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. 34
... dorsal surface of the thorax at its posterior portion ; and the dorsal surface of the first two or three abdominal rings . I propose to point out the characteristic marks which are to be found in each of these parts respectively in the ...
... dorsal surface of the thorax at its posterior portion ; and the dorsal surface of the first two or three abdominal rings . I propose to point out the characteristic marks which are to be found in each of these parts respectively in the ...
Стр. 39
... dorsal aspect of the insect , we find on the vertex of the head and on the thorax but few distinctive marks . For the two yellow spots which appear on the metathorax , one on either side , are common to the other tree - wasps as well as ...
... dorsal aspect of the insect , we find on the vertex of the head and on the thorax but few distinctive marks . For the two yellow spots which appear on the metathorax , one on either side , are common to the other tree - wasps as well as ...
Стр. 40
... dorsal aspect begins . In the middle this black marking comes down in an obtuse angle . At the sides it slopes off in an even line , except where it is encroached upon by an orange- coloured spot . The yellow border of this ring has ...
... dorsal aspect begins . In the middle this black marking comes down in an obtuse angle . At the sides it slopes off in an even line , except where it is encroached upon by an orange- coloured spot . The yellow border of this ring has ...
Стр. 44
... dorsal aspect of the first abdominal ring . The broad yellow dorsal surface is broken by three black spots . Of these the central spot is the most con- spicuous ; it is diamond shaped with the angles somewhat rounded off , and extends ...
... dorsal aspect of the first abdominal ring . The broad yellow dorsal surface is broken by three black spots . Of these the central spot is the most con- spicuous ; it is diamond shaped with the angles somewhat rounded off , and extends ...
Стр. 46
... dorsal aspect , and the central marking is diamond - shaped , with the lateral angles much elongated . In some workers of the two species the markings of this ring are absolutely the same . The saddle - shaped marking , which begins in ...
... dorsal aspect , and the central marking is diamond - shaped , with the lateral angles much elongated . In some workers of the two species the markings of this ring are absolutely the same . The saddle - shaped marking , which begins in ...
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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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