Investigations on the predation of Coccinella septempunctata on Macrosiphum rosae under laboratory conditions

2017 ◽  
Vol 2 (1) ◽  
pp. 45
Author(s):  
Sharon Zulfiqar ◽  
Mubashar Hussain
Keyword(s):  
Coccinella Septempunctata ◽  
Laboratory Conditions ◽  
Macrosiphum Rosae

Nutrition of the seven-spotted beetles Coccinella septempunctata L. (Coleoptera, Coccinellidae) at different stages of the life cycle

2019 ◽  
Vol 8 (2) ◽  
pp. 32-38
Author(s):  
Farit Talgatovich Miniyarov ◽  
Sergey Ivanovich Pavlov ◽  
Andrey Stepanovich Yaitsky
Keyword(s):  
Life Cycle ◽  
Synergistic Effect ◽  
Eating Behavior ◽  
First Generation ◽  
Ground Beetle ◽  
Coccinella Septempunctata ◽  
Feeding Intensity ◽  
Aphid Consumption ◽  
Southern Russia ◽  
Macrosiphum Rosae

The paper presents the results of studies of the seven-spotted beetle ( Coccinella septempunctata L.) life cycle, which has 2 generations in the climatic zone of southern Russia. The main stages of the life cycle are the emergence of imago from winter diapause, the first generation from egg to imago, the second generation from egg to imago, the care of adults for wintering. The eating behavior of coccinellid was studied at each stage of the life cycle, which showed the presence of a small herbivorous period (phytophagous beetles), most of the cycle of the beetles had a predatory lifestyle (entomophage beetles). Experiments in the natural and artificial conditions of studying the nutrition of a seven-point beetle showed that adult beetles were more effective in consuming aphids than the larvae. It was also established that in the natural environment, the degree of palatability, both in the larva and in the imago, was directly dependent on the density of the aphids: as the aphid decreased, the feeding intensity of the beetles decreased. To increase the efficiency of aphid consumption, the joint content of two predatory beetles in the imago stage was used: a seven-spotted beetle ( Coccinella septempunctata L.) and ground beetle ( Tomocarabus bessarabicus concretus Fischer von Waldheim). With such simultaneous use (polyculture), a synergistic effect was observed in their consumption of rosan aphid ( Macrosiphum rosae L.).

scholarly journals Preying capacity of different established predators of the aphid Lipaphis erysimi (Kalt.) infesting rapeseed-mustard crop in laboratory conditions

2013 ◽  
Vol 49 (No. 2) ◽  
pp. 84-88 ◽  
Author(s):  
K. Singh ◽  
N.N. Singh
Keyword(s):  
Coccinella Septempunctata ◽  
Juvenile Stage ◽  
Lipaphis Erysimi ◽  
Mustard Aphid ◽  
Larval Stages ◽  
Laboratory Conditions ◽  
Mustard Crop ◽  
Cropping Seasons ◽  
Syrphid Flies

Experiments on the preying capability of different stages of larvae of coccinellid and syrphid flies on the mustard aphid, Lipaphis erysimi (Kalt.), were conducted in a laboratory during the winter cropping seasons of 2009–2010 and 2010–2011. Results revealed that grubs of the Coccinella septempunctata Linn. preyed the highest number of mustard aphids (average 61.42 aphids/day) followed by Syrphus confrater Wied (34.81 aphids/day), Syrphus balteatus Deg. (32.26 aphids/day) and Ischiodon scutellaris Fab. (27.76 aphids/day) during their larval span. Among the larval stages of the coccinellid and syrphid predators, it was also analysed that the last juvenile stage of the predators was proved the mightiest devourer against the aphid L. erysimi. These predators could be used effectively for the management of L. erysimi on rapeseed-mustard crop.

scholarly journals Pathogenicity of Beauveria bassiana strains isolated from Ostrinia nubilalis Hbn. (Lepidopte­ra: Pyralidae) to original host and to ladybirds (Coleoptera: Coccinelidae)

1999 ◽  
Vol 35 (No. 3) ◽  
pp. 108-112 ◽  
Author(s):  
C. Cagáň ◽  
V. Uhlík
Keyword(s):  
Fungal Infection ◽  
Beauveria Bassiana ◽  
Ostrinia Nubilalis ◽  
Coccinella Septempunctata ◽  
Spore Suspension ◽  
Natural Conditions ◽  
Laboratory Conditions ◽  
Original Host

B. bassiana strains isolated from 0. nubilalis were tested against the larvae of 0. nubilalis and coccinellid beetles in laboratory conditions (25°C). The first dead 0. nubilalis larvae were observed 48 hours after the application. During the first five days after the application, the efficiency of spore suspension was significantly higher than the efficiency of dry spore formulation. Spore suspension killed more than 50% of larvae after 72, or 96 hours. After dry spore formulation was used, more than 50% of larvae were killed during 96, or 120 hours. B. bassiana killed 50% of coccinellid larvae during 48 hours. After anot her 24 hours 83.3% (strain SK78), or 100% (strain SK99) coccinellid larvae were killed by fungus. More than 50% of dead adults of Coccinella septempunctata L. and Propylea quattuordecimptmctata (L.) was found 72-120 hours after application of fungus. This mea ns that B. bassiana was not adapted specifically to original host and killed effectively the adults and larvae of Coccinellidae. Different behaviour probably allows the coccinellids to escape from fungal infection in natural conditions

scholarly journals The effect of biorational insecticides on the citrus aphids and their predator, Coccinella septempunctata L.

2019 ◽  
Vol 114 (2) ◽  
pp. 221
Author(s):  
Behnam AMIRI BESHELI ◽  
Amir Hossein TOORANI ◽  
Habib ABBASIPOUR
Keyword(s):  
Biological Control ◽  
Aphis Gossypii ◽  
Coccinella Septempunctata ◽  
Contact Toxicity ◽  
Laboratory Conditions ◽  
Aphis Spiraecola ◽  
Toxoptera Aurantii ◽  
And Control ◽  
Control Water ◽  
Dishwashing Liquid

<p>To determine selective effectiveness for specific pesticides on biological control species, we evaluated the contact toxicity of different treatments including 10 ml l<sup>-1</sup> dishwashing liquid, Dayabon 5, 6, 7, 8, 9 and 10 ml l<sup>-1</sup>, Palizin 1.5, 2.5 and 2.5 ml l<sup>-1</sup>, Palizin 1.5, 2 and 2.5­+­Citrol oil 5 ml l-1, Tondoxir 2 and 3­+­Bartar soap 1 ml l<sup>-1</sup>, Malathion 2 ml l<sup>-1</sup> and control (water) on the adult aphids of the most important citrus gardens and their predator, <em>Coccinella septempunctata </em>L. in the laboratory conditions. The results revealed that the Palizin treatment 2.5­+­Citrol oil 5 ml l<sup>-1</sup>, caused the highest rate of the mortality of the citrus green aphid, <em>Aphis spiraecola </em><a title="Edith Marion Patch" href="https://en.wikipedia.org/wiki/Edith_Marion_Patch">Patch</a>, 1914 in 36 hours. Concentrations of 7 to 10 ml l<sup>-1</sup>, Dayabon and Palizin 2.5­+­Citrol oil 5 ml l<sup>-1</sup>, as well as 3 ml<sup>-1</sup> Tondexir + Bartar soap 1 ml<sup>-1</sup> had the highest mortality of the citrus brown aphid, <em>Aphis citricidus </em>(Kirkaldy, 1907), 36 hours after treatment (100 %). In addition, the treatments of Palizin 2 ml<sup>-1</sup>­+ Citrol oil of 5 ml<sup>-1</sup>, as well as 2 ml l<sup>-1</sup> Tondexir­+­Bartar soap 1 ml l<sup>-1</sup> and concentrations of 5 ml l<sup>-1</sup> and 6 ml<sup>-1</sup> of Dayabon produced the same amount of the mortality of the citrus black aphid, <em>Toxoptera aurantii </em>(Boyer de Fonscolombe, 1841). Tondexir 3 ml l<sup>-1</sup>­+­Bartar soap 1 ml l<sup>-1</sup> in 24 hours after treatment caused the highest rate of the mortality of the cotton aphids, <em>Aphis gossypii </em>Glover, 1877 (83.88 %). Malathion treatment caused a 100 % mortality of the predator ladybird 36 hours after treatment, while the lowest amount was observed in the Dayabon at 10 ml l<sup>-1</sup> with 33.34 % mortality.</p>

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