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Articles 1201 - 1230 of 1317
Full-Text Articles in Entomology
Descriptions Of New Hymenoptera, T. D. A. Cockerell
New Bees Of The Genus Halictus From New Mexico, U.S.A., T. D. A. Cockerell
New Bees Of The Genus Halictus From New Mexico, U.S.A., T. D. A. Cockerell
Ca
No abstract provided.
Ii. New Norrth American Bees, T. D. A. Cockerell
Additions To The List Of U.S. Hymenoptera, T. D. A. Cockerell
Additions To The List Of U.S. Hymenoptera, T. D. A. Cockerell
Ca
No abstract provided.
On Some Insects Collected In The State Of Chihuahua, Mexico, T. D. A. Cockerell
On Some Insects Collected In The State Of Chihuahua, Mexico, T. D. A. Cockerell
Ca
No abstract provided.
On A Collection Of Hymenoptera Insects From The Phillipines, C. T. Bingham
On A Collection Of Hymenoptera Insects From The Phillipines, C. T. Bingham
Ba
No abstract provided.
Synonymischer Katalog Der Europäischen Sammeibienen, K. W. Von Dalla Torre, H. Friese
Synonymischer Katalog Der Europäischen Sammeibienen, K. W. Von Dalla Torre, H. Friese
Co
No abstract provided.
Some New Bees Of The Genus Perdita, T. D. A. Cockerell
Die Bei Nassau Beobachteten Bienen. Nachtrag Zu Den Beobachtungen Von Herrn Professor Dr. Schenk. Ein Beitrag Zur Bienenfauna Der Unteren Lahn., Carl Dietrich Buddeberg
Die Bei Nassau Beobachteten Bienen. Nachtrag Zu Den Beobachtungen Von Herrn Professor Dr. Schenk. Ein Beitrag Zur Bienenfauna Der Unteren Lahn., Carl Dietrich Buddeberg
Bo
No abstract provided.
Descriptions Of New Hymenoptera, T. D. A. Cockerell
Descriptions Of New Hymenoptera, T. D. A. Cockerell
Letter To Mr. Wickham, T. D. A. Cockerell
Collecting Ways And Collecting Days, C. T. Bingham
The Habits Of The Aculeate Hymenoptera - I., William H. Ashmead
The Habits Of The Aculeate Hymenoptera - I., William H. Ashmead
All Research
No abstract provided.
The Habits Of The Aculeate Hymenoptera. I, William H. Ashmead
The Habits Of The Aculeate Hymenoptera. I, William H. Ashmead
An
The subject of my address is one that has been rarely touched by American entomologists, although offering one of the most attractive and richest fields for research and discovery, as connected with it are many problems of biologic and philosophical importance, which if solved, would throw much light upon many of the moted questions of the day -evolution of species, development of sexes, specialization of organs, transmission of acquired characters, adaptability to environment, etc.
The Habits Of The Aculeate Hymenoptera. Ii, William H. Ashmead
The Habits Of The Aculeate Hymenoptera. Ii, William H. Ashmead
An
While inspecting during the past summer, the fruit orchard of a friend residing in this neighborhood, my attention was attracted by the peculiar appearance of the leaves of a young plum tree. At the first glance, I thought it might be affected by Aphides, but, on closer examination, I found unmistakable evidence of the work of a leaf-cutting bee, in the circular holes in many of the leaves, and on opening one of the coils of leaves, of which there were four or five, I discovered the curious chambers of the bee, each containing a half grown grub comfortably ensconced, …
The Habits Of The Aculeate Hymenoptera. Iv, William H. Ashmead
The Habits Of The Aculeate Hymenoptera. Iv, William H. Ashmead
An
The species in the genus Pompilus Fabr., judging from the records, seem to have a diversity of habits. According to Westwood, Pompilus niger Fahr. in England provisions its cells with small Lepidopterous larvae; Pompilus fumipennis Zett. with ants, while Pompilus petiolatus preys upon spiders. Now no doubt this diversity of habits will be found correlated by structural differences, which should be used in separating this extensive genus into subgenera. In our fauna, most of our species in this genus, or at least those whose habits are known, feed upon spiders.
The Habits Of The Aculeate Hymenoptera. Iii, William H. Ashmead
The Habits Of The Aculeate Hymenoptera. Iii, William H. Ashmead
An
Family V. MELLINIDAE. This family (if we can call it a family) is represented in our fauna by one genus with three species, and as these are exceedingly rare, no observations on any of them have been made. Westwood, however, has observed the European Mellinus arvensis burrowing in sand-banks, and Shuckard states the species preys upon Diptera. Kirby and Spence also say it selects the smaller flies, including the troublesome Stomoxys calcitrans.
Apum Mohileviensium Species Novae, Parum Cognitae, Vel Imperfecte Descriptae, N. Arnold
Apum Mohileviensium Species Novae, Parum Cognitae, Vel Imperfecte Descriptae, N. Arnold
An
Hymen. II, p. 98,= Tetralonia tricincta Lep. Hym. II, pp. 100-101.=Macrocera dentata Klug ap. Eversam. Bull. Soc. Nat. Mose. 1852, II, p. 122.=Tetralonia tricincta Sagemehl. Verzeichnias der Bienen, p. 8.=Tetralonia tricincta Schenck. Nassau. Bienen, XXI u. XXII, p. 280.
Additions To The Hymenoptera Of Jamaica, T. D. A. Cockerell
The Nest And Parasites Of Xylocopa Orpifex, Anstruther Davidson
The Nest And Parasites Of Xylocopa Orpifex, Anstruther Davidson
Da
No abstract provided.
Voyage De M. E. Simon Dans L'Afrique Australe, R. Buysson
Voyage De M. E. Simon Dans L'Afrique Australe, R. Buysson
Bu
Sur quarante-deux espèces que M. E. Simon m'a données provenant de son voyage au Transvaal et dans la colonie du Cap, vingt-deux se trouvent inédites. Je suis heureux de donner a plusieurs de ces dernières le nom de Ieur aimable detecter. En outre, je me trouve obligé de creer deux nouveaux genres pour classer des individus qui ne peuvent rentrer dans les coupes déjà établies. Le genre Sulydus, pour un petit Braconide, voisin mais bien distinct des Hedylus Marsh. Le genre Menius, ponr un insecte des plus curieux, rappelant les Myzine Latr., mais d'un ensemble de formes tout différent. Le …
Notes On The Entomology Of Colorado.—Ii., T. D. A. Cockerell
Proceedings Of The Academy Of Natural Sciences Of Philadelphia, Ezra Townsend Cresson
Proceedings Of The Academy Of Natural Sciences Of Philadelphia, Ezra Townsend Cresson
Co
No abstract provided.
Biologische Beobachtungen An Hymenopteren, D. Alfken
Contribution Aux Chrysidides Du Globe., R. Buysson
Notes Entomologiques. Odynerus Spinipes L., L. Carpentier
On The Oviposition Of Metœcus (Rhipiphorus) Paradoxus, T. Algernon Chapman
On The Oviposition Of Metœcus (Rhipiphorus) Paradoxus, T. Algernon Chapman
Ca
No abstract provided.
Mœurs Et Métamorphoses De Emenadia Flabellata F. Insecte Coléoptère De La Famille Des Rhipiphorides (1)., A. Chobaut
Mœurs Et Métamorphoses De Emenadia Flabellata F. Insecte Coléoptère De La Famille Des Rhipiphorides (1)., A. Chobaut
Ca
No abstract provided.
Mettheilungen Uber Das Leben Einger Apiden: Bombus, Andrena, Nomeda Und Osmia, D. Alfken
Mettheilungen Uber Das Leben Einger Apiden: Bombus, Andrena, Nomeda Und Osmia, D. Alfken
A
Ueber einen Nestfund von Bombus distinguendus Mer. Am 7. Juli 1877 wurde mir von einem Schuler ein kleiner Theil eines Nestes von B. distinguendus ausgegraben. Das Nest befand sich in der Erde und wa ½ m tief angelegt. Zu demselben fuhrte eine ziemlich weite, zuerst gerade, spatter schrag laufende Einflugsrohre. Wei bei allen unterirdischen Nestern waren die Zellencylinder erst von einer Wachsdecke und dann van Moos uberdeckt. Die Zellencylinder haben eine sehr helle, fast strohgelbe Farbe, und die meisten sind sehr lang. Von den Arbeiten dieser Hummel schreibt HOFFER in “Die Hummeln Steiermarks”