RESEARCH CONCERNED WITH PARASITES OF FOREST INSECTS

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• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80T00246A021000350001-9
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• Document Page Count: 13
• Document Creation Date: December 23, 2016
• Document Release Date: July 23, 2013
• Sequence Number: 1
• Publication Date: April 2, 1963
• Content Type: REPORT

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CENTRAL INTELLIGENCE AGENCY
This material contains information affecting the National Defense of the United States within the meaning of the Espionage Laws, Title
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C-0-N-F-I-D-E-N-T-I-A-L
50X1
COUNTRY
Poland REPORT
SUBJECT
Research Concerned with Parasites of DATE DISTR.
2 Apr 63
Forest Insects
NO. PAGES
REFERENCES
50X1 -HUM
DATE OF
INFO.
PLACE &
DATE ACQ.
THIS IS UNEVALUATED INFORMATION
5
4
3
2
1
.4 an annual report (ten pages, English) of
a Polish research project entitled, "Studies in the Development of
t
Improv Strains of Parasites of Forest Insects : which is being con-
ducted at the College of Agriculture at Poznander the direction of
Dr Alfred Szmidt. The period covered is 1 Jan - 31 Dec 62. CONFIDENTIAL 7
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AeTicat ro
Pozrlant aibrawakiego /59
Polaxa d
Doc.ldr. Alfred Szxidt
STUDDS IN T4L DEVELONT P UFROVED
STRAINS OP PARASZTLS OF ?Oki.LST
INSECTS
E 21 - FS - 7
PG - re - 120 - 61.
Reeort period: from tiQnuAry 1.1962 to December 310#96Z.
CONFIDENTIAL
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rs
CONNOENTIAI:
In the annual report Neol the general problems and the attemptg
to receive improved otraina of various parasitie insects under-
taken in past were diecuosed?
Such possibilities are studied in the reported period in case
at eaUltsEplus Lugelp2n912 Zett? and Rich&coug vIDegnauLatus
Rets.9 two parasitic hymenopterans attuckind several forest
insect peas?
as regards,R0tuicipsnpig the Audite on tho level of
biotic activity of saverel pure lines? that had bees collected
in different areass have been completed These otudies showed
that there is distinct differcatiatioh of biotic activity in
different strains and that the most effective appeared to be
the strains No: VI, IX, XI, and :Atheist premise strains Noe*:
V and VII,
It should be emphasised that ma/WU the fecundity of pure
lines inbred for 10 to 14 gine:Oat/ono awe-woad very distnetly*
The crossing of several pure 3tr411s at iqUgclpsnal2 was con-
tinued?
At) regatdo 20alkemulatug the otudies on longevity
of the pure otreins aoro eoMpleted. in tbto reepeet the meet
effective appeared tote 00 istninti No: IX und VIII?
Until the preaent day trio numbers et temalos it thia paraoite
tooted on biotic activity increased to VICO ond the Sonora
nuebere et progeny ebtatned from thee remaloo increased to
Mow ,
The general praotioal conclusion's ares
felt is posolblo to at4310 any requiro4 Slumber it both studied
species at poraeltoe at any date,
2, the rearjns of mps etralite inbred for a longtime le not
ageteptablto
3* prefbably by trt3sine if linoe 1.41th the pesitiv eatares
it w;uld bt pwasible im Pet0?v o ttrAni 1c31 feattatee
for ciao SA bieleisie31 tontnl
CONFMFNT1111
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LI
Det dOber 1?,1
.Intra.M.g.I.i.0
In the period from 3.111. to 3X11.1962 special interest was
given to the R.rupipEnni2. The work on second species 124.112e-
tneulatu2 was in beginning stage because the collecting of this
parasite was possible in winter 1961-1962.
Studiea made on pure lines of p4u2clpenBig in the reported pe-
riod chewed that there is disiinct differentiation of biotic
activity in different strains.
It was found that the progeny of all crossed sthme of both
parasites is fertile.
The preliminary investigatio s on Dauecipenuie Showed that
vitality of progeny of crossed limes tureased in Y1 and no.
As regards Ratlygeonmlittve.,, in several experiments
it was found that this parasite had natural and =nature%
insect hosts . As a basis for studies en biotic astivity of
this parasite the average quantitativerrelation between
females and malest average fecundity of fenaleso length of deve-
lopment of one generation 0 have been studied.
x'Pocodj.Pe inee
The several thousands cocoons of Digriesivp.1ttI PO
and pupae of Panolis.flammea Schiff0 were collected in
different areas as in the previous periods?
The host-pupae were dissected in order to find the new pure
strains of at, alAupauletufi because during hibernation /1961.
.62 / .some studied pure strains of this parasite bedlam
exterminated .
Host - cocoons and host - pupae were segregated and
then used for rearing of parasites e according to the sane
melihods as in the 'past year.
The same concerned the criterions and methods of rearing
Do_Alacipetylls,,and at the studies et
biotic activity of eeperate pure and creased ?trains or beth
speciee of these parasitee.
try
e 3 e
CONFiiibtAt
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Lt.,..wa.L;Ls
In the reported period the characterietice of ferestebiotepe
were made in which the seperate pure strains of R.?1ketnijulatu
and R.f.u2cipinEig were collected. These Characteristics made a
cording to the rules applied in the forest studiee concerned
following dat : type pf forest localietiess quality of soilsY"
Of stands compositioneof etandss bottom etc0
as regards R.Euggpineig the studies on pure lines of
this parasite have been eempleted. The biotic activity of sep
rate pure strains is ehown in the Table 1. The number of spedi
ens tested in each of 1.1 strains was: 1000 of females on lenge
vitys 500 of females and 1500 of cocoons en average number of
parasitized thinn-walled cocoons by 1 females 600 of females al
600 of thickewalled cocoons on percentage of parasitizations 50
of females on searching capacity and 500 of females on fecendit
The promiSsing value of eaeh strain we characterised by a sum
of /ioints of all five studied features /Table 1/. The lowest
number of points was assigned for the life longevity of females
/11 pointe for the first places 10 points for the seconds etc./
the highest number of points for the average fecundity of fema-
les /15 points for the first places 14 for the seconds etce/.
Such analysis of pronissing value showed that most valuable
strains are: VI IX, XI and with low value areasVIIIs X9 VII?
In the preliminary studies on pure lines of this para-
site the decrease of activity of pure lines inbred for about
4e5 generations was not observed. Therefore now the comparing 0
the average fecundity of 200 females from the generation 1 t? 4
and of 209 females xre, the generations 10 to 14 showed that toe
fecundity of pure lines inbred for along tine decreased very
distinctly /Table 2/,'
During the reported period the crossing of several per,
strains of R.EugeppRis. was continued. The biotic activity of
progeny received as results of croso-mating of various pure li-
nes w s studied. For example until the present day the number oi
females tested on longevity increased: strains I x III to 820,
I x IX to 629v I x VI to 581v II x IX to 831 and strains III x
to 809.
CONEDENTlit
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_
Strain
Nuber
??????
VI
TV
V
v." T.
VIII
XI
4.4.4
ti
B Average - 0
B
lonavvity 0
o remAies 0
B
0
jia_dAya R
tr-d 7-- -;
a
7,59 a
6604 B
0
7917
6997
0 6,80
0 6949
0
6,73 0
8
6,42
6,46
6 6944 0
0
6 966
?0
_
_
?????
Average
number of
p?Aratiltized
thinn-wolled
Co coons
1 fesale
41?44 :44.? ?444 44.4 ewe/
; 920
1929
0936
1 ,16
1,07
1 ,28
1 ,06
9 ,18
19?-9
1 913
192:i
MENIAL
Tatatl, a
=
Parasiti.zation
0 of thick .
waled
0 cocoene
9
41,69
45636
42,86
8
46,65
0 35,79
B 43,70
B
35-2,
ft 28,45
4094
0 40,09
3
54911
0
0
ft/
0
6
4
0
6
= =
Seitrching
capacity
)6911
47,95
55,56
40,15
30,88
37,31
3102
39926
40,58
32985
63,42
= =
4
B
6
d
0
11
9
6.1a,
430
Aver..ig
fecuPdity
of
fe-mitle
_
44903
45,05
32,77
39929
41 ,06
48,77
38 ?56
46,53
4709
44,29
40,75
7
B
a
9
B
U
-3
= = = = = = =
The prailittimr,
value .
of streina
_
44
47
39
44
30
48
26
30
30
50
.4.44
-
CONFIDENTIAL
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CRIMINAL.
DM
4
0
6
0
a
=
)ivaglor
'et
strain
4= M
_lres=4i
Generation
-o
I to 4
M mei em
11 115
80683
80571.
10005,
11'0268
9.592
1 0 644
13 050'
e
m oto m m? et*
Table
M m M0.00 M
of 200 fo 'es _
=
Genforatioa 4
.I0 t
5764.
6479
. 4616
64,7 ?
? 5621:
5569. ?
731-3
541
14
6
However be of =sufficient number of
it is to earl;y to indicate crossing of which
will /rime the st pro;sinent pregeRY9?
As reprdeD 4tzta.iii,ut during the re
of our investigations studi en lexagevit;y and
?
2.
M
ReMarko
' ,Dra, M ? c:D
repetitions
pure lines
ored period
tecumditY
of - pure lines were made,.
The 100Q of females tested Oh longevity i adh 44" the
strain showed that there arc the distimet differences
between the aversgo lengpvity of one female in.- por to
pure lines,. / Table 3 /
?
ces
Number
of
atE41,11,. a
B
B
B
mM Mm m
Mr ? DO ?M`
Average iengevity
of en.li female
4-1*
M M M ,sto '
CONhuitiaAL
8
0
e
B
c.c;?
Table 3
M mM M M.M m m m
Roma**
M M M m m,m m Do M
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UNUULHIRL ?
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,
Until the present di4 the numbers of females tested
? on feeUdnidy and numbers o'.0! progeny obtained from' theSe
femalee are shown in the. /Table 4/
Table 4.
CO CC = lib 60 = is 4C,MSCP VC, IM, QZ = c* . . . . ... . . ... ....
a e a
0 BsOark*
Number Number 0 Number
a
s of strain of females 9 of progeny $
A tested a k
R 0
. . . . . . . . . . . .fl. . . . . . . .
0 0 0 .
o
I 200
e t
11= a e
II 200 P
v 6 9
P III s 200 a 11.658 8
a IV ,9200 a
8.293 a
a a a a
VI 200 7.344
a a a a
VIII 250 t /2.432
a a ft
a IX o 250 . /1.888 a
P
0 . . . . . . = __. . . . m .? .? . . . . . . .1. =
Because of unsufficient nt,mber en femass tested on fecundity
and other criterions t it ia difficult to say now which strains
belong to the most offective ones.
The preliminary investigations on crees..breeding of different
strains of R..albLiannmlt2e showed that the progeny la fertile.
Although the studies made up to day on p..f.tisciReenis.and
9,0.alboaau1atug are net complete it seems that some of results
arC of? impottant value for development of improved strains
of the parasites.
It may be emphasized that the various strains from vari up
arose differ significantly in biotic activity and only the
offective ones can be recemnsnded for bieleglcal control.
Besidesothe activity of pure lines inbred for more
than 10 generations decreased very distinctly.
Although the crossing of pure lines inbred for a long time
showed that biotic activity of their progeny has increased,
whether this phenemen will disappear after some generationso
? will be found in the fUtere iivesticatiens based on the compa-
ring of activity of crossed lines and pure lines.
CONFIDERIAL
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Only by further seleztien and crossing of most positive limes
it will be possible to obtain the improved strains .
Some difficulties have been stated during the. studies @A
RoaPaapn.H1?tns Namely during the hibernation of the larva/-
stages iltf this parasite some of pure lines become exterminated.
Therefore it is necessary to collect 00AZ new strains in
the field and te begin the new investigations on them.
The special experiments to expaain the conditions of hiber-
natIol of R..albsaangl?t2smwere established.
Another difficaty eur investigations is connected
witb, the lack of sufficie t number of pupae and sees no.
of 4ost insect whick didnot appear in as number in Poland
duving reported peried.
C ygcluSions-
Bas d
on the studies made on SOM4 p into on biology
and eeelegy of R.J4s2i2elanjA,and R._alba mnlatt9e.the
methods of mass reari g of those parasites were worked out.
Only the conditions GI positive hibernation of.Dg altoenktuLaIu2
are to be explained 0
The completed investigations on pure strains of R.tugclpInnig
havo shown the distinct differentiation in activity various
lines.The most effective lines of this parasite are strains
NosolTI
IX 0 XI and they may be recommended for use in bio-
logical centre/ of sesaffkiemo
Apart of that the studies on pure lines that inbreeding for
about 4-6 generatie n did net cause any decrease of blotio
activity.Howevor after 10-14 generations the activity of these
lines p especially the fecundity of females 9 decreased very
distinctly.
The crtssing of several pure lines of both parasites we
eentinued.Tho studies n pregeny of creas-mated strains of
D.Jus2iReBnp
ha a indicated that it is possible to increase
the biotic?activity of parasite by this ethod.This last
conclusion must bevhswevervverifiad by mdditional exporime to.
?
eCKIIMMA
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PI 61.0*.P wor k
=10 4r...1t=a ese,er etsl at. el! cewle ";f 1
Tho plan the next year of our investigations Acludes
coL. tins and starting of the folloxwing problems :
1/ Completing of studies on biotic activity of pure
lines of E._a1boann1att2s in order to find what
strains arc moat effective.
2/ Completing of crossing of most active strains of
fussil,?4nq. Starting to cress the most active
straine or 4.2.alboannult4tRs_. It must be also cleared
by laboratory rearing of few generations of paraeite
whether sucl positive features will be inherited
or tihall disappear am effect of heterozy0
3/ Obtaining in laboratory rearing of several theurends
of p,rasitp,s that will be used for preliminary
introduction and chr:eking of efficacy under natural
conditionsc
4/Col1ecting of few thousands of host-pupae and host-
cocoons fox further laboratory rearing of both
parasites.
(
CONFiDigiAL
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. CONFIDENTIAL
. BACH DF,. P.
44.
DOUTTv a01,1
3. PLANDERSv.G.t.
Liter tyro
4. GROPP.I. G.60
?
HOA;AUD4
- 195S. Se/ective brooding to improve
adaptation of paresitic ineecta. Proo.e
Tenth Intern. Congr. sitemol.f 4.
- 1961. Phe dimensions 6r endemiers. Ann.
eat.3oo, nner.'54, 1.
? 19. M34$ production of our-parasites
genuF; trictokirps12. Calif. Asr.Exp.
Sta., Hilgadres 4.
thOdhe..0 - 1924. The cultivated Citrua Ant
of S6uth China, Linen Agr. Rev-.1 2.
L.O.,FICA-J4, W.F. - 0/1. The port tion into the
United Statea of the parasite? ef the
,gipay moth and the brOwn tail zoth.Bull.
U.S. Sur. lintomel.p 91.
- 1957. twsj v bieaegicaeakon nietodie.
Zaszcz. rest. et wriodit. i boleznit19
20.
1956. interesting e.:Ise of bielogical
contrul of cogoi2loate& tua.,MooEktli,
In jdpaA ,u Proc. Tenth latern. Consr
Lntom.,
- 1948. iiielosj.czeokij miotod borby * wried-
noel nasiekonymi aelchvzgiz.e Moakwat
Leningrad,
1960. Isnienczyweat i sielekcjfel entono-
f4sow. Z?O.:;urn. 39. lir, 5.
.P$94.7. pro et of thil aox r4Atito of a
parasit0 by &election,. Cor.4.d.
79A 3.
1959. TAktunomiozesk4$4n Itimioxicznakaja
chavegtierletika widoV red4 triettqltdrAu,?
Aygono2terd, Trigh2grumn.ltidtei. Niautzfi.
trud7t U:N7.1:1724g.08'
0 ekrteazeOwanilVaefidn elpiatipaml 4 roZ-
nych widow trichograSk.
NfAuczn.4, trudy UN0i0I.Z. d, hijew.
R.J. - 1924. The po.rasito of the wooly aphis
Inc New. ZeAlend. Prognese of the work
4f distributing f.phelinut null during
season seaon 1923-24: frrlitgrowo
apiwarist tiep.
- 1924. The influence en the Itelection on
the pveferenuum of A. 00?actd /
V,knerumeipeVas 20,,tt./ .$;161 itc
e,A0oxii. TA-the blo/Ogi41 oalt0g4 ef Lim:Oat
Priko, kitty , LAmdeRt tAr. b"
%3?).
4?, TM1 11A7Pcts o 441tctAt1=0
ogi kte.n4.1441- w'tith04.tz;iikc sift 114'46git
6. JAMINT0a4,
7,, aiisuiAasUp
80.1UBc0a,,
1A7.
9Q RU1C04, I.A.
i0. SIMUONUSs
1 0 TIVIlaktit t 110,40
12. TIBLUtad,
13., TILLY...RD
14. oIL,;$81 4"
411
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