scholarly journals Biological Control of the Chrysanthemum Aphid, Macrosiphoniella sanborni (Gillete) by Release Coccinella septempunctata l. on Chrysanthemum Plants

2016 ◽  
Vol 7 (5) ◽  
pp. 291-295 ◽  
Author(s):  
A. Emam
Keyword(s):  
Biological Control ◽  
Coccinella Septempunctata

The Status of Coccinella septempunctata L. and its Varieties divaricata Oliv. and confusa Wied.

1962 ◽  
Vol 94 (12) ◽  
pp. 1341-1343 ◽  
Author(s):  
V. Sudha Rao
Keyword(s):  
Biological Control ◽  
Coccinella Septempunctata ◽  
Silver Fir ◽  
Eastern Himalayas ◽  
North West ◽  
The North ◽  
Large Numbers ◽  
The Status ◽  
Commonwealth Institute ◽  
Indian Station

A survey was recently undertaken by the author with Dr. V. P. Rao, Entomologist-in-charge, Indian Station, Commonwealth Institute of Biological Control, Bangalore, India, for natural enemies of Adelges spp. attacking silver fir (Abies spp.) and spruce (Picea spp.) in the North-West and Eastern Himalayas. In the course of this survey it was found that the coccinellids Coccinella septem-punctata L., C. septempunctata L. var. divaricata Oliv. and C. septempunctata L. var. confusa Wied, were three of the most common predators of Adelges spp. in both these areas. With a view to sending laboratory-reared material to Canada for trial against Adelges piceae Ratz., which is a serious pest there, large numbers of these Coccinellids were collected in the fir and spruce forests to provide breeding material.

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>

scholarly journals Study of Predatory Lady Beetles Fauna (Coleoptera, Coccinellidae) Associated with Pomegranate Orchards on Aphis punicae Passerini in the Najafabad Region (Isfahan Province), Iran

2016 ◽  
Vol 30 (1) ◽  
pp. 1
Author(s):  
Zahra Fattah-Almanan ◽  
Alireza Jalali-Zand ◽  
Bijan Hatami
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Coccinella Septempunctata ◽  
Control Agent ◽  
Adalia Bipunctata ◽  
Male And Female ◽  
Plant Vigor ◽  
Isfahan Province ◽  
Coccinella Undecimpunctata ◽  
Lady Beetles

Lady beetles (Coleoptera: Coccinellidae) as a biological control agent are a group of beetles with a considerable diversity and adaptation in different habitats. Among aphids, <em>Aphis punicae</em> Passerini (Hemiptera: Aphididae) is one of the most important pests of pomegranate orchards in Iran. This pest reduces plant vigor, facilitate the growth of mold on leaves, and consequently influences crop quality and yield. Study on the fauna of predatory ladybugs associated with pomegranate orchards was conducted that were feeding on <em>Aphis punicae</em> in the Najafabad region (Isfahan province, Iran). Twelve species of 8 genera were collected Sampled specimens were identified according to their morphological, male and female genitalia characters using identification keys. The identified species were as follow: <em>Adalia bipunctata</em> (Linnaeus, 1758), <em>Coccinella septempunctata</em> Linnaeus, 1758, <em>Coccinella undecimpunctata</em> Linnaeus, 1758, <em>Exochomus undulates</em> Weise, 1878, <em>Hippodamia variegate</em> (Goeze, 1777), <em>Hippodamia tredecimpunctata</em><em> (</em>Linnaeus, 1758), <em>Oenopia conglobata</em> (Linnaeus, 1758), <em>Oenopia oncina</em> (Olivier, 1808), <em>Propylea quatuordecimpuctata</em> (Linnaeus, 1758), <em>Psyllobora vigintiduopunctata</em> (Linnaeus, 1758), <em>Scymnus syriacus</em> (Marseul, 1868), <em>Scymnus mongolicus </em>(Weise, 1890).

scholarly journals Sequencing, Expression, and Functional Analyses of Four Genes Related to Fatty Acid Biosynthesis During the Diapause Process in the Female Ladybird, Coccinella septempunctata L.

2021 ◽  
Vol 12 ◽  
Author(s):  
Mei Xiang ◽  
Hong-Zhi Zhang ◽  
Xiao-Yu Jing ◽  
Meng-Qing Wang ◽  
Jian-Jun Mao ◽  
...  
Keyword(s):  
Biological Control ◽  
Fatty Acid ◽  
Rna Interference ◽  
Lipid Accumulation ◽  
Molecular Mechanisms ◽  
Fatty Acid Biosynthesis ◽  
Biological Control Agent ◽  
Expression Profiles ◽  
Coccinella Septempunctata ◽  
Long Chain

The ladybird Coccinella septempunctata L., a predatory insect, serves as an excellent biological control agent against common agricultural pests. It undergoes a diapause phenomenon, during which a large amount of fat accumulates in the abdomen. A comprehensive analysis of this lipid accumulation can reveal the molecular mechanisms underlying diapause regulation, which can be exploited to improve the shipping and transport of the insect for agricultural applications. In this study, we compared the transcriptome of C. septempunctata during non-diapause, diapause, and post-diapause and screened four key genes related to lipid metabolism. The cDNA of these four relevant enzymes, acetyl-CoA carboxylase (ACC), long-chain fatty acid-CoA ligase (ACSL), elongase of very-long-chain fatty acids (ELO), and very-long-chain 3-oxoacyl-CoA reductase (KAR), were cloned using reverse transcription-polymerase chain reaction and rapid amplification of cDNA ends. Their expression profiles were analyzed during the preparation and maintenance phases of diapause and the post-diapause phase. The functions of these four key enzymes in diapause were further verified using RNA interference. All four genes were most closely related to the homeotic gene from Tribolium castaneum. The expression profiles of these four genes were significantly affected under diapause-inducing conditions; their expression level was the highest in the diapause preparation phase, and it gradually decreased with the diapause induction time. RNA interference showed that the target genes play important roles in fat storage during early diapause, and the decrease in their expression leads to a decrease in lipid content in C. septempunctata. These results indicate an important role of ACC, ACSL, ELO, and KAR in lipid accumulation. Our findings could help elucidate the production and accumulation of lipids by insects during the preparation for diapause and improve biological control.

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