L'Hypermetamorphose et les Moeurs des Meloides.
"The Life-Story of Insects" by Geo. H. Carpenter
Cantharidin: the substance that gives the meloid beetles their blistering power composition, C10H12O4 (von Furth).
"Explanation of Terms Used in Entomology" by John. B. Smith
The meloidal parasite of the Osmiae, therefore, is recognized.
"The Glow-Worm and Other Beetles" by Jean Henri Fabre