 The type species S. thailandica was first described scientifically in 2009 by Egon Horak , Timothy <unk> and Dennis E. Desjardin , based on specimens collected in July 2002 in Khao Yai National Park , central Thailand , and roughly three years later in the same location . Before this , S. thailandica had been reported and illustrated in a 2001 Thai publication as an unidentified species of <unk> . 
