The Spider Fauna of the Irrigated Rice Ecosystem in Central Kerala, India Across Different Elevational Ranges

Sebastian, Pothalil A.; Mathew, Mundackatharappel J.; Beevi, S. P.; Joseph, John E.; Biju, C R

doi:10.1636/05-08.1

Cited by 45 publications

(45 citation statements)

References 14 publications

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“…Tetragnatha javana (Tetragnathidae) was the most dominant species recorded in foliage sample. This species is also reported from arable fields of India (Sebastian et al 2005) but its percentage is not as high as recorded in the study. This species was not reported from wheat fields of China (Wu et al 2009).…”

Section: Discussioncontrasting

confidence: 60%

Effect of different agricultural practices on spiders and their prey populations in small wheat fields

Butt

Sherawat

2012

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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The influence of different agricultural practices (viz., edge crop, zero tillage sowing and low input of fertilizers) on the density and diversity of spider populations of small wheat fields present in close vicinity were compared in experiments conducted from 2007Á2009. The study was conducted in district Sheikhupura, Punjab province, Pakistan. Five fields with different management activities were sampled for spiders using pitfall traps and a visual search method. A total of 23,097 specimens of spiders belonging to 47 species, 21 genera and 12 families were recorded during the study. There was a difference in the density and richness of spiders and high density was recorded in the zero-tillage sown fields and lowest in low-input fields. However, the diversity and evenness did not differ with the habitat types. The analysis of agrobiont species distribution showed that hunting spiders were abundant in zero-tillage sown wheat and orb webs in wheat fields edged with Brassica napus crop. Density of spiders in fields was associated with aphid and collembolan density. Based on this study we can suggest that diversification of management activities can be helpful to maintain spider diversity in the crop which can be helpful in pest management activities.

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Section: Discussioncontrasting

confidence: 60%

Effect of different agricultural practices on spiders and their prey populations in small wheat fields

Butt

Sherawat

2012

Acta Agriculturae Scandinavica, Section B - Soil & Plant Sc

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“…All spiders are predaceous and play an important role in reduction of pest population because of their abundance and high predatory potential. Most of them are polyphagous predators, able to feed on various insects including major rice pests (Ito et al 1962;Kiritani et al 1970;Kawahara et al 1974;Oraze and Grigarick 1989;Lang et al 1999;Schmidt et al 2004;Sebastian et al 2005;Takashi et al 2006). In addition to killing pest by direct attack, they also cause pest mortality by dislodging them from the plants or trapping them in the webs (NyVeler et al 1994a;Landis et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Predatory potential of three hunting spiders inhabiting the rice ecosystems

Tahir

Butt

2009

J Pest Sci

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Present study was designed to assess the prey preference behaviour of three most dominant hunting spiders [Lycosa terrestris Butt, Anwar and Tahir 2006 (Araneae: Lycosidae), Pardosa birmanica Siman 1884 (Araneae: Lycosidae) and Oxyopes javanus (Thorell 1887) (Araneae: Oxyopidae)] of rice ecosystems both in the laboratory and in the Weld. Two types of laboratory experiments, i.e., choice and no choice feeding, were performed using only adult male and female specimens of the spiders. No choice test showed that each of the three hunting spiders readily consumed larvae and nymphs of rice pests oVered. Female hunting spiders consumed more prey compared to male hunting spiders. Results of choice feeding test indicated that L. terrestris and P. birmanica preferred nymphs of rice insect pests while O. javanus preferred larvae of rice insect pests. Results of direct observations showed that in August, dipterous insects were the most numerous rice pests consumed by L. terrestris, P. birmanica and O. javanus, comprising over 56.3, 38 and 48% of their respective diets. In contrast, in September, the proportion of dipterous insects decreased dramatically and hoppers become the most numerous pests, comprising over 50, 51 and 41% of all prey and spiders consumed by L. terrestris, P. birmanica and O. javanus, respectively. In October, aquatic Heteroptera were frequently observed in their diets. Predatory potential of these hunting spiders diVered statistically in the laboratory as well as in the Weld. It is concluded from the results of present project that studied species of spiders could successfully be used to control insect pests of rice ecosystems.

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“…Merujuk pada Tabel 3, bahwa famili laba-laba yang mendominasi adalah Tetragnathidae sebagai laba-laba pembuat jaring. Sebastian et al (2005) menegaskan bahwa dominasi oleh Tetragnathidae diduga bahwa lahan yang organik, basah, kelimpahan mangsa dan vegetasi yang baik akan memberikan kondisi habitat yang cocok bagi perkembangan generasi laba-laba berikutnya.…”

Section: Analisis Dataunclassified

KELIMPAHAN DAN KEANEKARAGAMAN PREDATOR LABA-LABA PADA EKOSISTEM SAWAH PADI HITAM (Oryza sativa L) BERPUPUK ORGANIK

Dewi¹,

Octaviani²,

Sari³

et al. 2020

Agrikultura

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Laba-laba merupakan salah satu predator penting dalam mengatur populasi serangga hama di ekosistem padi. Aplikasi pupuk ampas bungkil mimba dan kompos gulma siam diharapkan meningkatkan keberadaan laba-laba. Tujuan penelitian adalah untuk menganalisis kelimpahan dan keanekaragaman laba-laba pada ekosistem sawah padi hitam berpupuk organik asal ampas bungkil mimba dan gulma siam. Percobaan dilaksanakan di Cinenggang, Desa Cileles, Kecamatan Jatinangor, Kabupaten Sumedang, sejak bulan Mei – November 2018. Penelitian dilakukan dengan metode Rancangan Acak Kelompok (RAK) dengan lima perlakuan yaitu Kontrol, NPK, Pupuk Ampas Mimba, Kompos Gulma Siam, dan Pupuk Kandang Sapi dengan dilakukan enam ulangan. Hasil penelitian diperoleh 8 famili laba-laba yaitu, Tetragnathidae, Pholcidae, Linyphiidae, Lycosidae, Theridiidae, Oxyopidae, Clubionidae dan Araneidae. Famili yang paling dominan pada semua perlakuan adalah Tetragnathidae, dan selanjutnya diikuti oleh Famili Pholcidae dan Linyphiidae. Jumlah total laba-laba, indeks keragaman, kelimpahan, kekayaan dan kemerataan spesies diketahui cenderung lebih tinggi pada perlakuan pupuk ampas bungkil mimba dan kompos gulma siam daripada perlakuan NPK dan kontrol.

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The Spider Fauna of the Irrigated Rice Ecosystem in Central Kerala, India Across Different Elevational Ranges

Cited by 45 publications

References 14 publications

Effect of different agricultural practices on spiders and their prey populations in small wheat fields

Effect of different agricultural practices on spiders and their prey populations in small wheat fields

Predatory potential of three hunting spiders inhabiting the rice ecosystems

KELIMPAHAN DAN KEANEKARAGAMAN PREDATOR LABA-LABA PADA EKOSISTEM SAWAH PADI HITAM (Oryza sativa L) BERPUPUK ORGANIK

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