The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 44
... lateral and 3 , front view of lateral tubercle of compound eye . ( Essig , P. C. Jr. Ent . ) THE WOOLLY BUTTERCUP LOUSE . Pemphigus californicus Davidson . (. 52 THE MONTHLY BULLETIN .
... lateral and 3 , front view of lateral tubercle of compound eye . ( Essig , P. C. Jr. Ent . ) THE WOOLLY BUTTERCUP LOUSE . Pemphigus californicus Davidson . (. 52 THE MONTHLY BULLETIN .
Страница 107
... lateral plates ( c.pl. ) which have their free margins curved upwards and inwards , and a central , oblong plate of dark chitin with a curiously sculptured surface ( m.pl. ) . At the apex of the lobe the two lateral plates are joined ...
... lateral plates ( c.pl. ) which have their free margins curved upwards and inwards , and a central , oblong plate of dark chitin with a curiously sculptured surface ( m.pl. ) . At the apex of the lobe the two lateral plates are joined ...
Страница 92
... Lateral view of same mermithergate . FIG . 41.- Xenodusa cava Leconte , taken from a colony of Formica schaufussi var . incerta Emery at Colebrook , Connecticut . FIG . 42. - Formica schaufussi Mayr . var . incerta Emery . Normal worker ...
... Lateral view of same mermithergate . FIG . 41.- Xenodusa cava Leconte , taken from a colony of Formica schaufussi var . incerta Emery at Colebrook , Connecticut . FIG . 42. - Formica schaufussi Mayr . var . incerta Emery . Normal worker ...
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