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Raamatud Books
" The head is shining chestnut brown with black mandibles. The body is livid or blackish green, naked, with series of black dots, each dot giving rise to a single, rather stout, bristle, The prothoracic shield is blackish. The larva has three pair of thoracic... "
Bulletin of the United States Geological and Geographical Survey of the ... - Page 700
by Geological and Geographical Survey of the Territories (U.S.) - 1878
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Annual Report - Entomological Society of Ontario

Entomological Society of Ontario - 1877
...or blackish green, naked, with series of black dots, each dot giving rise to a single, rather stout, bristle, The prothoracic shield is blackish. The larva...spins a whitish, thin, papery cocoon in the mass of exuding pitoh, which seems to act as a protection to both the larva and the chrysalis. The chrysalis...
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Annual Report - Entomological Society of Ontario, 14. köide

Entomological Society of Ontario - 1884
...black dots on each segment, from each of which arises a single rather stout hair. The larva devours the inner side of the bark, and making furrows in the wood, causes the exudation which, when excessive and continuous, especially in the case of young trees, sometimes proves...
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Annual Report - Entomological Society of Ontario: 1871-1876, 2–8. köide

Entomological Society of Ontario - 1872
...or blackish green, naked, with series of black dots, each dot giving rise to a single, rather stout, bristle, The prothoracic shield is blackish. The larva...spins a whitish, thin, papery cocoon in the mass of exuding pitch, which seems to act as a protection to both the larva and the chrysalis. The chrysalis...
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