entom., 

 Berlin, vii, no. 1, September 1920, pp. 197-198. 



This is a record of the author's observations on Pseiidococcus 

 {Dactylopius) perniciostis, Newst. & Willcocks, on Alhizzia [lebbek] in 

 Cairo [R.A.E., A, i, 121 ; ii, 146]. Where the trees are near water, 

 there is every reason for expecting success from measures consisting 

 in lopping off infested branches, cutting back the trees, and 

 washing them once a week with a fire hose until the winter. The 

 authorities are, however, gradually replacing the trees with immune 

 species. 



LiNDiNGER (L.). Die Belastigung der Obsteinfuhr durch die San- 

 Jos^-Schildlaus-Gesetzgebung vom wissenschaftlichen Standpunkt 



aus. [A Scientific View of the Hindrance to Fruit Importation 

 by the San Jose Scale Legislation.] — Zeitschr. angeia. Entom., 

 Berlin, vii, no. 1, September 1920, pp. 205-207. 



The author, who is chief of the Zoological Division for Plant Pro- 

 tection in Hamburg, criticises the San Jose Scale Law. Its operation 

 will not prevent the importation of fruit infested with Aspidiotiis 

 Perniciosus into Germany, the introduction of which by means of fruit 



