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Articles 11041 - 11070 of 11469
Full-Text Articles in Life Sciences
Bulletin No. 95 - Codling Moth Work In 1904: The Relative Value Of Early And Late Sprays, E. D. Ball, E. G. Peterson
Bulletin No. 95 - Codling Moth Work In 1904: The Relative Value Of Early And Late Sprays, E. D. Ball, E. G. Peterson
UAES Bulletins
The codling moth continues to be the most s serious pest of the Utah horticulturist and was therefore made the main subject of investigation by the Entomological Department for the season of 1904.
In spite of the immense amount of work that ha been done on this subject by various entomologists in this and other countries, several vital points still remain unknown and many more that have been worked out for other localities must be verified and adapted to our conditions.
Los "Ápidos" De España Ii. Género Cælioxys, José María Dumset Y Alonso
Los "Ápidos" De España Ii. Género Cælioxys, José María Dumset Y Alonso
Du
No abstract provided.
North American Bees Of The Genera Andrena And Melitta In The British Museum.— I, T. D. A. Cockerell
North American Bees Of The Genera Andrena And Melitta In The British Museum.— I, T. D. A. Cockerell
Ca
No abstract provided.
Some New Species Of Halictus, J. C. Crawford
Some New Species Of Halictus, J. C. Crawford
Co
In the following descriptions the term sericeous or sericeously roughened is applied to the silky lustre induced by the minute striation or roughening of the surface.
Halictus Truncatus Alfk.H. Granulosus Nom. Nov., J. D. Alfken
Halictus Truncatus Alfk.H. Granulosus Nom. Nov., J. D. Alfken
A
Im vorigen Jahrgange dieser Zeitschrift., p. 4. veroffentlichte ich eine neue HaIictus - Art unter dem Namen H. truncatus. Da dieser Name schon 1901 von Ch. Robertson fur H. similis Smith, eine nordamerikanische Spezies, eingefuhrt wurde (Canad. Entom. Bd. 33, p. 230), so muss die von mir beschriebene Art neu benannt werden. Wegen des gekornelten Raumes neben dem Mittelfelde des Mittelsegmentes nenne ich sie H. granulosus.
Descriptions And Records Of Bees.— Viii., T. D. A. Cockerell
Descriptions And Records Of Bees.— Vii., T. D. A. Cockerell
New American Bees.— Ii., T. D. A. Cockerell
The North American Bees Of The Family Anthophoridæ, T. D. A. Cockerell
The North American Bees Of The Family Anthophoridæ, T. D. A. Cockerell
Ca
No abstract provided.
The Bees Of Florissant, Colorado, T. D. A. Cockerell
Descriptions And Records Of Bees.— Ix., T. D. A. Cockerell
The Bees Of New Mexico, T. D. A. Cockerell
Notes On The Bees Of Southern Maine: Anthophoridae, Halictoididae, Macropidae And Panurgidae, J. H. Lovell, T. D. A. Cockerell
Notes On The Bees Of Southern Maine: Anthophoridae, Halictoididae, Macropidae And Panurgidae, J. H. Lovell, T. D. A. Cockerell
Ca
No abstract provided.
Nuevos Euménidos Argentinos, Juan Bréthes
Spermatogenesis Of The Butterfly, Papilio Rutulus, John P. Munson
Spermatogenesis Of The Butterfly, Papilio Rutulus, John P. Munson
All Faculty Scholarship for the College of the Sciences
For a number of years I have been studying the spermatogenesis of Papilio rutulus (pl. 12, fig. 1) not ,with any one single problem especially in view, but with the aim of ascertaining the entire life history of its sperm cell, its various phases of development, its mode of growth and differentiation, the history of its several parts, and its relation to the organism.
Report On The Orthoptera Of Trinidad, West Indies, Lawrence Bruner
Report On The Orthoptera Of Trinidad, West Indies, Lawrence Bruner
Department of Entomology: Faculty Publications
Several years ago Mr. H. D. Chipman collected insects on the Island of Trinidad, British West Indies, and the writer secured a fairly complete set of the Orthoptera taken by him. Since that time a few additional forms have been obtained from G. E. Tryhane, of St. Anne's, Trinidad, and others from W. E. Broadway, of St. George's Grenada, who formerly collected on Trinidad. Altogether upwards of one hundred (112) species have thus been accumulated and form the basis of this paper.
Unlike others of the West Indies, this island is more closely related to the South American mainland in …
Synoptic List Of Paraguayan Acrididæ, Or Locusts, With Descriptions Of New Forms, Lawrence Bruner
Synoptic List Of Paraguayan Acrididæ, Or Locusts, With Descriptions Of New Forms, Lawrence Bruner
Department of Entomology: Faculty Publications
The present paper is based primarily on the extensive collection obtained from Mr. W. T. Foster, of Sapucay, Paraguay, and now belonging to the United States National Museum. In addition, the writer hns personally collected in that country, besides having purchased several small collections from that section of South America. To inake the paper as complete as possible, Giglio-Tos's papers have been consulted, and all the forms not represented in the collections studied have been included.
Among the specimens illustrated are:
Cephalocoema costulata Burmeister
Stirapleura variabilis Bruner
Sinipta dalmani Stal
Euplectrotettix conspersus Bruner
Dichroatettix viridifrons Bruner
Parorphula graminea Bruner
Plectrotettix …
A New Bee Of The Genus Perdita From Texas, T. D. A. Cockerell
A New Bee Of The Genus Perdita From Texas, T. D. A. Cockerell
Ca
No abstract provided.
Descriptions And Records Of Bees.— V., T. D. A. Cockerell
Contributions To The Nautral History Of The Rocky Mountains. I, T. D. A. Cockerell
Contributions To The Nautral History Of The Rocky Mountains. I, T. D. A. Cockerell
Ca
No abstract provided.
New Bees Of The Genera Osmia And Andrena, T. D. A. Cockerell
Descriptions And Records Of Bees.— Vi., T. D. A. Cockerell
Zur Kenntnis Der Bienengattung Fidelia Friese, H. Brauns
Some New Eucerine Bees From The West, T. D. A. Cockerell
Descriptions And Records Of Bees.— Iv., T. D. A. Cockerell
New Bees From Colorado, T. D. A. Cockerell
Diadasia Patton; A Genus Of Bees, T. D. A. Cockerell
Tables For The Separation Of Some Bees Of The Genera Coelioxys And Colletes, T. D. A. Cockerell
Tables For The Separation Of Some Bees Of The Genera Coelioxys And Colletes, T. D. A. Cockerell
Ca
No abstract provided.
On The Hymenoptera Of The Albany Museum, Grahamstown, South Africa (Third Paper), Peter Cameron
On The Hymenoptera Of The Albany Museum, Grahamstown, South Africa (Third Paper), Peter Cameron
Bu
No abstract provided.
Descriptions And Records Of Bees.— Ii., T. D. A. Cockerell