Natural enemy (Arthropoda-Insecta) biodiversity in vegetable crops in Northeastern Tamil Nadu, India

• Autorzy: Anbalagan V. , Paulraj M.G. , Ignacimuthu S. , Baskar K. , Gunasekaran J.
• Języki publikacji: EN

Abstrakty

EN

Natural enemies of insect pests in vegetable crops (brinjal, okra and tomato) were recorded and their diversity was studied in Kancheepuram and Tiruvallur Districts, Tamil Nadu. Natural enemies were collected by pitfall traps, sweeping nets and by hand picking from January 2011 to December 2013 twice in a month. Totally 129 species of predatory and parasitic insects were recorded. All the natural enemies were grouped into 50 families under eight different orders. Order hymenoptera contained the highest number of families and species. Among the predators, Coccinellidae (ladybird beetles) was found to be the dominant group with high number of species. It was clear that Coccinellidae, Staphylinidae, Carabidae and Pentatomidae were the predominant natural enemies throughout the study period. In 2013, formicidae formed the major family of occurrence from July to December in the vegetable fields; in this period the total number of individuals collected from all families was the highest. The maximum Shannon-Wiener diversity index was 3.70 during the second season in 2013. Maximum richness (5.99) was recorded in the second season of 2012. The variations in the diversity, species richness and evenness between two cropping systems are discussed in this paper.

Słowa kluczowe

EN

India; vegetable crop; eggplant; okra; tomato; border crop; intercrop; roselle; Hibiscus sabdariffa; castor bean; Ricinus communis; vegetable hummingbird; Sesbania grandiflora; cowpea; Vigna unguiculata; plant pest; natural enemy; Insecta; Braconidae; Carabidae; Coccinellidae; Formicidae; Staphylinidae; biodiversity; diversity index; Shannon-Wiener's diversity index; Simpson index

• Wydawca: -
• Czasopismo: International Letters of Natural Sciences
• Rocznik: 2016
• Tom: 53
• Opis fizyczny: p.28-33,ref.

Twórcy

autor

Anbalagan V.

• Entomology Research Institute, Loyola College, Chennai, 600 034, India
• PG Research Department of Zoology,TBML College, Porayar,Tamilnadu, India

autor

Paulraj M.G.

• Entomology Research Institute, Loyola College, Chennai, 600 034, India

autor

Ignacimuthu S.

• Entomology Research Institute, Loyola College, Chennai, 600 034, India

autor

Baskar K.

• Entomology Research Institute, Loyola College, Chennai, 600 034, India
• Department of Entomology and Ecotoxicolgy, Bioscience Research Foundation, Porur -600 116, Chennai, India

autor

Gunasekaran J.

• PG Research Department of Zoology,TBML College, Porayar, Tamilnadu, India

Bibliografia

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• DOI References
• [1] P. DeBach, Biological Control by Natural Enemies, Cambridge University Press (1974). 10.1017/s0376892900005087
• [3] J.F. Tooker, L.M. Hanks. Influence of plant community structure on natural enemies of pine needle scale (Homoptera: Diaspididae) in urban landscapes. Environ. Entomol. 29 (2000) 1305-1311. 10.1603/0046-225x-29.6.1305
• [8] A. Tonhasca Jr, Effects of agroecosystem diversification on natural enemies of soybean herbivores. Entomol. Experimentalis Appl., 1 (1993) 83-90. 10.1111/j.1570-7458.1993.tb01731.x
• [11] E.P. Russell, Enemies Hypothesis: A review of the effect of Vegetational diversity on predatory insects and parasitoids. Environ. Entomol. 18 (1989) 590-599. 10.1093/ee/18.4.590
• [12] N.C. Elliott, R.W. Kieckhefer, D.A. Beck, Effect of aphids and the surrounding landscape on the abundance of Coccinellidae in cornfields. Biological Control, 24 (2002). 10.1016/s1049-9644(02)00036-1

Identyfikatory

DOI

10.18052/www.scipress.com/ILNS.53.28