scholarly journals Seasonal Activity and Abundance of Natural Enemies and Performance of Coccinella septempunctata on Rose Aphid, Macrosiphum rosae (Linn.)

2017 ◽  
Vol 6 (10) ◽  
pp. 2923-2927
Author(s):  
Hafeez Ahmad ◽  
Thanlass Norboo ◽  
Uma Shankar ◽  
Suheel Ahmad Ganai ◽  
Mahesh Kumar ◽  
...  
Keyword(s):  
Natural Enemies ◽  
Coccinella Septempunctata ◽  
Seasonal Activity ◽  
And Performance ◽  
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 Is the poor establishment and performance of heather beetle in Tongariro National Park due to the impact of parasitoids predators or disease

2004 ◽  
Vol 57 ◽  
pp. 89-93 ◽  
Author(s):  
P.G. Peterson ◽  
S.V. Fowler ◽  
P. Barrett
Keyword(s):  
New Zealand ◽  
Natural Enemies ◽  
National Park ◽  
Calluna Vulgaris ◽  
The United Kingdom ◽  
Adverse Weather ◽  
And Performance ◽  
The Impact ◽  
Cermatulus Nasalis ◽  
Heather Beetle

Heather beetle (Lochmaea suturalis) introduced in 1996 into Tongariro National Park New Zealand to control heather (Calluna vulgaris) has established poorly and only damaged heather at one site This work investigated whether natural enemies could be reducing heather beetle establishment and impact No egg larval or adult parasitism was found Possible egg predation by a carabid beetle larvae and occasional attacks on larvae by the native pentatomid (Cermatulus nasalis) were observed in the field Neither the microsporidian pathogen discovered in some beetles imported from the United Kingdom nor any other pathogenic diseases were detected in fieldcollected beetles in New Zealand It is suggested that adverse weather was responsible for a collapse in heather beetle numbers at Te Piripiri during 2002 Further efforts to redistribute heather beetle and continued monitoring of beetle numbers impact natural enemies and climate at release sites are recommended

scholarly journals Documentation of the Major Insect Pest of Cabbage and Their Associated Natural Enemies in Bihar, North-eastern India

2021 ◽  
pp. 58-66
Author(s):  
Anil Kumar ◽  
Md. Monobrullah ◽  
Deepak Ranjan Kishor ◽  
Ritesh Kumar
Keyword(s):  
Natural Enemies ◽  
Insect Pest ◽  
Coccinella Septempunctata ◽  
Research Centre ◽  
Eastern Region ◽  
Cotesia Plutellae ◽  
Larval Parasitoid ◽  
North Eastern ◽  
Rain Fall ◽  
Average Rain

The present investigation was conducted at farm of ICAR-Research Centre for Eastern Region (ICAR-RCER), Patna, Bihar during 2020-21.Geographically, ICAR-RCER, Patna is located at 25o35`30`` N latitude, 85o05`03`` E longitude, at an altitude 52m above mean sea level. The climate of the region is warm and temperate which is characterized by extremes of the temperature both during summer and winter. During summer, temperature may rise as high as 390C and in winter it may fall as low as 2-30C.The total annual average rain fall is 1130mm. This region provides a safe long growing season for most of the crops. Diamond back moth was found to be the most serious insect pest of cabbage. The infestation appeared during first week of January (SMW1) at vegetative stage and remained present up to the harvesting of the crop i.e. 11th SMW. Among the natural enemies, two species of coccinellids (Coccinella septempunctata, C. transversalis), one larval parasitoid (Cotesia plutellae) and one Syrphid fly (Toxomerus geminatus) and one unidentified spider was observed during crop period.

scholarly journals HAMA-HAMA PADA TANAMAN PADI SAWAH (Oryza sativa L.) DI KELURAHAN MAKALONSOW KECAMATAN TONDANO TIMUR KABUPATEN MINAHASA

EUGENIA ◽  
2018 ◽  
Vol 23 (3) ◽  
Author(s):  
J. Manueke ◽  
B. H. Assa ◽  
E. A. Pelealu
Keyword(s):  
Natural Enemies ◽  
Sitophilus Oryzae ◽  
Coccinella Septempunctata ◽  
Stem Borer ◽  
Nilaparvata Lugens ◽  
Paddy Fields ◽  
Wetland Rice ◽  
Sesamia Inferens ◽  
Nymphula Depunctalis ◽  
Rice Stem Borer

ABSTRACT The purpose of this research is to know  the pest species in wetland rice crops at Makalonsow Village of East Tondano Distric in Minahasa Regency. The study used a descriptive obsevational method that is observing directly the pests found in rice paddy fields by means of sweeping with insect net and observing directly on paddy fields plaot and paddy fields clumps. The identified pests were identified and made in accordance with the results of identification for each species of pest.  The results showed that 11 species of pests and 4 spesies of natural enemies found in paddy fields of wetland rice at Makalonsow Village of East Tondano District in Minahasa Regency.  The pests are White Rice Stem Borer (Tryporyza innotata), Rice Cherry Stem Borer (Chilo suppressalis), Purple Rice Stem Borer (Sesamia inferens), White Pest (Nymphula depunctalis), Brown Planthopper (Nephotettix virescens), Green Planthopper (Nilaparvata lugens), Paddy Stink Bug (Leptocorisa acuta), Black Lady Bug (Pareaucosmetus sp.), Rice Weevil   (Sitophilus oryzae), Golden Snail (Pomacea caniculata), Hous and Tre Sparow (Passer spp.), and Rice-field Rat (Ratus argentiventer.). Natural enemies are Worship Grasshopper (Mantis sp.), Dragonflies (Sympetrum flaveolum), Coccinelid Beetle (Coccinella septempunctata), and Spider Hunters (Pardosa sp.).Keywords : plant pest, wetland rice crops,  natural enemies of pest ABSTRAK Tujuan penelitian adalah mengetahui jenis-jenis hama pada tanaman padi sawah di Kelurahan Makalonsow Kecamatan Tondano Timur Kabupaten Minahasa. Penelitian menggunakan metode obsevasional deskriptif yaitu mengamati langsung hama yang ditemukan pada areal tanaman padi sawah dengan cara penyapuan dengan net serangga dan mengamati langsung pada petakan sawah dan rumpun tanaman padi sawah. Hama-hama yang ditemukan diidentifikasi dan dibuat deskripsi sesuai dengan hasil identifikasi untuk setiap jenis hama. Hasil penelitian menunjukkan bahwa ditemukan 11 jenis hama dan 4 jenis musuh alami padahabitat tanaman padi sawah di Kelurahan Makalonsow Kecamatan Tondano Timur Kabupaten Minahasa. Hama-hama tersebut yaitu Penggerek batang padi putih (Tryporyza innotata), Penggerek Batang Padi Bergaris (Chilo suppressalis), Penggerek Batang Padi Ungu (Sesamia inferens), Hama Putih (Nymphula depunctalis), Wereng Coklat (Nephotettix virescens), Wereng Hijau (Nilaparvata lugens), Walang Sangit (Leptocorisa acuta), Kepik Hitam (Pareaucosmetus sp.), Bubuk Beras (Sitophilus oryzae), Keong Emas (Pomacea caniculata), Hama Burung Padi Sawah (Passer spp.), dan Hama Tikus Sawah (Ratus argentiventer).  Musuh alami yaitu  Belalang Sembah (Mantis sp.), Capung (Sympetrum flaveolum), Kumbang Coccinelid (Coccinella septempunctata), dan Laba-Laba Pemburu (Pardosa sp.).Kata kunci : hama tanaman, tanaman padi sawah, musuh alamiah hama

scholarly journals Within-field distribution of the damson-hop aphid Phorodon humuli (Schrank) (Hemiptera: Aphididae) and natural enemies on hops in Spain

2017 ◽  
Vol 15 (2) ◽  
pp. e1006
Author(s):  
Alicia Lorenzana ◽  
Alfonso Hermoso de Mendoza ◽  
Victoria Seco ◽  
Piedad Campelo ◽  
Pedro A. Casquero
Keyword(s):  
Spatial Distribution ◽  
Wind Speed ◽  
Pest Management ◽  
Field Distribution ◽  
Natural Enemies ◽  
Natural Enemy ◽  
Coccinella Septempunctata ◽  
Population Densities ◽  
Phorodon Humuli ◽  
Sampling Program

A field trial was performed in a hop yard throughout 2002, 2003 and 2004 in order to determine the within-field distribution of Phorodon humuli (Schrank) (Hemiptera: Aphididae) and its natural enemies. The distribution of P. humuli was directly affected by the position of the hop plants in the garden, with significantly higher concentrations of aphids (p=0.0122 in 2002 and p=0.0006 in 2003) observed along the edge. However, in 2004 the plants located on the marginal plots had similar populations to those on the more inner plots. This can be explained by a higher wind speed which made it more difficult to land on edge plants first. The hop aphid’s main natural enemy was Coccinella septempunctata (Coleoptera: Coccinellidae), whose population was greatest where the aphids were most abundant with a significantly greater number of eggs (p=0.0230) and adults (p=0.0245) in 2003. Lacewing eggs were also frequently observed, with a significantly higher population (p=0.0221 in 2003 and p=0.0046 in 2004) where the aphid numbers were high. The number of winged aphids was greatest towards the margins of the garden in 2003. It is argued that the spatial distribution of the hop aphid and its natural enemies could be used to plan a sampling program and to estimate the population densities of these insects for use in integrated pest management programs.

Sign in / Sign up

Export Citation Format

Share Document