The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 575
... nest in the branches . Feeding and enlargement of the nest take place during the winter months , and on warm days in late March and early April excursions are made in procession from the nest tree over the sand . Burrowing for pupation ...
... nest in the branches . Feeding and enlargement of the nest take place during the winter months , and on warm days in late March and early April excursions are made in procession from the nest tree over the sand . Burrowing for pupation ...
Страница 577
... nest from the first day of procession is necessary to be certain on this point . Fabre does not deal with this question definitely . He observed the larvae emerging from the nest for a march , but does not say whether the in- tegrity ...
... nest from the first day of procession is necessary to be certain on this point . Fabre does not deal with this question definitely . He observed the larvae emerging from the nest for a march , but does not say whether the in- tegrity ...
Страница 24
... nest boxes hung was not great , nevertheless , they were suffi- cient to demonstrate their value . In the first year ( 1908 ) sixty nest boxes were hung and 19 or 31.3 per cent were occupied . In view of this encoura- ging result it ...
... nest boxes hung was not great , nevertheless , they were suffi- cient to demonstrate their value . In the first year ( 1908 ) sixty nest boxes were hung and 19 or 31.3 per cent were occupied . In view of this encoura- ging result it ...
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