British Social Wasps: An Introduction to Their Anatomy and Physiology, Architecture, and General Natural History ; with Illustrations of the Different Species and Their NestsLongmans, Green, Reader, and Dyer, 1868 - Всего страниц: 270 |
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... changes its functions , where the stomach ends and the small intestine begins . Probably we shall break the alimentary canal of a good many wasps , at this delicate point , before we succeed in obtaining a specimen of the tube , perfect ...
... changes its functions , where the stomach ends and the small intestine begins . Probably we shall break the alimentary canal of a good many wasps , at this delicate point , before we succeed in obtaining a specimen of the tube , perfect ...
Стр. 28
... changes into a pupa , and so sleeps through the winter . The maternal duties of the mother - wasp seem to cease with the closure of each cell ; after she has put in the food and closed the door she has no further care for the future ...
... changes into a pupa , and so sleeps through the winter . The maternal duties of the mother - wasp seem to cease with the closure of each cell ; after she has put in the food and closed the door she has no further care for the future ...
Стр. 37
... A dark zone sends out a rounded point from beneath the preceding ring , then follows a broad paler band , deepening towards the edge , till it suddenly changes , as before , into a broad CLASSIFICATION OF THE SPECIES . 37.
... A dark zone sends out a rounded point from beneath the preceding ring , then follows a broad paler band , deepening towards the edge , till it suddenly changes , as before , into a broad CLASSIFICATION OF THE SPECIES . 37.
Стр. 38
... changes , as before , into a broad yellow border . The smooth edge observed in the first segment is broken in the second by three projections or cusps ; one larger , central , paler ; and two smaller , lateral , more defined , and of a ...
... changes , as before , into a broad yellow border . The smooth edge observed in the first segment is broken in the second by three projections or cusps ; one larger , central , paler ; and two smaller , lateral , more defined , and of a ...
Стр. 61
... changes before it becomes the tegumentary skeleton of the perfect wasp . But the changes are all transacted within the cell . When the insect emerges from the cocoon her skin is as perfect and as changeless as the rest of her structure ...
... changes before it becomes the tegumentary skeleton of the perfect wasp . But the changes are all transacted within the cell . When the insect emerges from the cocoon her skin is as perfect and as changeless as the rest of her structure ...
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abdomen abdominal ring antennæ appear arrangement attached bees black band body britannica British build cells central clypeus cocoon colour comb compound eyes connected Crown 8vo cusp Cyclopædia dark displayed distinct dorsal dorsal scale edge eggs Entomology examination female fibres fore-wings germanica glands ground-wasps higher animals honey-bee hooks hornet horny Hymenoptera Illustrations integument joints labium labour larger larva larvæ layer legs less limbs male mandibles markings materials maxillæ membrane meta-thorax metathorax microscope mouth muscles of flight Natural History nest notch observation oesophagus organs outer ovaries pair paper perfect insect Plate portion prothorax pupa queen round rufa salivary glands scale scarcely scutellum seen segments side skin smaller Solitary group species specimen spiracles spots sting structure surface swarm sylvestris thorax tion trace trachea tree-wasps tubes ventral scales Vespa Vespidæ vulgaris wasp's wasps wings workers yellow
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