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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Стр. 35
... central patch which constitutes so large a portion of a wasp's face . The large com- pound eyes are indented by a deep notch behind the antennæ , dividing them into two portions which are technically called the upper and lower limbs ...
... central patch which constitutes so large a portion of a wasp's face . The large com- pound eyes are indented by a deep notch behind the antennæ , dividing them into two portions which are technically called the upper and lower limbs ...
Стр. 36
... central spot . Below this the large mandibles meet in the mesial line , sometimes overlapping a good deal . Narrowing as they diverge from each other , they are articulated at the other end to the yellow horny rim , which sur- rounds ...
... central spot . Below this the large mandibles meet in the mesial line , sometimes overlapping a good deal . Narrowing as they diverge from each other , they are articulated at the other end to the yellow horny rim , which sur- rounds ...
Стр. 38
... central , paler ; and two smaller , lateral , more defined , and of a deeper colour . These diminish regularly on each successive ring ; the central most rapidly . After the third ring the point of the central cusp has generally ...
... central , paler ; and two smaller , lateral , more defined , and of a deeper colour . These diminish regularly on each successive ring ; the central most rapidly . After the third ring the point of the central cusp has generally ...
Стр. 40
... central cusp disappears in the succeeding rings ; and , as the band becomes narrower , the ends of the lateral ones are disconnected with it and stand out as isolated black spots on the yellow ground . The male has the same markings on ...
... central cusp disappears in the succeeding rings ; and , as the band becomes narrower , the ends of the lateral ones are disconnected with it and stand out as isolated black spots on the yellow ground . The male has the same markings on ...
Стр. 41
... central point , the regular sweep of which is but little interfered with by the slight projection of the angular ... central point , though their sweep is more broken by projecting lateral cusps . These are most distinct in the worker ...
... central point , the regular sweep of which is but little interfered with by the slight projection of the angular ... central point , though their sweep is more broken by projecting lateral cusps . These are most distinct in the worker ...
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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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