﻿504 
  

  

  Valch 
  (B. 
  S.). 
  KanycTHafl 
  cobkh 
  btj 
  BonMaHCKOMia 
  ytsAt 
  btd 
  1913 
  

   rOfly. 
  [Barathra 
  brassicae 
  in 
  the 
  district 
  of 
  Voltchansk 
  in 
  1913.] 
  

   « 
  BtojiJieTeHb 
  epeAHTenflxi) 
  cejibCKaro 
  xosflMCTsa 
  m 
  Mtpaxi> 
  

   6opb6bl 
  C"b 
  HMMM. 
  [Bulletin 
  on 
  pests 
  of 
  Agriculture 
  and 
  methods 
  

   of 
  fighting 
  them.] 
  Published 
  by 
  the 
  Entomological 
  and 
  Phyto- 
  

   patological 
  Bureau 
  of 
  the 
  Zemstvo 
  of 
  the 
  Govt, 
  of 
  Charkov. 
  

   Charkov, 
  no. 
  2, 
  March 
  1914, 
  pp. 
  29-33. 
  

  

  Regarding 
  the 
  outbreak 
  of 
  Barathra 
  {Mamestra) 
  brassicae, 
  which 
  

   took 
  place 
  in 
  the 
  district 
  of 
  Voltchansk 
  (government 
  of 
  Charkov) 
  

   in 
  August 
  1913 
  {see 
  this 
  Review, 
  A, 
  i, 
  p. 
  500) 
  and 
  in 
  view 
  of 
  the 
  possibilities 
  

   of 
  a 
  new 
  outbreak 
  in 
  1914, 
  the 
  author 
  paid 
  another 
  visit 
  to 
  the 
  

   threatened 
  area 
  in 
  September 
  last. 
  The 
  results 
  of 
  his 
  digging 
  opera- 
  

   tions, 
  conducted 
  in 
  several 
  parts 
  of 
  the 
  district, 
  showed 
  that 
  no 
  

   caterpillars 
  were 
  present, 
  all 
  having 
  pupated 
  ; 
  the 
  pupae 
  were 
  mature, 
  

   but 
  no 
  signs 
  of 
  the 
  beginning 
  of 
  the 
  development 
  of 
  the 
  imago 
  could 
  

   be 
  observed. 
  Larvae 
  and 
  pupae 
  of 
  Calosoma 
  denticolle 
  were 
  also 
  

   found. 
  He 
  estimates 
  that 
  the 
  average 
  number 
  of 
  caterpillars 
  before 
  

   pupation 
  on 
  49 
  square 
  feet 
  must 
  have 
  been 
  about 
  200, 
  and 
  but 
  for 
  

   the 
  favourable 
  weather, 
  which 
  allowed 
  the 
  plants 
  to 
  recover, 
  this 
  

   number 
  would 
  have 
  been 
  sufficient 
  to 
  destroy 
  the 
  beet-crops 
  entirely. 
  

   He 
  could 
  not 
  establish 
  precisely 
  the 
  percentage 
  of 
  caterpillars 
  destroyed 
  

   by 
  fungus 
  diseases 
  and 
  parasites, 
  but 
  thinks 
  that 
  these 
  factors 
  play 
  a 
  

   very 
  important 
  part 
  in 
  checking 
  the 
  spread 
  of 
  the 
  pest. 
  The 
  number 
  

   of 
  pupae 
  showed 
  a 
  decline 
  in 
  comparison 
  with 
  that 
  found 
  by 
  him 
  

   during 
  his 
  visit 
  to 
  the 
  district 
  in 
  the 
  previous 
  August, 
  which 
  is 
  

   attributed 
  to 
  the 
  influence 
  of 
  birds, 
  principally 
  rooks, 
  starhngs, 
  and 
  

   plovers 
  {Vanellus 
  cristatus, 
  Mejer) 
  as 
  well 
  as 
  to 
  the 
  disturbance 
  of 
  

   the 
  soil 
  connected 
  with 
  the 
  beet-harvest. 
  In 
  many 
  localities 
  harrowing 
  

   the 
  soil 
  was 
  carried 
  out, 
  which 
  also 
  served 
  to 
  destroy 
  the 
  pupae. 
  The 
  

   author 
  concludes 
  that 
  a 
  serious 
  outbreak 
  of 
  the 
  pest 
  is 
  not 
  to 
  b.e 
  

   expected 
  on 
  the 
  beet-plantations, 
  but 
  he 
  points 
  out 
  that 
  these 
  insects 
  

   can 
  also 
  breed 
  on 
  weeds, 
  etc., 
  and 
  recommends 
  therefore 
  the 
  following 
  

   remedies 
  : 
  — 
  Harrowing 
  the 
  soil 
  in 
  autumn 
  or 
  early 
  in 
  spring 
  ; 
  deep 
  

   ploughing 
  of 
  areas 
  covered 
  with 
  weeds, 
  if 
  necessary 
  ; 
  the 
  keeping 
  

   clean 
  from 
  weeds 
  of 
  the 
  grain 
  fields 
  adjoining 
  beet 
  plantations 
  ; 
  

   keeping 
  a 
  careful 
  watch 
  on 
  the 
  state 
  and 
  numbers 
  of 
  wintering 
  pupae 
  

   in 
  spring 
  ; 
  the 
  use 
  of 
  trap 
  crops 
  to 
  control 
  oviposition, 
  etc. 
  ; 
  spraying 
  

   the 
  fields 
  attacked 
  with 
  Paris 
  green, 
  barium 
  chloride, 
  etc. 
  

  

  Alfieki 
  (A.). 
  Un 
  Hym^noptere 
  parasite 
  des 
  ootheques 
  d'un 
  Blattide. 
  

   Un 
  Hym^noptere 
  parasite 
  des 
  chenilles 
  de 
  Trichophaga 
  swinhoei, 
  

   Butl. 
  [A 
  Hymenopteron 
  parasitising 
  the 
  oothecae 
  of 
  a 
  Blattid. 
  

   A 
  Hymenopteron 
  parasitising 
  the 
  caterpillars 
  of 
  Trichophaga 
  

   swinhoei, 
  Butl.] 
  — 
  Bull. 
  Soc. 
  Entom. 
  d'Egypte, 
  Cairo, 
  vi, 
  no. 
  1, 
  

   Jan.-March 
  1913, 
  pp. 
  14-15. 
  [Received 
  30th 
  June 
  1914.] 
  

  

  From 
  two 
  Blattid 
  oothecae 
  which 
  the 
  author 
  was 
  keeping 
  for 
  the 
  

   purpose 
  of 
  observing 
  the 
  young 
  Blattids, 
  probably 
  of 
  Stylopyga 
  

   onentalis, 
  L., 
  two 
  species 
  of 
  Evania, 
  E. 
  laevigata, 
  Latr. 
  and 
  E. 
  abys- 
  

   sinica. 
  West, 
  were 
  obtained. 
  

  

  Caterpillars 
  of 
  Trichophaga 
  swinhoei, 
  Butl., 
  were 
  found 
  by 
  the 
  author 
  

   towards 
  the 
  end 
  of 
  May 
  1911 
  in 
  jackal 
  excreta 
  at 
  Hehnieh, 
  which 
  

  

  