scholarly journals EFFECT OF DIFFERENT TEMPERAURES, THERMAL, THRESHLOD UNITS ON DEVELOPMENTOF SILVERY MOTH, Autographa gamma Linn.

2012 ◽  
Vol 3 (4) ◽  
pp. 355-361
Author(s):  
M. Taha ◽  
Horia Abd-El Wahab ◽  
Hanaa Mahmoud ◽  
Ghada Abd el hamed
Keyword(s):  
Autographa Gamma

Adult behaviour and oviposition of five noctuid and tortricid moth pests and their control in glasshouses

1976 ◽  
Vol 66 (3) ◽  
pp. 501-510 ◽  
Author(s):  
H. D. Burges ◽  
P. Jarrett
Keyword(s):  
Biological Control ◽  
Second Generation ◽  
Control Measures ◽  
Oviposition Site ◽  
Flight Period ◽  
Mamestra Brassicae ◽  
Basic Pattern ◽  
Autographa Gamma ◽  
Important Pest ◽  
Tomato Pests

AbstractAdult behaviour and oviposition patterns of Cacoecimorpha pronubana (Hb.), Phlogophora meticulosa (L.), Autographa gamma (L.), Mamestra brassicae (L.) and Lacanobia oleracea (L.) were studied by introducing laboratory reared pupae into glasshouses. Adults emerging from these pupae were located by direct visual searching of chrysanthemum plants and of the greenhouse structures for up to three weeks after emergence.In small houses (2·9×3·3×2·5 m), 49 adults of C. pronubana emerged. At least 15 stayed inside the house and laid 1 750 eggs. With P. meticulosa, A. gamma and L. oleracea, 262 adults emerged and escaped from the houses without laying eggs inside.In a large glasshouse (9·8×13·1×5·1 m) with automatic ventilators, 840 adults of P. meticulosa, A. gamma and M. brassicae emerged and many were prevented from escaping when the ventilators were closed during the moths' flight period. Moths were inactive in daytime and most were found on the highest parts of the aluminium framework, mainly on the sides which received most external light overnight. None were found on the glass. Only 27·3% of the P. meticulosa were found on the plants. Moth distributions probably result from moths flying until they reach a barrier, which they then tend to follow, with directional responses to gravity, light, settling site, food plant and oviposition site superimposed in varying degrees on this basic pattern. About 30 470 eggs were laid, more in outer than in inner beds and more in the outer than in the inner rows of a bed. P. meticulosa and A. gamma laid eggs only on plants. M. brassicae laid about 1 854 eggs on the undersides of leaves and 2 972 on glass and framework, mainly in the direction of external light.All five species can cause serious damage to crops. Initial infestations can be controlled by sprays of chemical insecticides or Bacillus thurin-giensis. Usually a few larvae survive a single spray and, in the absence of further control measures, they may produce a troublesome second generation, although in certain circumstances further control measures may not be required. If biological control of other tomato pests becomes widespread, steps should be taken to prevent L. oleracea again becoming an important pest.

Effects of tepa and other aziridine alkylating agents on egg development in the red bollworm Diparopsis castanea Hmps, and the silver Y moth Autographa gamma (L.) (Lep., Noctuidae)

1973 ◽  
Vol 62 (3) ◽  
pp. 401-405
Author(s):  
D. G. Campion
Keyword(s):  
Embryonic Development ◽  
Histological Examination ◽  
Early Stage ◽  
Alkylating Agents ◽  
Progressive Increase ◽  
Egg Development ◽  
Egg Hatch ◽  
Time Of Application ◽  
Autographa Gamma ◽  
Silver Y Moth

Increased doses of tepa applied by injection to female Diparopsis castanea Hmps. caused a progressive increase in sterility accompanied by a decrease in the number of eggs oviposited from the time of application. After an interval of three days it was shown by histological examination that injected doses of 10 μg of tepa induced degeneration of the developing oocytes and a shrinkage or resorption of some of the mature eggs. After Diparopsis male moths were treated with graduated injected doses of apholate, metepa and tepa and then mated with untreated females, considerable embryonic development without subsequent egg hatch occurred at the lower dosage levels. When tepa-treated Autographa gamma (L.) males at a dose of 10 μg were similarly mated with untreated females histological examination showed that the development of many of the eggs had been arrested at a very early stage; in some instances a greater development, although of an abnormal kind, had taken place.

scholarly journals Flight periodicity and the vertical distribution of high-altitude moth migration over southern Britain

2009 ◽  
Vol 99 (5) ◽  
pp. 525-535 ◽  
Author(s):  
C.R. Wood ◽  
D.R. Reynolds ◽  
P.M. Wells ◽  
J.F. Barlow ◽  
I.P. Woiwod ◽  
...  
Keyword(s):  
Vertical Distribution ◽  
High Altitude ◽  
Light Trapping ◽  
Radar Data ◽  
Study Approach ◽  
Autographa Gamma ◽  
Combining Data ◽  
The Uk ◽  
First Time ◽  
The Vertical Distribution

AbstractThe continuous operation of insect-monitoring radars in the UK has permitted, for the first time, the characterization of various phenomena associated with high-altitude migration of large insects over this part of northern Europe. Previous studies have taken a case-study approach, concentrating on a small number of nights of particular interest. Here, combining data from two radars, and from an extensive suction- and light-trapping network, we have undertaken a more systematic, longer-term study of diel flight periodicity and vertical distribution of macro-insects in the atmosphere. Firstly, we identify general features of insect abundance and stratification, occurring during the 24-hour cycle, which emerge from four years' aggregated radar data for the summer months in southern Britain. These features include mass emigrations at dusk and, to a lesser extent, at dawn and daytime concentrations associated with thermal convection. We then focus our attention on the well-defined layers of large nocturnal migrants that form in the early evening, usually at heights of 200–500 m above ground. We present evidence from both radar and trap data that these nocturnal layers are composed mainly of noctuid moths, with species such as Noctua pronuba, Autographa gamma, Agrotis exclamationis, A. segetum, Xestia c-nigrum and Phlogophora meticulosa predominating.

Sex Pheromone Components of the Gamma Moth, Autographa gamma (L.) (Lepidoptera: Noctuidae)

1983 ◽  
Vol 38 (11-12) ◽  
pp. 1011-1014 ◽  
Author(s):  
E. Dunkelblum ◽  
S. Gothilf
Keyword(s):  
Sex Pheromone ◽  
Sex Pheromone Components ◽  
Autographa Gamma ◽  
Pheromone Components ◽  
First Time ◽  
Lepidoptera Noctuidae ◽  
Natural Pheromone

Z-7-Dodecenyl acetate and Z-7-dodecenyl alcohol have been identified as sex pheromone components o f female Autographa gamma. This is the first time that Z-7-dodecenyl alcohol has been found in the natural pheromone of Plusiinae. When incorporated in pherom one traps of some Plusiinae species the alcohol is both synergist and inhibitor, thus being an important factor in sex isolation among sympatric Plusiinae species in Israel

Addition of 4‐oxoisophorone improves performance of bisexual lure for Autographa gamma (L.) (Lepidoptera: Noctuidae)

2021 ◽  
Author(s):  
Antal Nagy ◽  
István Szarukán ◽  
Tímea Szalárdi ◽  
Szabolcs Szanyi ◽  
Júlia K. Jósvai ◽  
...  
Keyword(s):  
Autographa Gamma ◽  
Lepidoptera Noctuidae ◽  
Bisexual Lure

A Real-Time PCR Assay for the Separation of Autographa gamma (Noctuidae: Plusiinae) From Morphologically Similar Species in North America

2017 ◽  
Vol 110 (6) ◽  
pp. 2609-2617 ◽  
Author(s):  
Luke R Tembrock ◽  
Roxanne E Farris ◽  
Lisa Ledezma ◽  
Norman B Barr ◽  
Todd M Gilligan
Keyword(s):  
North America ◽  
Real Time ◽  
Real Time Pcr ◽  
Similar Species ◽  
Pcr Assay ◽  
Autographa Gamma
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