HEMMING
C.F. & TAYLOR T.H.C. (Éds. sc.), 1972
Proceedings
of the International Conference on Current and Future
Problems of Acridology
London, 6-7 juillet 1970, COPR, xvi + 533 p.
Dedication,
p. [v]
Preface, p. vii-viii
Introduction, p. ix
Conference sessions and papers (AlI papers were
invited except those marked with an asterisk (*) which
were offered.)
TAXONOMY
Recent state of and trends in the taxonomy of the
Acridoidea
Chairman : Prof. D.K. McE. Kevan
(Canada)
N.D. Jago (ALRC), Recent state of
acridoid systematics and taxonomy, p. 1-7
M. Descamps (France) (Read by Mr. J. Roffey),
Geographieal regions and taxonomie groups of Acridomorpha
in need of study, p. 9-20
R.E. Blackith (Eire), Modern trends in taxonomic
research, p. 21-24
Discussion 1, p. 25-26
M.J.D. White (Australia), The value of cytology in
taxonomic research on Orthoptera, p. 27-33.
I.J. Cantrall & T.J. Cohn (U.SA), Melanoploid
genitalia and mechanical isolation, p. 35-44, 16 fig.
Discussion 2, p. 45-46.
PHYSIOLOGY AND BEHAVIOUR I
(a) Senses and behaviour
Chairman : Prof. T. Weis-Fogh (U.K.)
D.M.
Wilson (U.S.A.) (Presented by the Chairman),
Stabilizing mechanisms in insect flight, p. 47-52.
J.R. Le Berre (France), Nervous input and sensory
receptors in relation to food selection in the African
Migratory Locust, Locusta migratoria migratorioides (R.
& F.) , p. 53.
M.R. O'Shea (U.K.), The antennal cleaning reflex
in the Desert Locust, Schistocerca gregaria (Forsk.),
p. 5559, 3 fig.
Discussion 1, p.
61
(b) Phase physiology and behaviour Chairman:
Prof. T. R. Odhiambo (Kenya)
P.E.
Ellis (ALRC), Phase variation in locusts in relation
to heredity and rearing conditions, p. 63-77, 6 fig.
P. Joly (France) (Presented by Dr. P. E. Ellis),
The hormonal mechanism of phase differentiation in
locusts, p. 79-84, 4 fig.
D.J. Nolte (South Africa), The gregarisation
pheromone, p. 85-92, 3 fig.
*S. Fuzeau-Braesch & G. Nicolas (France), The
influence of carbon dioxide on some phase polymorphic
characters in Locusta migratoria (L.), p. 93-97.
Discussion 2, p.
99-101
PHYSIOLOGY AND BEHAVIOUR II
(a) Physiology of survival
Chairman : Prof. R.L. Edwards (Canada)
F.O.
Albrecht (France), The regulation of numbers in
locust populations: laboratory studies on reproduction
and survival, p. 103-110, 2 fig.
P. Hunter-Jones (ALRC), Factors affecting
egg-survival in Acridoidea, p. 111-115, 2 fig.
* N.Z. Achillides (Cyprus), Sorne effects of
sodium chloride, DNOC and thiram on the eggs of the
Desert Locust, Schistocerca gregaria (Forsk.), p.
117-122, 2 fig.
Discussion 1, p. 121-122.
(b) Physiology of reproduction
Chairman : Dr. K.V. Clarke (U.K.)
K. C.
Highnam (V.K.), Hormonal control of maturation in
locusts, p. 123-133.
M. P. Pener (Israel), The corpus allatum in adult
acridids: the inter-relation of its functions and
possible correlations with the life cycle, p. 135-147, 11
fig.
B. Baccetti (Italy), The biology of orthopteroid
sperm cells, p. 149-158, 2 pl.
Discussion 2, p. 159-161
ACRIDIDS AS PESTS
Chairman: Dr. C.C. Blickenstaff (U.S.A.)
(a) Assessment of crop and range losses
F.T.
Bullen (ALRC), A review of the assessment of crop
losses caused by locusts and grasshoppers, p. 163-171, 2
fig.
N.L. Anderson (U.S.A.), The assessment of range
losses caused by grasshoppers, p. 173-179, 1 fig.
Discussion 1, p. 181-183.
(b) Effects of changing land use on
locusts and grasshoppers
V. S.
Guseva (U.S.S.R.)(Presented by Mr. G. B. Popov), The
effect of cultivation ofvirgin land on grasshopper
population, p. 185-190, 1 fig
J. Liebermann (Argentina) (Presented by Mr. J.
Roffey), The current state of the locust and grasshopper
problem in Argentina, p. 191-198, 2 fig.
J. Roffey (ALRC), The effects of changing land use
on locusts and grasshoppers, p. 199-204.
Discussion 2, p.
205-206.
POPULATION STUDlES I
Factors affecting distribution
Chairman : Prof. Ya bei-Bienko (U.S.S.R.)
V.
Stebaev (U.S.S.R.)(Read by Miss Z. Waloff), Periodic
changes in the ecological distribution of grasshoppers in
the temperate and the extreme continental steppe regions,
and their importance for the local ecosystems, p.
207-213, 4 fig.
G. B. Mulkern (U.SA), The effects of preferred
food plants on distribution and numbers of grasshoppers,
p. 215-218.
Discussion 1, p. 219-220
D.E. Pedgley (ALRC), Recent studies on weather
systems affecting movements and breeding of the Desert
Locust, Schistocerca gregaria (Forsk.), in
countries around the Red Sea, p. 221227, 6 fig.
R. C. Rainey (ALRC), Wind and the distribution of
the Desert Locust, Schistocerca gregaria (Forsk.),
p. 229-237, 4 fig.
R. F. Chapman (ALRC), The movements of acridoid
populations, p. 239-252, 6 fig.
Discussion 2, p. 253-255.
POPULATION STUDIES II
Qualitative and quantitative fluctuations and their
causes : Part 1
Chairman : Dr. R.F. Chapman (ALRC)
R.
Pickford (Canada) (Presented by Dr. R. L. Randell),
The effects of climatic factors on egg survival and
fecundity in grasshoppers, p.257-260.
K.G. Wardhaugh (ALRC), The development of eggs of
the Australian Plague Locust, Chortoicetes terminifera
(Walk.), in relation to temperature and moisture, p.
261-272, 4 fig.
Discussion 1, p.
D.P. Clark (Australia), The plague dynamics of the
Australian Plague Locust, Chortoicetes terminifera (Walk.),
p. 275-287, 6 fig.
A. Lea (South Africa), The plague dynamics of the
Brown Locust, Locustana pardalina (Walk.), p.
289-297, 2 fig.
*Y. Ramchandra Rao (India), The problem of the
Bombay Locust, Patanga succincta (L.), in India,
p.299-300.
Discussion 2, p.301-302.
D. Wintrebert (France) (Read by Dr. R. E.
Blackith), The importance and status of the transiens phase
of locusts, p. 303-311, 3 fig.
Discussion 3, p. 313.
POPULATION STUDIES III
Qualitative
and quantitative fluctuations and their causes : Part 2
Chairman : Dr. R.F. Chapman (ALRC)
R.A.
Farrow (ALRC), Phase changes in the African Migratory
Locust, Locusta migratoria migratorioides (R.
& F.), in its main out break area on the middle Niger
in 1967-68 in relation to outbreaks, p. 315-329, 9 fig.
A. Batten (ALRC), Early stages of the 1928-1941
plague of the African Migratory Locust, Locusta
migratoria migratorioides (R. & F.), p. 331-334
*M. Verdier (France), The different life cycles in
Locusta in relation to climatic and genetic
diversity, p. 335-338, 1 fig.
Discussion 1, p.
339-340.
P.M. Symmons (ALRC), The upsurge of the Desert
Locust, Schistocerca gregaria (Forsk.), mid-1966
to mid-1968, p. 341-342.
Z. Waloff (ALRC), The plague dynamics of the
Desert Locust, Schistocerca gregaria (Forsk.), p.
343-349, 2 fig.
Discussion 2, p. p. 351-353.
N. Waloff (U.K.), Some thoughts on the studies of
population dynamics of acridids, p. 355-358.
Discussion 3, p. 359-360.
E.P. Tsyplenkov (U.S.S.R.) (Not read), Locusta
migratoria (L.) in the U.S.S.R. and the dynamics of
its numbers, p. 361-365.
POPULATION STUDIES IV
Detecting,
assessing, reporting and forecasting acridid populations
Chairman : Mr. Gurdas Singh (FAO)
P.W.
Riegert (Canada), Surveys of grasshopper abundance
and forecasts of outbreaks, p. 367-373, 4 fig.
G.B. Popov (ALRC), Combined air and ground survey
methods for populations of the Desert Locust, Schistocerca
gregaria (Forsk.), p. 375-378.
G.W. Schaefer (U.K.), Radar detection of
individuallocusts and swarms, p. 379-380.
C. Rossetti (France), Remote sensing of locusts:
spectral reflectance characteristics of locust bodies in
the range 0.35 to 2.0 microns, p. 381-390, , 2 fig., 6
graphiques.
*R. L. Randell (Canada), Some recent advances in
the application of high-speed computing equipment to
grasshopper forecasting and the study of grasshopper
ecology in Saskatchewan, p. 391-394.
Discussion 1, p. 395.
P. M. Symmons (ALRC), Assessing and forecasting in
relation to the work of the Desert Locust Information
Service, p. 397-400.
Discussion 2, p.
401-402.
CONTROL I
Modern
methods of chemical control
Chairman : Dr. H. Huque (Pakistan)
H.J.
Sayer (DLCOEA), A review of modern methods of
chemical control of the Desert Locust, Schistocerca
gregaria (Forsk.), p. 403-406.
W.S. Watts (ALRC), Insecticides recently examined
at the Anti-Locust Research Centre, p. 407-411.
J. Perrot (Morocco), An outline of recent and
future developments of locust control in Morocco, p.
413-419, 6 fig.
R.J.V. Joyce, The application of locust control
techniques to other pests, p. 421-425.
R.M. Skaf (FAO), The problem of introducing modern
methods of chemical control of locusts in the developing
countries, p. 427-432.
*L.L. Niel & A. Courault (Argentina), Recent
experiments on the use of various insecticides against
grasshoppers in the Santa Fe Province of Argentina, p.
433-434.
*Y.M. Saket (Iran), Some observations on the
action of dieldrin and other insecticides in the Desert
Locust, Schistocerca gregaria (Forsk.), p.
435-436.
Discussion, p. 437-439.
CONTROL II
Concepts
of acridid control
Chairman : Dr. D.L. Gunn (U.K.)
R.D.
MacCuaig (ALRC), New concepts of insect control
applied to acridids, p. 441-449, 1 fig.
S. Pradhan (India), Biological control for acridid
pests, p. 451-457, 1 fig., 1 pl.
C. Ashall (ALRC), Theories of locust control, p.
459-464.
*J.E. Henry (U.S.A.), Potential
microbial control of grasshoppers and locusts, p.
465-468.
Discussion, p. 469-474.
ORGANISATIONAL PROBLEMS
Chairman
: Mr. J. Roy (France)
Gurdas
Singh (FAO), The role of F AO in international and
regional co-ordination of Desert Locust research and
control, p. 475-485.
H. Gahan (Argentina) (Presented by Miss P.
Wortley), Research project on the South American Locust, Schistocerca
americana (Drury), p. 487-490.
J.A. Whellan (Malawi), The problems of locust
plague prevention organisations as exemplified by the
International Red Locust Control Service, p. 491-498, 2
fig.
T. Ajibola Taylor (Nigeria), The problems of
locust plague prevention organisations as exemplified by
the Organisation Internationale contre le Criquet
Migrateur Africain, p. 499-505, 3 fig.
H. Huque (Pakistan), The organisation of Desert
Locust control on a national basis, p. 507-510.
P.T. Haskell (ALRC), The future of international
co-operation in locust control and research, p. 511-515.
Discussion, p. 517-520.
SYNTHESIS
Chairman
: Prof. J.S. Kennedy (U.K.)
Summary
of recommendations, p. 521-524.
INDEX
OF AUTHORS, p. 525.
LIST OF PARTICIPANTS, p. 527-533
(a) ln alphabetical order with addresses, p. 527-531.
(b) Arranged by countries at the time of the Conference,
p. 531-533.
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