SHASHIDHAR VIRAKTAMATH and ANUJA NAIK AND D.SHISHIRA, “MORPHOMETRY OF FEMALE AND ASSOCIATED MALE STINGLESS BEES OF THE GENUS TETRAGONULA (HYMENOPTERA: APIDAE: MELIPONINI) FROM INDIA”, The Bioscan, vol. 16, no. 1, pp. 09–26, Jan. 2021.