• Time and energy budgets of alfalfa pollinating beesMegachile nana bingh andMegachile flavipes Spinola (Hymenoptera: Megachilidae)

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    • Keywords


      Energy budget; alfalfa; Megachile nana ; Megachile flavipes ; pollination

    • Abstract


      Laboratory measurements of physiological energetics were coupled with the field observations on time budget/energy intake ofMegachile nana andMegachile flavipes to estimate the daily energy budget. The energy budget varied from one day to another, and crop to crop. In general, the foraging profitability/attractibility was in the following order for both the species:Parkinsonia aculeata> Medicago sativa> Trifolium alexandrium. The studies revealed the competitive superiority ofParkinsonia aculeata overMedicago sativa andTrifolium alexandrium.

    • Author Affiliations


      D P Abrol1 2

      1. Department of Zoology, Haryana Agricultural University, Hisar - 125 004, India
      2. Division of Entomology, S K University of Agricultural Sciences and Technology, Srinagar - 191 121, India
    • Dates


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