...One species, Vespa sylvestris, which seldom enters our houses, is very partial to the flowers of Scrophularia (Figwort)... 
Edward Saunders 「Wild Bees, Wasps and Ants」
...arborea, is an associate of Vespa rufa; its habits had been suspected for a long time, but Mr...
Edward Saunders 「Wild Bees, Wasps and Ants」
...The Paper-making wasps, of which Vespa maculata (Fig...
Alpheus Spring Packard 「Our Common Insects」
... Vespa crabro (see Hornet)...
J. Henri Fabre 「More Hunting Wasps」
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