References for species Sphingius barkudensis Gravely, 1931

Species Reference Comment Distribution
Sphingius barkudensis Gravely 1931: 271, f. 19G-H
(PDF not available.)  (Dmf). Bangladesh, India
Sphingius barkudensis Majumder & Tikader 1991: 152, f. 320-325
(PDF not available.)  (mf).  
Sphingius barkudaensis Biswas & Raychaudhuri 2000: 132, f. 8-14
(PDF not available.)  (mf).  
None noted here.
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