The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница xiii
... aphid , Myzus persica- Harlequin cabbage bug , Murgantia histrionica . Hemispherical scale , Saissetia hemisphærica_ Six - spotted mite , Tetranychus bimaculatus_ Twelve - spotted cucumber beetle , Diabrotica soror . Cissus sp . Greedy ...
... aphid , Myzus persica- Harlequin cabbage bug , Murgantia histrionica . Hemispherical scale , Saissetia hemisphærica_ Six - spotted mite , Tetranychus bimaculatus_ Twelve - spotted cucumber beetle , Diabrotica soror . Cissus sp . Greedy ...
Страница 65
THE LARGE ROSE APHID . Macrosiphum rosa Linn . ( Fig . 60. ) General Appearance . - A large aphid , being green and pink in color . The apterous forms have dark cornicles and the joints of the legs and antennæ dusky , while in addition ...
THE LARGE ROSE APHID . Macrosiphum rosa Linn . ( Fig . 60. ) General Appearance . - A large aphid , being green and pink in color . The apterous forms have dark cornicles and the joints of the legs and antennæ dusky , while in addition ...
Страница 247
... aphid ( Macrosiphum citrifolii Ashm . ) , the orange aphid ( Toxoptera aurantiæ Koch ) , the melon aphis ( Aphis gossypii Glover ) and the black peach aphis ( Aphis persica - niger Smith ) . B C A O FIG . 242. The large syrphid fly ...
... aphid ( Macrosiphum citrifolii Ashm . ) , the orange aphid ( Toxoptera aurantiæ Koch ) , the melon aphis ( Aphis gossypii Glover ) and the black peach aphis ( Aphis persica - niger Smith ) . B C A O FIG . 242. The large syrphid fly ...
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