Entomology Commons^™

Descriptions Of New North American Hymenoptera In The Collection Of The American Entomological Society, Ezra Townsend Cresson Feb 1878

Ueber Halictus Quadricinctus Fabr. Und Sphecodes Gibbus L., Wilhelm Breitenbach Dec 1877

Die Apiden Tirols (Fortsetzung Und Schluss), Karl Von Dalla Torre Jan 1877

Liste Des Éclosions D'Insectes, Joseph-Étienne Giraud, Alexandre Laboulbène Dec 1876

Report Upon The Collections Of Hymenoptera Made In Portions Of Nevada, Utah, Colorado, New Mexico, And Arizona, During The Years 1872, 1873, And 1874, Ezra Townsend Cresson Jan 1874

Descriptions Of New Hymenoptera, Ezra Townsend Cresson Dec 1873

Notes On Megachile Centuncularis, Thos. G. Gentry Dec 1873

Hyménoptères Du Bassin Méditerranéen Andrena (Suite), M. Le De Dours Dec 1872

Hyménoptères Divers Du Bassin Du Léman, Frédéric Chevrier Jun 1872

Hymenoptera Texana, Ezra Townsend Cresson Jan 1872

Description Et Figure Des Nids De L'Anthrophora Parietina Linné, E. Cartereau Jan 1872

Miscellanées Hyménoptèrologiques. Iii. Description D'Hyménoptéres Nouveaux Avec L'Indication Des Mœurs De La Plupart D'Entre Eux Et Remarques Sur Quelques Espèces Déjà Connues, Joseph-Étienne Giraud Jan 1871

Miscellanées Hyménoptèrologiques. I. Note Snr Les Mœurs Du Ceramius Lusitanicus Klug (Division Paracermius Saussure), Joseph-Étienne Giraud Dec 1870

Beitrag Zur Insektenfauna Von Zanzibar Iv. Hymenoptera, A. Gerstaecker Dec 1870

Séance Du 27 Avril 1870, Joseph-Étienne Giraud Jun 1870

Zwei Neue Von Hrn. Prof. Zeller In Ober-Kärnthen Gesammelte Chrysis-Arten., A. Gerstaecker May 1869

A List Of The North American Species Of The Genus Anthophora, With Descriptions Of New Species, Ezra Townsend Cresson Feb 1869

Notes On Cuban Hymenoptera, With Descriptions Of New Species, Ezra Townsend Cresson Dec 1868

On The Œconomy Of The Chrysides Parasitic On Odynerus Spinipes, T. Algernon Chapman Dec 1868

Descriptions Of North American Bees No. 1, Ezra Townsend Cresson Dec 1868

Catalogue Of A Small Collection Of Hymenoptera Made In New Mexico During The Summer Of 1867, Ezra Townsend Cresson Jan 1868

Prospetto Sistematico Deli Imenotteri Italiani, Achille Costa Jan 1867

Hyménoptères Nidifiants, Joseph-Étienne Giraud Dec 1865

Catalogue Of Hymenoptera In The Collection Of The Entomological Society Of Philadelphia, From Colorado Territory, Ezra Townsend Cresson Jan 1865

On The Hymenoptera Of Cuba, Ezra Townsend Cresson Dec 1864

Descriptions Of North American Hymenoptera, In The Collection Of The Entomological Society Of Philadelphia, Ezra Townsend Cresson Jun 1864

Descriptions Of Several New Species Of North American Apidae, Ezra Townsend Cresson Apr 1864

On The North American Species Of Several Genera Of Apidae, Ezra Townsend Cresson Dec 1863

On The North American Species Of The Genus Osmia, Ezra Townsend Cresson Dec 1863

Proceedings Of The Entomological Society Of Philadelphia, Ezra Townsend Cresson Nov 1863