The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 575
... observations made at Arcachon in the previous April on the processional habit of the larvae of the Eupterotid moth Cnethocampa pinivora ( Proc . Camb . Phil . Soc . , 1907 , xiv . Pt . 1 . p . 97 ) . In this paper I referred to the work ...
... observations made at Arcachon in the previous April on the processional habit of the larvae of the Eupterotid moth Cnethocampa pinivora ( Proc . Camb . Phil . Soc . , 1907 , xiv . Pt . 1 . p . 97 ) . In this paper I referred to the work ...
Страница 14
... observations of the European form and two years ' observations of the American form made for purposes of comparison and confirmation of the previous records of Packard , which were the only records existing of a complete nature . In ...
... observations of the European form and two years ' observations of the American form made for purposes of comparison and confirmation of the previous records of Packard , which were the only records existing of a complete nature . In ...
Страница 38
... observations are confirmatory of my belief and observations as to the method of infection . They also indicate that the fungus is an important factor in the control of the disease , which is supported by my own and Mr. Mangan's observations ...
... observations are confirmatory of my belief and observations as to the method of infection . They also indicate that the fungus is an important factor in the control of the disease , which is supported by my own and Mr. Mangan's observations ...
Чести термини и фразе
abdomen abdominal segment adult antennæ ants aphid Aphis Appearance apple arsenic attacked body breeding brood buds California caterpillars cells cent citrus cocoons colonies color Commissioner cornicles cyanide damage deposited destructive Distribution dorsal early eggs Entomologist erichsonii Essig Family feed femora flies foliage Food Plants fruit fumigation gallons genus green hatch head hibernate History horticultural host inch long infested instabilis ladybird beetle larch Larch Sawfly large numbers larva larvæ lateral leaves legs Linn louse maggots male mealy bug mermithergates mites mosquitoes moth muscles Natural Enemies nest numbers observations Orasema orchards ovipositor P. C. Jr parasites Paris green pest Pheidole plant lice Plate Polyederkrankheit pound pseudogynes pupa pupæ pupal pupate quarantine Raupen sawfly scale insects southern species specimens spiracles spray spring stage summer surface thorax thrips Throughout the entire trees usually ventral winged female winter workers yellow young