Contrary to Srdić and Gloor's report, we find crystal cells (cc) in the lymph glands of D. melanogaster larvae; the size and number of inclusions in the cc cannot be used to distinguish the 2 sibling species, D. melanogaster and D. simulans ; cc in the hemocoel are not phagocytic cells; the surface properties of the lamellocytes are consistent with their derivation from plasmatocytes and not cc.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/42706/1/18_2005_Article_BF01976142.pd
