Could you identify which species of ant is this queen?
Although absolutely no formal criteria are visible on your photo, the general shape of the ant, especially the wide elongated head and low thorax, is typical of the ant genus Camponotus.

See ref below:


  Bolton, B., Alpert, G., Ward, P. S., &amp; Naskrecki, P. (2006). Bolton’s
  Catalogue of Ants of the World. Massachusetts, Harvard University
  Press (CD-ROM).