8 Trap-nest 2 of trap-nest bundle at Tawi Ruwayyan on 27 April 2015, showing Megachile maxillosa initiating a cell 9 Trap-nest 1 of trap-nest bundle at Tawi Ruwayyan on 27 April 2015, showing two closed cells of M. maxillosa followed by leaf pieces, presumed to be those of a leaf cutting Megachile sp. 10 Trap-nest 2 of trap-nest bundle at Tawi Ruwayyan on 28 April 2015, showing first cell being provisioned by the builder, M. maxillosa 11 Trap-nest 4 of trap-nest bundle at the Camel Farm on 27 April, showing one open cell being provisioned by M. maxillosa 12 Trap-nest 4 of trap-nest bundle at the Camel Farm on 28 April 2016, showing two closed provisioned cells with M. maxillosa initiating a third cell 13 Trap nest 3 of trap-nest bundle at the Camel Farm showing nest of Pseudoheriades grandiceps at inner end followed by three-celled nest of M. maxillosa 14 Trap-nest 4 of trap-nest bundle at the Camel Farm showing final seal of nest of M. maxillosa 15 M. maxillosa female imago (actual length approx. 22 mm) with open cocoon.