Garishma Singh, G.P. Painkra*, K.L. Painkra, P.K. Bhagat, Sachin Kumar Jaiswal
and Shilvi Yadav
Department of Entomology, Raj Mohini Devi College of Agriculture and Research Station, Ambikapur-497001 (C.G.)
Email: garishmasingh02@gmail.com
Received-09.07.2021, Revised-16.08.2021, Accepted-26.08.2021
Abstract: A field experiment was undertaken to study the diversity of insect visitors/pollinators in pigeonpea during Kharif 2020-21 at Raj Mohini Devi College of Agriculture and Research Station, Ambikapur. The pigeonpea crop attracted twelve species of pollinators represented by family Apidae (73.98%), Megachilidae(13.36%), Vespidae,( 2.64%) belonging to a order hymenoptera; Muscidae (2.60%)belonging to a order Diptera; Lycaenidae(5.15%), Erebidae (1.55%) belonging to a order Lepidoptera; and Pyrrhocoridae (1.01%) belonging to a order Hemiptera .Species wise diversity indicated that Tetragonula iridipennis was the most dominant one(35.88%). followed by Apis mellifera (20.62%), Apis dorsata (11.23%), Megachile lanata (9.43%), Lampides boeticus (5.15%), Megachile disjuncta (3.93%), Apis cerana indica (3.47%), Xylocopa latipes (2.78%), Vespa velutina( 2.64%), Musca domestica (2.60%), Amata phegea (1.55%) and Dysdercus cingulatus (0.73%). All the visitors/pollinators were active during the mid flowering stage except Megachile disjuncta, Dysdercus cingulatus which were more active at the late flowering stage. At peak activity period i.e mid flowering stage, Tetragonula iridipennis with 7.58 bees/m2/5min followed by Apis mellifera 4.90 bees/m2/5min and also at late flowering stage, Tetragonula iridipennis 5.66 bees/m2/5 min followed by Apis mellifera 2.60 bees/m2/5min outnumbered the other pollinators. Among the species, the insect pollinators/ visitors abundance were more at 10.00a.m.-11.00 a.m. (2.25 bee/m2/5 min) followed by at 13.00-14.00 p.m. (1.73 bee/m2/5 min).
Keywords: Honey bees, pollinators/visitors, pigeonpea, wasps
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