. Elementary entomology . FIG. 419. Female Sphecius speciosiis carry- ing cicada to her burrow. (Natural size) (After Riley, United States Department of Agriculture) (Vespidae) live in colonies and, be- sides males and females, have a form of undeveloped females known as workers, all of which are winged. They build their nests either in the ground or attached to bushes, trees, or buildings, and construct them of paper made from bits of wood chewed up and formed into a paste, for they discovered the possibility of making paper from wood pulp long before man thought of it. They are very jealous


. Elementary entomology . FIG. 419. Female Sphecius speciosiis carry- ing cicada to her burrow. (Natural size) (After Riley, United States Department of Agriculture) (Vespidae) live in colonies and, be- sides males and females, have a form of undeveloped females known as workers, all of which are winged. They build their nests either in the ground or attached to bushes, trees, or buildings, and construct them of paper made from bits of wood chewed up and formed into a paste, for they discovered the possibility of making paper from wood pulp long before man thought of it. They are very jealous of their homes and enforce a wholesome respect for them upon whoever even accidentally disturbs them, as every one who has attacked a nest of yellow-jackets or hornets is


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