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Articles 481 - 510 of 1317
Full-Text Articles in Entomology
Los Ápidos De España Vi. Géneros Xylocopa Latr. Y Ceratina Latr., José María Dumset Y Alonso
Los Ápidos De España Vi. Géneros Xylocopa Latr. Y Ceratina Latr., José María Dumset Y Alonso
Du
No abstract provided.
Zur Biologie Der Bienengattung Sphecodes Latr. (Hym.), Paul Blüthgen
Zur Biologie Der Bienengattung Sphecodes Latr. (Hym.), Paul Blüthgen
Be
No abstract provided.
Onze Metselbijen (Osmia), B. E. Bouwman
Experimental Pollination; An Outline Of The Ecology Of Flowers And Insects 5. Pollinators And Flowers Visited & 6. Flowers And Their Visitors, Frederic E. Clements, Frances L. Long
Experimental Pollination; An Outline Of The Ecology Of Flowers And Insects 5. Pollinators And Flowers Visited & 6. Flowers And Their Visitors, Frederic E. Clements, Frances L. Long
Ca
No abstract provided.
The Taxonomy Of The Masarid Wasps, Including A Monograph On The North American Species, James Chester Bradley
The Taxonomy Of The Masarid Wasps, Including A Monograph On The North American Species, James Chester Bradley
Bo
No abstract provided.
Iii. The Predaceous Enemies Of Ants, Joseph Bequaert
Iii. The Predaceous Enemies Of Ants, Joseph Bequaert
Ba
The various means by which Nature prevents an excessive increase of the species not only forms in itself an interesting chapter of ecology, but its study is also of great importance in an understanding of the true meaning of Natural Selection. In the case of ants it has been contended that they are better defended than other insects against the attacks of predatory animals. Poulton evidently takes this for granted when he considers that ants, together with wasps, are among the favorite models for "mimicking" insects and other arthropods. These ant-like arthropods, having acquired by Natural Selection their resemblance "to …
Identity Of The Hawaiian Carpenter Bee Of The Genus Xylocopa (Hymenoptera), Philip H. Timberlake
Identity Of The Hawaiian Carpenter Bee Of The Genus Xylocopa (Hymenoptera), Philip H. Timberlake
Th
The Hawaiian carpenter bee has been established in the Islands for many years, and was first collected by Blackburn.
Observations On Xylocopa And Lithurgus (Hymenoptera), W. M. Giffard
Observations On Xylocopa And Lithurgus (Hymenoptera), W. M. Giffard
Ga
No abstract provided.
Ecological And Behavior Notes On Missouri Insects, Phil Rau
Ecological And Behavior Notes On Missouri Insects, Phil Rau
All Research
No abstract provided.
Some Hymenopterous Parasites Of Lignicolous Itonididae, Charles Thomas Brues
Some Hymenopterous Parasites Of Lignicolous Itonididae, Charles Thomas Brues
Bo
No abstract provided.
Sunflower Studies, P. V. Cardon
Wissenschaftliche Ergebnisse Der Mit Unterstutzung Der Akademie Der Wissenschaften In Wien Aus Der Erbschaft Treitl Von F. Werner Unternommenen Zoologischen Expedition Nach Dem Anglo-Agyptischen Sudan (Kordofan) 1914 Xvi. Hymenoptera F. Apidae, J. D. Alfken
A
Von Herrn Prof. R Ebner in Wien erhielt ich eine Sammlung von Bienen zur Bearbeitung, die der genannte Forscher als Entomologe der zoologischen Expedition Prof. Dr. F. Werners von Februar bis April 1914 in Agypten und im agyptischen Sudan groBltenteils selbst sammelte. Da die Sammlung eine Reihe neuer und wenig bekannter Arten und sogar eine neue Gattung enthalt, und da ein Teil der Arten von Orten stammt, wo das palaearktische und athiopische Faunengebiet zusammenstoBen, durfte eine Veroffentlichung der Sammelergebnisse angebracht sein. In der Anordnung der Gattungen und Familien folge ich dem von meinem Freunde C. Borner in seiner Arbeit »Stammesgeschichte …
Hymenopterologische Ergebnisse Einer Wissenschaftlichen Studienreise Nach Der Türkei Und Kleinasien (Mit Ausschluß Des Amanusgebirges)., Josef Fahringer
Hymenopterologische Ergebnisse Einer Wissenschaftlichen Studienreise Nach Der Türkei Und Kleinasien (Mit Ausschluß Des Amanusgebirges)., Josef Fahringer
Er
No abstract provided.
Morphologische Und Biologische Untersuchungen Der Putzapparate Der Hymenopteren Summary, Johannes Gennerich
Morphologische Und Biologische Untersuchungen Der Putzapparate Der Hymenopteren Summary, Johannes Gennerich
Ga
No abstract provided.
Life-History Of Melittobia Acasta, L. Balfour Browne
On Eumenes Alluaudi Perez, A Precinctive Wasp Of The Seychelles (Hymenoptera), Joseph Bequaert
On Eumenes Alluaudi Perez, A Precinctive Wasp Of The Seychelles (Hymenoptera), Joseph Bequaert
Ba
In my Catalogue of Ethiopian Diplopterous Wasps, published in 1918, I have attempted to correlate the various described forms of African Eumenes. In many cases, where specimens were not available for study, my conclusions were based on such inferences as could be made from published accounts, and were therefore only tentative. Eumenes alluaudi J. Perez,2 for instance, I regarded at the time as one of the color variants of Eumenes lepeleterii Saussure, to which it was said to be related by the author of the species. Through the courtesy of Mr. A. S. Rohwer, I recently had opportunity to examine …
Notes On The Hawaiian Bees Of The Genus Megachile (Hymenoptera), Philip H. Timberlake
Notes On The Hawaiian Bees Of The Genus Megachile (Hymenoptera), Philip H. Timberlake
Th
The discovery of a fifth species of Megachile on Oahu brings up the question of the endemicity of these bees.
Wie Ist Tiphia Rufiventris Pz. Zu Deuten?, J. D. Alfken
Wie Ist Tiphia Rufiventris Pz. Zu Deuten?, J. D. Alfken
A
In seiner verdienstvollen, jedem Apidologen zu empfehlenden Arbeit “Apidae-Sphecodinae” im Arch. F. Naturgesch., 85. Jahrgang, 1919, bezieht R. Meyer die Tiphia rufiventris Pz. Auf Sphecodes rubicundus Hags. Dies ist meiner Meinung nach nicht richtig. Der breite Kopf mit den erweiterten Schlafen in der von dem bekannten Zeichner und Entomologen Jakob Sturm ausgefuhrten guten Abbildung weisen gewiB nicht auf Sphecodes rubicundus hin.
Eine Hymenopteren-Ausbeute Aus Dem Amanusgebirge. (Kleinasien Und Nord-Syrien, Südl. Armenien.), Josef Fahringer, Heinrich Friese
Eine Hymenopteren-Ausbeute Aus Dem Amanusgebirge. (Kleinasien Und Nord-Syrien, Südl. Armenien.), Josef Fahringer, Heinrich Friese
Er
No abstract provided.
Note On The Habits Of The Bee, Anthidium Manicatum, E. E. Green
Note On The Habits Of The Bee, Anthidium Manicatum, E. E. Green
Gr
No abstract provided.
Description D'Une Espece Congolaise Du Genre "Montezumia" (Hymenopteres, Vespides) Suivie De Remarques Taxonomiques Sur Ce Groupe, Joseph Bequaert
Description D'Une Espece Congolaise Du Genre "Montezumia" (Hymenopteres, Vespides) Suivie De Remarques Taxonomiques Sur Ce Groupe, Joseph Bequaert
Ba
Parmi les Vespides assez nombreux que mon frère, le Dr MICHEL BEQUAERT, a bien voulu recueillir à mon intention au Katanga, se trouve un spécimen d'une espèce apparemment inédite du genre Montezumi·a. Je crois devoir la signaler sans retard, car elle constitue une addition des plus intéressante à la faune du Congo belge.
Real Sociedad Espanola De Historia Natural, Enrique Asensio
Real Sociedad Espanola De Historia Natural, Enrique Asensio
An
Labro alargado, obtuso. Mandíbulas dentadas. Celdilla radial grande, estrechada al extremo. Dos cubitales casi iguales. Segundo nervio transverso-discoidal más hacia el ápice del ala que el segun-do t ransverso-cubital. Escudet e y postescudete sin dientes. Uñas con pulvillum. Abdonien corto, grueso, sin escobill a ventral en las, inerme en los (sólo en St. signata con una espina.)
Descriptions Records And Notes On North American Nyssonidae (Hymenoptera), James Chester Bradley
Descriptions Records And Notes On North American Nyssonidae (Hymenoptera), James Chester Bradley
Bo
No abstract provided.
Observaciones Sobre La Procedencia Espanola De Muchos Apidos Descritos Por Perez En "Espéces Nouvelles De Melliferes De Barbarie", José María Dumset Y Alonso
Observaciones Sobre La Procedencia Espanola De Muchos Apidos Descritos Por Perez En "Espéces Nouvelles De Melliferes De Barbarie", José María Dumset Y Alonso
Du
No abstract provided.
Scientific Results Of The Katmai Expedition Of The National Geographic Society Xiii. Bees And Wasps, Joseph Bequaert
Scientific Results Of The Katmai Expedition Of The National Geographic Society Xiii. Bees And Wasps, Joseph Bequaert
Ba
Through the kindness of Prof. J as. S. Hine, I have been given the opportunity to examine the Aculeate Hymenoptera obtained by him during his two trips to Alaska in the summers of 1917 and 1919. The following list of the species collected includes also a few specimens taken at Seattle, Wash. Mr. Viereck has kindly confirmed the identification of Andrena jrigida.
Zu Psithyrus Vestalis Geoffr. Und Bohemicus Seidl (Distinctus Pérez) (Hym.)., Paul Blüthgen
Zu Psithyrus Vestalis Geoffr. Und Bohemicus Seidl (Distinctus Pérez) (Hym.)., Paul Blüthgen
Be
No abstract provided.
Hymenoptera Collected Near Boston, Mass., With Descriptions Of A Variety Of Bombus Affinis, Joseph Bequaert
Hymenoptera Collected Near Boston, Mass., With Descriptions Of A Variety Of Bombus Affinis, Joseph Bequaert
Ba
While collecting Hymenoptera at Forest Hills, Mass., and other localities in the vicinity of Boston, I have taken on two occasions a bumble-bee, which from its aberrant coloration could not be properly named with Franklin's "Bombidae of the New World." I have been permitted to examine similarly colored Bombus, taken some years previous by Professor Wheeler at Forest Hills and by Mr. J. E. Smith at Sherborn, Mass. It was finally recognized that all these specimens belong to a striking color-variant of Bombus affinis, which it is the purpose of this note to describe and name. I have used this …
Eine Neue Deutsche Halictus-Art, J. D. Alfken
Andrena Enslini, Eine Neue Deutsche Andrena-Art, J. D. Alfken
Andrena Enslini, Eine Neue Deutsche Andrena-Art, J. D. Alfken
A
Gesicht Schwarz, in der Mitte, besonders zwischen den fuhlern gelblich beheart. Schlafen ziemlich breit, gelblich, am unteren Augenrande Schwarz beheart, Scheitel ebenfalls gelblich, vorn Schwarz beheart. Clypeus ziemlich weitlaufig and grob punktiert, die Punkte vorn zu Runzeln zusammenflieBend.
Notes Supplementaires Sur Les Bourdons De La Belgique, F. J. Ball
Notes Supplementaires Sur Les Bourdons De La Belgique, F. J. Ball
An
En 19l4, j'ai publié dans les Annales de notre Sociélé,Tome LVIII, une liste provisoire des Bourdons de la Belgique, !Jasée sur les col-lections qui se lrouvaieut à celle époque au Musée Hoyal d'Histoire Naturelle. A la sui le des chasses mélhodiques entreprises sous la direction du Jusée dans certaines localités représenlalives des diverses parties du pays, le matériel à notre disposition s'est con-sidérablemen l accru, el quoique l'élude de ce matériel soit loin d'être achevée,je crois le moment venu de soumeltre quelques notes au sujet des nouvelles variétés trouvées et des modifications qu'il y a lieu d'apporter dans la classification …