The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 343
... infestation present or that is liable to be present , and all articles or packages or soils apt to be so infested or infected shall be held until the said articles or packages or soils have been thoroughly disin- fected and all ...
... infestation present or that is liable to be present , and all articles or packages or soils apt to be so infested or infected shall be held until the said articles or packages or soils have been thoroughly disin- fected and all ...
Страница 349
... infested with the alfalfa weevil ( Phytonomus posticus ) ; and WHEREAS , The devastation of this insect is very serious , often ruining the entire crop ; and WHEREAS , Our alfalfa product is very important , its estimated cash value for ...
... infested with the alfalfa weevil ( Phytonomus posticus ) ; and WHEREAS , The devastation of this insect is very serious , often ruining the entire crop ; and WHEREAS , Our alfalfa product is very important , its estimated cash value for ...
Страница 27
... infested region which had been completely defoliated in the previous two years were perfectly green . Mr. Mangan informed me that the sawfly larvæ were very scarce . history of the pest was of great interest as indicating the operations ...
... infested region which had been completely defoliated in the previous two years were perfectly green . Mr. Mangan informed me that the sawfly larvæ were very scarce . history of the pest was of great interest as indicating the operations ...
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