The Shipley Collection of Scientific Papers, Том 1641833 |
Из књиге
Резултати 1-3 од 59
Страница 107
... 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 together ...
... 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 together ...
Страница 3
... Plate I , Fig . 1 , and Plate V , Fig . 63 0 . Its gaster is black and shining , the mandibles and clypeus are dark brown , the remainder of the head , thorax and appendages reddish brown . ure . The head is subopaque and elaborately ...
... Plate I , Fig . 1 , and Plate V , Fig . 63 0 . Its gaster is black and shining , the mandibles and clypeus are dark brown , the remainder of the head , thorax and appendages reddish brown . ure . The head is subopaque and elaborately ...
Страница 8
... Plate II , Fig . 13. Twice I have seen a pair of these larvæ attached symmetrically on the sides of the same pupa . In other cases they were found on the nuchal or sternal surfaces . So different are these minute , sharply segmented and ...
... Plate II , Fig . 13. Twice I have seen a pair of these larvæ attached symmetrically on the sides of the same pupa . In other cases they were found on the nuchal or sternal surfaces . So different are these minute , sharply segmented and ...
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