19 



to the success of this natural control. 



Taches noires du poirier. [Black spot of the Pear ]-JL ^;^4^nc. 

 Pratique, Paris, xxviii, no. 60, 18th November 1915, p. 622. 



Concentric black spots on the leaves of the pear ^^^^^^^P^^^^^^^ 

 hv the larvae of the Microlepidopteron, Leucoptera {Unnostoma) 

 Mia wh ch Uve in the leaf. On attaming their full growth they take 

 Suge'nnde^ the bark or m crevices on t^ietrmJ. and there spm^^ 

 cocoon from which the adult emerges from April to June. Untested 

 leaves should be gathered and burnt, while the trunk and large branches 

 shouW be pa^^^^^^ with a milk of lime of 20 per cent, strength to which 

 5 per cent, of copper sulphate has been added. 



OmMnaeMbm ypowaii xjionna bt, 1915 roAy. [The expected harvest of 

 cotton lii l9i5.]-«H3BtcTifl fjiaBHaro ynpaBnemfl 3. m 3.» 



\^Mns of the Central Board of Land f^^---^'-f-- -'^^.^^- 

 cHlture], Petrograd, no. 41, 24th October 1915, pp. 1008-1011. 



The information gathered by the Department ^^ Agriculture on^^^^^^ 

 state of the cotton crops m Turkestan up to ^t^^^jf^^ep^^^^^^^^ 

 shows that little damage had been done by ^?^«^^^ Pf *^ . . ^\['^e7^ 

 ^-asnia locusts appeared in small numbers on irrigated helds wmie m 

 TamarkaT slight outbreaks of Tetranychus telanus ^nd Euxoa 

 sZt^Teie recorded. In Ferghana, T. telarin. did serious damage 

 in^some cases ; the cotton Aphid [Aphis gossyjm] was also present. 



Andreiev (I ) 6opb6t C-b WiaMCHMM-b wyKOM-b. [On the control 

 "^ of Cockchafers.]- «JltCHOM mypHani,.» [Forestry Journal], 

 Petrograd, 1915, nos. 6-7, pp. 1032-1039. 



This is a short report on the campaign against Melolontha in the 

 Muran phie forests in Simbirsk in 1913 and 1914. This forest, which 

 ha™ aC o? some 12,700 acres, has of late /-- been heav^^^^^^^^^^^^ 

 with Melolontha hippocastam, so much so that * ^f P^^^^^ 

 impossible to renew the plantations of pmes, e^P^^^^1^7 °" °^^tS Z 

 over<n-own with thick grass. Control measures consist of picking out 

 the kivie during felling or weeding and in collecting the imagines and 

 S^ettX-gTemV boLg water and afterwards either buryin^^ 

 in the soil as a manure or using them as food for pigs. 1^^ l^M'™ 

 was a year in which the adults were numerous, they appeared on the 

 2nd mL and dui'ing that month about five millions of females ^^ele 

 collects and destro'yed at a cost of about £200 over an area of 4 050 

 acres. It is proposed in the future to turn as many pigs as possible 



into the forests. 

 (C231) 



