Indian Journal of Animal Research

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Research Article

Indian Journal of Animal Research, volume 54 issue 4 (april 2020) : 482-487

Efficient pollinators of threatened taxa, Sarpagandha (Rauvolfia serpentina) under North Indian conditions

Vadde Anoosha, Sumit Saini, H.D. Kaushik
1Department of Entomology CCS Haryana Agricultural University, Hisar-125 044, Haryana, India.
Cite article:- Anoosha Vadde, Saini Sumit, Kaushik H.D. (2019). Efficient pollinators of threatened taxa, Sarpagandha (Rauvolfia serpentina) under North Indian conditions. Indian Journal of Animal Research. 54(4): 482-487. doi: 10.18805/ijar.B-3772.

ABSTRACT

An experiment was carried out to investigate the diversity, abundance and pollination efficiency of different insect visitors/pollinators of Rauvolfia serpentina (Sarpagandha) during 2014 and 2015. This experiment was conducted at Medicinal Section, Department of G &PB, CCSHAU, Hisar. Sarpagandha flowers attracted wide varieties of insects belonging to 4 orders, 10 families, 16 genera and 17 species. Among them nine belongs to order Lepidoptera, one Coleoptera, two Diptera, and two Hymenoptera. Lepidopterans came out to be the most abundant pollinators of this crop. Peak abundance of major insect pollinators was recorded at 1000h-1200h while minimum abundance was recorded at 0600h -0800h. Amegilla zonata had the highest number of loose pollen grains, 23.50 (‘000), sticking to its body followed by Papilio demoleus and Pieris sp. Papilio demoleus was reported as most efficient pollinator followed by Amegilla zonata and Pieris sp. based on the pollination index. Long proboscis of lepidopterans i.e., Papilio demoleus and small sized hymenopterans i.e., Amegilla zonata plays key role in pollination of Sarpagandha. Conservation of these pollinators in natural ecosystem is must for pollination of these threatened taxa.

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