3. Megachile (Creightonella) fraterna Smith, 1853 (Figure 1c)

1853. Megachile fraterna Smith, Cat. Hym. Brit. Mus., 1: 178 (H, ♀).

Material examined: 01 ♀, India, West Bengal, Sundarban, Sagar Island, 21.7269°N, 88.1096°E, 20.iii.2018, sweep net, coll. Kashramkar; 01 ♀, Mandirtala, 21.8205°N ,

88.0987°E, 26.x.2018, Handpicked, coll. S. Dey.

Distribution: India, Sikkim (Gupta, 1993), West Bengal (new record).

Floral associations: Crotalaria juncea ( Fabaceae) (Chatthanabun & Warrit, 2019).

IV. Subgenus Eutricharaea Thomson, 1872