Chlorion aerarium (Steel-blue Cricket Hunter).
Size: approx. 20 mm. Photo: 09/06/14, 1 pm.

Steel-blue Cricket Hunters live wherever their hosts (Gryllus crickets) are found. Females mass-provision several cells with each 2 to 9 nymphs or adults. This hunter had lost one of its wings and fell of our house wall shortly after I took this photo. 
bug guide (this photo):