22 



(3) Spring-sown wheat was considerably more infested than barley, 

 the " Chludovsk " variety showing the greatest, and the local variety 

 the least infestation. (4) Amongst winter-sown wheats, the loca 

 variety also suffered less ; and the better developed plants were 

 more attacked. 



Brizovsky (A.). flSjiOHeeafl wieflflHHua m en yHUHToweHie. [Psylla 

 mali and its destruction.] — « Hauie X03flHCTB0.» [Our Hus- 

 bandry], Eletz, no. 13, 28th July 1915, pp. 12-16, 7 figs. [Received 

 12th November 1915.] 



The various stages of Psylla mali are figured and described. The 

 larvae live only on apple and pear trees, whereas the adults are found 

 on many other trees, such as plums, apricots and cherries, on which, 

 however, they have not been observed to oviposit. The eggs hibernate 

 and the larvae appear in the spring and attack the buds ; as they hatch 

 before the buds have unfolded, they are compelled to pass two or three 

 days on the surface of them and this opportunity for carrying out 

 spraying operations should not be missed. 



ZviEREzoMB-ZuBKovsKY (E.). AM6apHbiii flonroHOCMKij M 6opb6a CT> 



HMMli. [Calandra granaria, L., and its control.] Published by 

 the Kiev Entomological Station of the South-Russian Agricultural 

 Syndicate. Kiev, 1915, 9 pp., 8 figs. 



This is a pamphlet giving the usual information on the life-history 

 of Calandra granaria, L., and the remedies for it. 



Jakovlev (L. N.). Ko6binKa btj 3ivitiiHoropcKOMi> ytsAt Tomckom 

 ryOepHJM M MeiOflbl 6opb6bl C"b Heil. [Locusts in the Zmeinogorsk 

 district of the govt, of Tomsk and methods of their control.] 

 — «GM6MpCK0e Ce/lbCKOe X03flilCTB0.» [Agriculture of Siberia], 

 Tomsk, nos. 17 and 18, September, 1915, pp. 532-535 and 564-566. 



Locusts during the last 20 or 30 years have appeared yearly in 

 Eastern European Russia and in Siberia. Serious outbreaks are 

 connected with dry years, and if the autumn of a dry year be also dry, 

 there is every reason to expect a large outbreak in the following year. 

 In 1915, they were present in large numbers in parts of the government 

 of Tomsk. Starlings were observed to destroy much larger numbers 

 than rooks, ravens, honey-buzzards and other birds, which only pick 

 up as many as they can eat. Gulls were also very useful in destroying 

 them. The author gives a list of the species found during the summer, 

 using their Russian names, which probably represent the following :— 

 Gomphocerus sibiricus, L. ; Bryodema tuberculata, F. ; Stenobothrws 

 morio, L. ; Tmethis muricata. Pall. ; Stethophyma fuscum. Pall. ; 

 and Arcyptera flavicosta, Fisch. Some 7,700 acres of crops were 

 destroyed in the district. The author is of opinion that a large out- 

 break of locusts may be expected again next year and urges the necessity 

 of organising a systematic campaign against them. 



