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Howard, L.O. 1889 (07 Mar 1889), Again Rileya. Canadian Entomologist
21(3):59
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Keywords: Taxonomy
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Howard, L.O. 1889 (30 Mar 1889), Annual address of the President. A commencement of a study of the parasites of cosmopolitan insects. Proceedings of the Entomological Society of Washington
1(3):118-136
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Howard, L.O. 1889 (01 Oct 1889), (In Scudder, S.H.) The Hymenopterous parasites of North American Butterflies including a section upon the miscogasters by C.V. Riley. The Butterflies of the Eastern United States and Canada, with special reference to New England
3:1869-1911
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Keywords: Taxonomy
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Howard, L.O. 1890, A new and remarkable encyrtid: is it parasitic. Insect Life
3:145-148
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Keywords: Taxonomy
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Howard, L.O. 1890, The host relations of parasitic Hymenoptera. Insect Life
3:277-278
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Howard, L.O. 1890 (28 Feb 1890), Some new parasites of the grain plant louse. Insect Life
2:246-248
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Keywords: Hosts; Taxonomy
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Howard, L.O. 1890 (15 May 1890), Note on the hairy eyes of some Hymenoptera. Proceedings of the Entomological Society of Washington
1(4):195-196
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Howard, L.O. 1890 (15 May 1890), Authorship of the family Mymaridae. Proceedings of the Entomological Society of Washington
1(4):221
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Keywords: Taxonomy
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Howard, L.O. 1890 (30 Jun 1890), A North American Axima and its habits. Insect Life
2:365-367
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Keywords: Taxonomy
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Howard, L.O. 1891, A note on parasites. Insect Life
4:48-49
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Keywords: Hosts; Parasitism
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