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Howard, L.O. 1891, The methods of pupation among the Chalcidoidea. Insect Life
4:193-196
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Keywords: Pupal morphology
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Howard, L.O. 1891 (02 Apr 1891), The habits of Eurytoma. Proceedings of the Entomological Society of Washington
2:66-67
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Howard, L.O. 1891 (02 Apr 1891), The habits of Pachyneuron. Proceedings of the Entomological Society of Washington
2:105-109
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Keywords: Biology
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Howard, L.O. 1891 (02 Apr 1891), The parasites of the Hemerobiinae. Proceedings of the Entomological Society of Washington
2(1):123-124
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Howard, L.O. 1892 (28 Mar 1892), The biology of the hymenopterous insects of the family Chalcididae. Proceedings of the United States National Museum
14:567-588
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Keywords: Biology
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Howard, L.O. 1892 (30 Apr 1892), The habits of Elasmus. Insect Life
4:253-254
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Keywords: Hosts; Parasitism
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Howard, L.O. 1892 (30 Jun 1892), June 4, 1891. [Cruderus columbiana.] Proceedings of the Entomological Society of Washington
2:215
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Howard, L.O. 1892 (30 Jun 1892), Appearance of mealy bugs parasitized by Leptomastix. Proceedings of the Entomological Society of Washington
2:237
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Keywords: Hosts; Parasitism
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Howard, L.O. 1892 (30 Jun 1892), The habits of Melittobia. Proceedings of the Entomological Society of Washington
2:244-248
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Howard, L.O. 1892 (31 Aug 1892), A new Icerya parasite. Insect Life
4:378-379
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Keywords: Hosts; Taxonomy
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