Entomology Commons^™

The Bees Of Southern California, T. D. A. Cockerell Jan 1904

Notes On The Entomology Of Pecos, New Mexico, T. D. A. Cockerell Dec 1903

Hymenoptera Of Beulah, New Mexico, Henry L. Viereck, T. D. A. Cockerell Dec 1903

Some North American Bees: Osmia And Triepeolus, T. D. A. Cockerell Dec 1903

New Bees From Southern California And Other Records, T. D. A. Cockerell Oct 1903

North-American Bees, And A New Homopteron, T. D. A. Cockerell Oct 1903

A New Bee Of The Genus Andrena, T. D. A. Cockerell Sep 1903

New American Hymenoptera, Mostly Of The Genus Nomada, T. D. A. Cockerell Aug 1903

Notes On Five Species Of Megachile, T. D. A. Cockerell Aug 1903

North American Bees Of The Genus Nomada, T. D. A. Cockerell Aug 1903

A New Oak-Gall, T. D. A. Cockerell Aug 1903

Bees Of The Genus Nomada From California, T. D. A. Cockerell Aug 1903

Additions To The Fauna Of Mexico (Bees And Coccidæ), T. D. A. Cockerell Jul 1903

Notes On The Bee: Genus Apis, T. D. A. Cockerell Jul 1903

Notes On Some Genera Of Bees, T. D. A. Cockerell May 1903

A Catalogue Of The Bees Of California, T. D. A. Cockerell Apr 1903

A New Bee Of The Genus Andronicus, T. D. A. Cockerell Mar 1903

The Bees Of The Genus Nomada Found In Colorado, With A Table To Separate All The Species Of The Rocky Mountains, T. D. A. Cockerell Jan 1903

Notes On The Bee-Genus Halictus, T. D. A. Cockerell Jan 1903

Colletes Crucis, T. D. A. Cockerell Nov 1902

A New Bee Of The Genus Bombomelecta, T. D. A. Cockerell Oct 1902

The Genus Lithurgopsis, T. D. A. Cockerell Jun 1902

New Bees Of The Genus Andrena, From Wisconsin, T. D. A. Cockerell Feb 1902

Flowers And Insects In New Mexico, T. D. A. Cockerell Jan 1902

Hymenoptera Of Southern California. Ii, T. D. A. Cockerell Jan 1902

Contributions From The New Mexico Biological Station— Xii. On Some Genera Of Bees, T. D. A. Cockerell, Emerson Atkins Jan 1902

North American Bees Of The Genus Andrena, T. D. A. Cockerell Jan 1902

Hymenoptera Of Southern California. I, T. D. A. Cockerell Jan 1902

Some Insects Of The Hudsonian Zone In New Mexico— Vi— Hymenoptera Apoidea, Ii., T. D. A. Cockerell, Nathan Banks Dec 1901

Some Insects Of The Hudsonian Zone In New Mexico— V., T. D. A. Cockerell Nov 1901