McGregor on Birds from Norton SoundPublished in The Auk, in 1903, in volume 20, pages 319Created: 2013-03-08, modified: 2013-03-08
McGregor on New or Noteworthy Philippine BirdsPublished in The Auk, in 1918, in volume 35, pages 370Created: 2013-03-07, modified: 2013-03-08
Lipeurus dovei nom. novPublished in Psyche, in 1918, in volume 25, pages 46Created: 2011-01-31, modified: 2011-06-21
A new mallophaganPublished in Entomological News, in 1912, in volume 23, pages 305-306Created: 2011-01-31, modified: 2021-04-05
New conservation status for Anomalopus pluto (Scincidae)Published in Memoirs of the Queensland Museum, in 1994, in volume 37, pages 120Created: 2020-07-07, modified: 2020-07-07
Eliminating an Avian Pest (House Sparrow 'Passer Domesticus') Population: The Role of Trapping at a Homestead ScalePublished in Victorian Naturalist, in 2008, in volume 125, issue 1, pages 4-10Created: 2017-10-12, modified: 2017-10-12
Junco ridgwayi in ColoradoPublished in The Auk, in 1893, in volume 10, pages 205-206Created: 2013-03-08, modified: 2013-03-08
Young Plumages of Mexican BirdsPublished in The Auk, in 1898, in volume 15, pages 264-265Created: 2013-03-08, modified: 2013-03-08
A NEW FORM OF ASTRAGALUS MOLLISSIMUSPublished in Rhodora, in 1960, in volume 62, issue 736, pages 116Created: 2016-07-19, modified: 2016-07-19
McGregor's 'A Manual of Philippine Birds'Published in The Auk, in 1910, in volume 27, pages 237-238Created: 2013-03-07, modified: 2013-03-08
Note on Speotyto Cunicularia Obscura StephensPublished in The Auk, in 1898, in volume 15, pages 187Created: 2013-03-08, modified: 2013-03-08
Two Varieties of Cystopteris fragilisPublished in American Fern Journal, in 1950, in volume 40, issue 3, pages 201Created: 2017-04-23, modified: 2017-04-23
Three new Mallophaga from North American birdsPublished in Entomological News, in 1917, in volume 28, pages 433-437Created: 2011-01-31, modified: 2021-04-05
I.—Notes on Birds observed at ErzerumPublished in Ibis, in 1917, in volume 5, issue 1, pages 1-30Created: 2024-03-16, modified: 2024-03-16
New and interesting vascular plant records from KansasPublished in Rhodora, in 1960, in volume 62, issue 736, pages 93-95Created: 2014-06-16, modified: 2016-07-26
McGregor's 'Index to the Genera of Birds'Published in The Auk, in 1920, in volume 37, pages 471-472Created: 2013-03-08, modified: 2013-03-08
Panicum capillare L. var. barbipulvinatum (Nash) comb. novPublished in Phytologia, in 1984, in volume 55, issue 4, pages 256Created: 2016-05-06, modified: 2016-05-06
Devonian spores from Melville Island, Canadian Arctic ArchipelagoPublished in Palaeontology, in 1960, in volume 3, issue 1, pages 26-44Created: 2016-04-23, modified: 2016-04-23
Four new tetranychidsPublished in Annals of the Entomological Society of America, in 1914, in volume 7, pages 354-365Created: 2011-06-04, modified: 2016-08-22
Description of a New Ammodramus from Lower CaliforniaPublished in The Auk, in 1898, in volume 15, pages 265-267Created: 2013-03-08, modified: 2013-03-08
Mollusks collected by R. C. McGregor in northern CaliforniaPublished in Nautilis, in 1899, in volume 13, pages 64-67Created: 2013-09-28, modified: 2013-09-28
Camelina rumelica, another weedy mustard established in North AmericaPublished in Phytologia, in 1984, in volume 55, issue 4, pages 227-228Created: 2017-03-08, modified: 2017-03-08
Rediscovery of Paronychia argyrocoma, var. albimontana at Newburyport, MassachusettsPublished in Rhodora, in 1945, in volume 47, issue 555, pages 90-91Created: 2016-07-19, modified: 2016-07-19
Some notes on parasitism of chrysopids in South CarolinaPublished in Canadian Entomologist, in 1914, in volume 46, pages 306-308Created: 2011-05-12, modified: 2017-01-06
Taxonomy and ecology of Kansas HepaticeaPublished in The University of Kansas Science Bulletin, in 1955, in volume 37, issue 1, pages 55-141Created: 2010-01-12, modified: 2023-02-16
Eight new Mallophaga of the genus Lipeurus from North American birdsPublished in Psyche, in 1917, in volume 24, pages 105-117Created: 2011-01-31, modified: 2017-01-06
XV.— Notes on Birds observed at Monastir, Turkey in EuropePublished in Ibis, in 1906, in volume 6, issue 2, pages 285-307Created: 2024-03-29, modified: 2024-03-29
New plant records from KansasPublished in Rhodora, in 1961, in volume 63, issue 749, pages 146-148Created: 2014-06-16, modified: 2016-07-26
A new spider mite from ArgentinaPublished in Proceedings of the Entomological Society of Washington, in 1943, in volume 45, pages 176-178Created: 2011-06-01, modified: 2011-06-21
A new spider mite (Acarina : Tetranychidae)Published in Proceedings of the Entomological Society of Washington, in 1952, in volume 54, pages 142-144Created: 2011-06-01, modified: 2011-06-21
Notes on Hawaiian Reptiles from the Island of MauiPublished in Proc. US. Natl. Mus, in 1904, in volume 28, pages 115-118Created: 2011-06-01, modified: 2017-01-06
McGregor's 'List of the Land Birds of Santa Cruz County, California'Published in The Auk, in 1901, in volume 18, pages 279Created: 2013-03-08, modified: 2013-03-08
The Texas citrus mite, a new speciesPublished in Proceedings of the Entomological Society of Washington, in 1935, in volume 37, pages 161-165Created: 2011-06-01, modified: 2011-06-21
The Taxonomic Status Of The So called "common Red Spider."Published in Proc Ent Soc Washington, in 1942, in volume 44, pages 26-28Created: 2011-06-10, modified: 2011-06-21
New records of Ortolan Bunting Emberiza hortulana in NigeriaPublished in Bulletin of The African Bird Club, in 2004, in volume 11, issue 1, pages 30-31Created: 2021-02-23, modified: 2021-02-23
The ubiquitous mite, a new species on citrusPublished in Proceedings of the Entomological Society of Washington, in 1932, in volume 34, pages 60-64Created: 2011-05-06, modified: 2011-06-21
Descriptions of two new species of spinning mitesPublished in Proceedings of the Entomological Society of Washington, in 1928, in volume 30, pages 11-15Created: 2011-06-01, modified: 2011-06-21
A new spinning mite attacking raspberry in MichiganPublished in Proceedings of the Entomological Society of Washington, in 1931, in volume 33, pages 193-195Created: 2011-06-01, modified: 2011-06-21
A new spider mite from Virginia (Acarina : Tetranychidae)Published in Proceedings of the Entomological Society of Washington, in 1941, in volume 43, pages 223-225Created: 2011-06-01, modified: 2011-06-21
The avocado mite of California, a new speciesPublished in Proceedings of the Entomological Society of Washington, in 1941, in volume 43, pages 85-88Created: 2011-06-01, modified: 2011-06-21
Descriptions of seven new species of red spidersPublished in Proceedings of the United States National Museum, in 1917, in volume 51, pages 581-590Created: 2010-11-20, modified: 2017-01-06
NEW AND INTERESTING PLANTS FROM THE GREAT PLAINSPublished in Rhodora, in 1972, in volume 74, issue 799, pages 378-388Created: 2016-07-19, modified: 2016-07-19
VASCULAR PLANTS NEW TO KANSASPublished in Sida, Contributions To Botany, in 1998, in volume 18, issue 2, pages 593-604Created: 2015-12-02, modified: 2015-12-02
10. CONSERVATION OF DIPTERAPublished in Manual of Afrotropical Diptera, in 2017, in volume 1, pages 239-252Created: 2025-06-10, modified: 2025-06-10
A new spinning mite attacking Asparagus plumosus in FloridaPublished in Proceedings of the Entomological Society of Washington, in 1930, in volume 32, pages 161-163Created: 2011-06-01, modified: 2011-06-21
A new spinning mite on citrus at Yuma, ArizonaPublished in Proceedings of the Entomological Society of Washington, in 1934, in volume 36, pages 256-259Created: 2011-06-01, modified: 2011-06-21
Lipeurus dovei McGregor, a synonym of Lipeurus caponis (Linnaeus)Published in Proceedings of The Entomological Society of Washington, in 1955, in volume 57, pages 74Created: 2011-01-31, modified: 2011-06-21
Six new species of Mallophaga from North American mammalsPublished in Annals of The Entomological Society of America, in 1917, in volume 10, pages 167-175Created: 2011-01-31, modified: 2016-08-22
Description of a new species of Prionochilus from the Highlands of LuzonPublished in Philippine Journal of Science, in 1915, in volume 9, issue D, pages 531-533Created: 2015-04-22, modified: 2015-04-22
The false spider mite, Brevipalpus lewisi McGregor-a potential pest of English walnutPublished in Pan-Pacific Entomologist, in 1956, in volume 32, pages 93-94Created: 2018-08-12, modified: 2018-08-12