. An introduction to zoology, with directions for practical work (invertebrates). CHAP. XXIV INSECTA : HYMENOPTERA 363 behind the head, though the full number is not always visible externally. The metamorphosis is great, and takes place during a resting pupal stage. The social habit is common, with a differentiation of castes of individuals in many of the Societies. Classifica- The following families of the Hymenoptera will tion. be considered here :â â 1. Bees (Apidae). Series Aculeata ^- ^°"^^ ^^^P^ (Vespidae). (possessing a sting). f" Solitary Wasps CEi^^mda.). °' 4. Diggi-ngWaa
. An introduction to zoology, with directions for practical work (invertebrates). CHAP. XXIV INSECTA : HYMENOPTERA 363 behind the head, though the full number is not always visible externally. The metamorphosis is great, and takes place during a resting pupal stage. The social habit is common, with a differentiation of castes of individuals in many of the Societies. Classifica- The following families of the Hymenoptera will tion. be considered here :â â 1. Bees (Apidae). Series Aculeata ^- ^°"^^ ^^^P^ (Vespidae). (possessing a sting). f" Solitary Wasps CEi^^mda.). °' 4. Diggi-ngWaa^B (PompihdaeandSphegidae). 5. Ants (Formicidae). Series Parasitica [ 6. Saw-flies {Tenthredinidae). (having an ovipositor-i 7. Gall-fties (Gynipidae). instead of a sting). [ 8. Ichneumon-flies (Ichneumonidae). Family 1. Bees (Apidae). Bees are large insects with hairy bodies; many of them live socially in colonies with a differentiation of the individuals into three castes: queens, males, and workers (incom- pletely developed females), all of which are winged. The food consists of pollen and nectar, the latter being obtained from flowers by means of the lengthened modified mouth- parts which form the proboscis characteristic of the family (Fig. 289). The Honey Bee {Apis mellifica)} Constitution Honey bees live a social life in of the communities of many thousands. Colony. During the greater part of the ^ Much of our knowledge of Bee life we owe to the ingenious experiments devised by Francis Huber, the blind naturalist. In spite of his great affliction, he was able â owing to the help of his devoted servant, Francis Burnens, who literally became eyes to himâto devote himself for many years to the study of Bees, pub- lishing in 1789 the results of his researches in a boolc entitled Nouvelles Observations sur les Worker. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and a
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1913
