. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . Nest of Polistes zaJHcola. sance sometimes in the orchard, where they are apt to attack all fruits that show the least trace of injury or decay, and they have been accused, as, indeed, have the bees as well, of actually punct- uring juicy specimens to get at the liquid contained in them. Some of the species are undoubtedly useful in poUenizing fruit flowers, but there are none of pre-eminent advantage in this di- rection. The last family in the order contains th


. Economic entomology for the farmer and fruit-grower [microform] : and for use as a text-book in agricultural schools and colleges . Nest of Polistes zaJHcola. sance sometimes in the orchard, where they are apt to attack all fruits that show the least trace of injury or decay, and they have been accused, as, indeed, have the bees as well, of actually punct- uring juicy specimens to get at the liquid contained in them. Some of the species are undoubtedly useful in poUenizing fruit flowers, but there are none of pre-eminent advantage in this di- rection. The last family in the order contains the bees, and these, as in the wasps, may be either social or solitary. The solitary bees are those in which male and female only are developed, and their habits in nest-building resemble in many cases those of the wasps. Thus, we have species that build in the ground, those that make cells in the pith of plants, others that are true carpen- ters and bore tunnels in solid wood, and, in short, we may find bee homes in much the same situation that we find wasp domi- ciles. Their cells may be distinguished, however, in all cases by


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphila, bookyear1896