Journal of Economic Entomology, Volume 9Entomological Society of America, 1916 |
From inside the book
Results 1-5 of 64
Page 27
... color . They are elliptical in shape and about .25 mm . long . The eggs are covered with a viscid substance which enables them to adhere in packets for purposes of transportation by workers or to the surfaces where deposited . Eggs are ...
... color . They are elliptical in shape and about .25 mm . long . The eggs are covered with a viscid substance which enables them to adhere in packets for purposes of transportation by workers or to the surfaces where deposited . Eggs are ...
Page 28
... color and covered with double - hooked hairs which enable them to cohere in packets to be carried by workers . The posterior end is large and tapers toward the anterior end , which is considerably curved . This curvature becomes less ...
... color and covered with double - hooked hairs which enable them to cohere in packets to be carried by workers . The posterior end is large and tapers toward the anterior end , which is considerably curved . This curvature becomes less ...
Page 29
... color of the adult form . The queen and worker pupa become a pale yellow , almost as dark as the adult . The male changes to a dark brown be- fore transformation . The length of the worker pupal stage was found to be from 13 to 27 days ...
... color of the adult form . The queen and worker pupa become a pale yellow , almost as dark as the adult . The male changes to a dark brown be- fore transformation . The length of the worker pupal stage was found to be from 13 to 27 days ...
Page 30
yellow , while the body color is a shining brown . The wings are hyaline . The antennæ have no club , as in the case of workers and queens , and the scape is also much shorter . The first funicular joint is enlarged to form the ...
yellow , while the body color is a shining brown . The wings are hyaline . The antennæ have no club , as in the case of workers and queens , and the scape is also much shorter . The first funicular joint is enlarged to form the ...
Page 41
... color at first is nearly white , changing rapidly to a smoky black , the ventral surface remaining lighter . From these scattered adults throughout the summer we must assume a very irregular breeding period . In some of our experiments ...
... color at first is nearly white , changing rapidly to a smoky black , the ventral surface remaining lighter . From these scattered adults throughout the summer we must assume a very irregular breeding period . In some of our experiments ...
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Common terms and phrases
abundant acid adults Agricultural College Agricultural Experiment Station American foulbrood aphids apiary appearance apple areas arsenate of lead August Bargagli beekeeping bees beetles Berkefeld breeding brood Bureau of Entomology cages caterpillars cent colonies color coöperation corn County crop died disease ECONOMIC ENTOMOLOGY eggs European foulbrood farmers Federal Horticultural Board feeding female field fumigation grape grubs HERRICK Hessian fly honey Horticultural house-fly important infested injury insects inspector investigations July June kafir Kansas laboratory Lachnosterna large number larva larvæ life-history manure Melrose Highlands Miles City nitrobenzene number of flies nursery stock observed Ohio orchard oviposition paper parasites pest placed plants Polydrusus present PRESIDENT GLENN pupa pupal pupate quarantine reared records release points Sales Yards season seed segment soap soil species specimens spraying spring stage summer temperature tion trees U. S. Bureau Washington weevil wilt winter writer
Popular passages
Page 204 - When construing and enforcing the provisions of this Act, the act, omission, or failure of any officer, agent, or other person acting for or employed by any...
Page 208 - The petitioner shall be deemed to have finally waived all objection to any irregularities and illegalities in the order upon which a hearing is sought other than those set forth in the petition. All hearings...
Page 204 - Nursery stock, including all field-grown florists' stock, trees, shrubs, vines, cuttings, grafts, scions, buds, fruit pits and other seeds of fruit and ornamental trees or shrubs, and other plants and plant products for propagation, except field, vegetable, and flower seeds, bedding plants and other herbaceous plants, bulbs, and roots...
Page 206 - Inspector or his deputy shall find on examination any nursery, orchard, small fruit plantation, park, cemetery or any private or public premises infested with injurious insects or plant diseases, he shall notify the owner or person having charge of such premises to that effect, and the owner or person having charge of the premises shall within ten days after such notice cause the removal and destruction of such trees, plants, shrubs or other plant material if incapable of successful treatment; otherwise...
Page 204 - agent" shall be construed as applying to any person selling nursery stock under the partial or full control of a nurseryman, or of a dealer or other agent. This term shall also apply to any person engaged with a nurseryman, dealer or agent in handling nursery stock on a cooperative basis.
Page 204 - nursery" shall be construed to mean any grounds or premises on or in which nursery stock is propagated and grown for sale, or any grounds or premises on or in which nursery stock is being fumigated, treated, packed or stored. (e) The term "nurseryman" shall mean the person who owns, leases, manages or is in charge of a nursery.
Page 207 - It shall be unlawful for any person to sell, to offer for sale or to remove or ship from a nursery or other premises, any nursery stock unless such stock has been officially inspected and a certificate or permit has been granted by the inspector, as hereinbefore provided.
Page 438 - Plant Quarantine Act" (37 Stat. 317; 7 USC 160), the importation into the United States, in the raw or unmanufactured state, from southeastern Asia (including India, Siam, Indo-China and China), Malayan Archipelago, Australia, New Zealand, Oceania, Philippine Islands, Formosa...
Page 204 - dealer" shall be construed to apply to any person not a grower of nursery stock who buys nursery stock for the purpose of reselling and reshipping, independently of any control of a nursery.
Page 206 - ... provided. It shall be unlawful for any person after receiving such notice to ship or deliver or cause to be shipped or delivered any nursery stock from such aforesaid premises.