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  1. Bird-infesting Mallophaga collected by the Williams Galapagos Expedition
    By: Ewing, H E
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society.
    Volume: 5
    Issue: 7
    Date: 1924
    Page Range: 81--84
    Publication info: New York.1907-1974.
    View Article
  2. The adult of our common North American chigger
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 38
    Date: 1925
    Page Range: 17--19
    Publication info: Washington,Biological Society of Washington
    View Article
  3. A catalogue of the Trombiculinae, or chigger mites, of the New World with new genera and species and a key to genera
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 80
    Date: 1931
    Page Range: 1--9
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  4. A collection of fleas from the islands of Hawaii
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 26
    Date: 1924
    Page Range: 209--210
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  5. The dermanyssid mites of North America
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 62
    Issue: 2459
    Date: 1923
    Page Range: 1--26
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  6. The English Sparrow as an Agent in the Dissemination of Chicken and Bird Mites
    By: Ewing, H E
    Type: Article
    In: The Auk.
    Volume: 28
    Date: 1911
    Page Range: 335--340
    Publication info: Washington, D.C. :American Ornithologists' Union, etc.,1884-
    View Article
  7. The Genus Trombicula Berlese, in America and the Orient
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 13
    Date: 1920
    Page Range: 381--390
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  8. A key to the genera of chiggers (mite larvae of the subfamily Trombiculinae) with descriptions of new genera and species
    By: Ewing, H E
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 28
    Date: 1938
    Page Range: 288--295
    Publication info: Washington [etc.,Washington Academy of Sciences]
    View Article
  9. Mites Associated With the Oyster-Shell Scale ( Lepidosaphes Ulmi Linne)
    By: Ewing, H E - Webster , R L
    Type: Article
    In: Psyche.
    Volume: 19
    Date: 1912
    Page Range: 121--134
    Publication info: Cambridge, Mass. :Cambridge Entomological Club1874-
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  10. New American Oribatoidea
    By: Ewing, H E
    Type: Article
    In: Journal of the New York Entomological Society.
    Volume: 17
    Date: 1909
    Page Range: 116--136
    Publication info: Lawrence, Kan. :Allen Press [etc.],1893-2007.
    View Article
  11. A new eriophyid mite from lemon trees (Acarina : Eriophyidae)
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 39
    Date: 1937
    Page Range: 193--194
    Publication info: Washington, etc. :Entomological Society of Washington
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  12. A new flea from Alaska
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 40
    Date: 1927
    Page Range: 89--90
    Publication info: Washington,Biological Society of Washington
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  13. New genera and species of parasitic mites of the superfamily Parasitoidea
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 82
    Issue: 2971
    Date: 1933
    Page Range: 1--14
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  14. New genera and species of Protura
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 23
    Date: 1921
    Page Range: 193--202
    Publication info: Washington, etc. :Entomological Society of Washington
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  15. New genera and species of sucking lice
    By: Ewing, H E
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 13
    Date: 1923
    Page Range: 146--149
    Publication info: Washington [etc.,Washington Academy of Sciences]
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  16. A new genus and species of Oribatidae
    By: Ewing, H E
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 19
    Date: 1908
    Page Range: 243--245
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
    View Article
  17. New mites of the parasitic genus Haemogamasus Berlese
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 38
    Date: 1925
    Page Range: 137--143
    Publication info: Washington,Biological Society of Washington
    View Article
  18. New nearctic spider mites of the family Tetranychidae
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 59
    Issue: 2394
    Date: 1921
    Page Range: 659--666
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  19. New Neotropical insects of the apterygotan family Japygidae
    By: Ewing, H E - Fox, Irving
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 92
    Issue: 3151
    Date: 1942
    Page Range: 291--299
    Publication info: Washington :Smithsonian Institution Press, [etc.]
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  20. New North American genera and species of apterygotan insects of the family Japygidae
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 43
    Date: 1941
    Page Range: 69--75
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  21. New North American Siphonaptera
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 53
    Date: 1940
    Page Range: 35--37
    Publication info: Washington,Biological Society of Washington
    View Article
  22. A new parasite of the house fly
    By: Ewing, H E
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 24
    Date: 1913
    Page Range: 452--456
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
    View Article
  23. New predaceous and parasitic Acarina
    By: Ewing, H E
    Type: Article
    In: Psyche.
    Volume: 18
    Date: 1911
    Page Range: 37--43
    Publication info: Cambridge, Mass. :Cambridge Entomological Club1874-
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  24. New species of Acarina
    By: Ewing, H E
    Type: Article
    In: Transactions of the American Entomological Society
    Volume: 35
    Date: 1909
    Page Range: 401--418
    Publication info: Philadelphia :The Society,1890-
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  25. New species of economic mites
    By: Ewing, H E
    Type: Article
    In: Journal of economic entomology.
    Volume: 10
    Date: 1917
    Page Range: 497--501
    Publication info: [College Park, Md., etc.]Entomological Society of America [etc.]
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  26. New species of mites of the subfamily Trombiculinae, with a key to the New World larvae of the akamushi group of the genus Trombicula
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 50
    Date: 1937
    Page Range: 167--173
    Publication info: Washington,Biological Society of Washington
    View Article
  27. A new sucking louse from the chimpanzee
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 45
    Date: 1932
    Page Range: 117--118
    Publication info: Washington,Biological Society of Washington
    View Article
  28. New Tarsonemid mites (Order Acarina, family Tarsonemidae)
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 26
    Date: 1924
    Page Range: 66--69
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  29. North American mites of the subfamily Myobiinae, new subfamily (Arachnida)
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 40
    Date: 1938
    Page Range: 180--197
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  30. Notes on Pseudoscorpions; A Study on the Variations of Our Common Species, Chelifer cancroides Linn., with Systematic Notes on Other Species
    By: Ewing, H E
    Type: Article
    In: Journal of the New York Entomological Society.
    Volume: 19
    Date: 1911
    Page Range: 65--81
    Publication info: Lawrence, Kan. :Allen Press [etc.],1893-2007.
    View Article
  31. Notes on some parasitic mites of the superfamily Parasitoidea, with a key to the American genera of the Liponyssinae
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 60
    Date: 1947
    Page Range: 83--89
    Publication info: Washington,Biological Society of Washington
    View Article
  32. Notes on the American oribatid fauna, with a list of four species of European Oribatidae hitherto unknown in this country
    By: Ewing, H E
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 20
    Date: 1909
    Page Range: 373--376
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
    View Article
  33. Notes on the lung mites of Primates (Acarina: Dermanyssidae), including the description of a new species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 31
    Date: 1929
    Page Range: 126--130
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  34. Notes on the siphonapteran genus Catallagia Rothschild, including the description of a new species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 42
    Date: 1929
    Page Range: 125--127
    Publication info: Washington,Biological Society of Washington
    View Article
  35. Notes on the taxonomy of the trombiculid mites
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 57
    Date: 1944
    Page Range: 101--104
    Publication info: Washington,Biological Society of Washington
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  36. Notes on the taxonomy of three economic species of mites, including the description of a new species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 45
    Date: 1932
    Page Range: 99--101
    Publication info: Washington,Biological Society of Washington
    View Article
  37. Notes on the taxonomy of three genera of trombiculid mites (chigger mites), together with the description of a new genus
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 59
    Date: 1946
    Page Range: 69--71
    Publication info: Washington,Biological Society of Washington
    View Article
  38. On the taxonomy, biology and distribution of the biting lice of the family Gyropidae
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 63
    Date: 1924
    Page Range: 1--42
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  39. The origin and classification of the Apterygota
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 44
    Date: 1942
    Page Range: 76--99
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  40. Parthenogenesis in the Pear-Slug Saw-Fly
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 10
    Date: 1917
    Page Range: 330--336
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  41. The Phylogeny of the Gall Mites and a New Classification of the Suborder Prostigmata of the Order Acarina
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 15
    Date: 1922
    Page Range: 213--222
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  42. The Rediscovery of a Peculiar Genus and Species of Oribatidae
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 3
    Date: 1910
    Page Range: 209--212
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  43. Revision of the American leafhoppers of the Jassid genus Typhlocyba
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 68
    Date: 1926
    Page Range: 1--47
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  44. The scorpions of the western part of the United States, with notes on those occurring in northern Mexico
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 73
    Issue: 2730
    Date: 1928
    Page Range: 1--24
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  45. Some notes on the taxonomy of grain mites (Acarina: Acaridae, formerly Tyroglyphidae)
    By: Ewing, H E - Nesbitt, H H S
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 55
    Date: 1942
    Page Range: 121--124
    Publication info: Washington,Biological Society of Washington
    View Article
  46. Some recent generic derivatives of the mallophagan genus Philopterus Nitzsch (Philopteridae)
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 28
    Date: 1926
    Page Range: 145--150
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  47. Studies on the taxonomy and biology of the Tarsonemid mites, together with a note on the transformations of Acarapis (Tarsonemus) woodi Rennie (Acarina)
    By: Ewing, H E
    Type: Article
    In: The Canadian entomologist.
    Volume: 54
    Date: 1922
    Page Range: 104--113
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
    View Article
  48. Synonymy and synopsis of the order Protura
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 49
    Date: 1936
    Page Range: 159--166
    Publication info: Washington,Biological Society of Washington
    View Article
  49. A synopsis of the genera of beetle mites with special reference to the North American fauna
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 10
    Date: 1917
    Page Range: 117--132
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  50. Taxonomic notes on American chiggers (larvae of the mite family Trombiculidae), including the redescription of a genus and the descriptions of two new species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 59
    Date: 1946
    Page Range: 21--26
    Publication info: Washington,Biological Society of Washington
    View Article
  51. The taxonomic value of characters of the male genital armature in the genus Tetranychus Dufour
    By: Ewing, H E
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 6
    Date: 1913
    Page Range: 453--460
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
    View Article
  52. The taxonomy and host relationships of the biting lice of the genera Dennyus and Eureum, including the descriptions of a new genus, subgenus, and four species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 77
    Date: 1930
    Page Range: 1--16
    Publication info: Washington :Smithsonian Institution Press, [etc.]
    View Article
  53. The taxonomy of the anopluran genera Polyplax and Eremophthirius, including the description of new species
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 48
    Date: 1935
    Page Range: 201--210
    Publication info: Washington,Biological Society of Washington
    View Article
  54. The taxonomy of the anopluran genus Pediculus Linnaeus
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 46
    Date: 1933
    Page Range: 167--173
    Publication info: Washington,Biological Society of Washington
    View Article
  55. Three new species of peculiar and injurious spider mites
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 24
    Date: 1922
    Page Range: 104--108
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  56. Three new species of the genus Bdella (Mites)
    By: Ewing, H E
    Type: Article
    In: The Canadian entomologist.
    Volume: 41
    Date: 1909
    Page Range: 122--126
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
    View Article
  57. Two new genera and one new species of Siphonaptera
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 40
    Date: 1938
    Page Range: 93--95
    Publication info: Washington, etc. :Entomological Society of Washington
    View Article
  58. Two new generic names and three new species of Mallophaga
    By: Ewing, H E
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 43
    Date: 1930
    Page Range: 125--128
    Publication info: Washington,Biological Society of Washington
    View Article
  59. Two new species of the genus Phthiracarus
    By: Ewing, H E
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 19
    Date: 1908
    Page Range: 449--451
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
    View Article
  60. Two new spider mites (Tetranychidae) from Death Valley, California (Acarina)
    By: Ewing, H E
    Type: Article
    In: Entomological news.
    Volume: 37
    Date: 1926
    Page Range: 142--143
    Publication info: [Philadelphia]American Entomological Society,1925-
    View Article