GIRISHKUMAR, P., and L. KISHORE. “REDESCRIPTION AND NEW DISTRIBUTIONAL RECORDS OF XENORHYNCHIUM NITIDULUM (FABRICIUS) (HYMENOPTERA : VESPIDAE : EUMENINAE) FROM VARIOUS STATES OF INDIA”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 31, no. 3, Mar. 2011, pp. 311-6, https://www.mbimph.com/index.php/UPJOZ/article/view/535.