Hurd P. D., 1959: Some nomenclatorial problems in the genus Xylocopa Latreille (Apoidea), 14 pp. 

 Hurd P. D., 1961: A synopsis of the carpenter bees belonging to the subgenus Xylocopoides Michener (Apoidea). 2 plates, 11 pp. 

 Hurd P. D., 1967: The identity of Megachile rotundata (Fabricius) and M. argentata (Fabricius) (Hymenoptera: Apoidea). 8 pp. 

 Hurd P. D., 1978: Bamboo-nesting carpenter bees (genus Xylocopa Latreille) of the subgenus Stenoxylocopa Hurd and moure (Hymenoptera: Anthophoridae). 19 pp. 

 Hurd P. D., Linsley E. G., 1950: Some insects associated with nests of Dianthidium dubium dilectum Timberlake, with a list of the recorded parasites and inquilines of Dianthidium in North America. 4 pp. 

 Hurd P. D., Linsley E. G., 1959: Observations on the nest-site behavior of Melisodes composita Tucker and its parasites, with notes on the communal use of nest entrances (Hymenoptera: Apoidea). 6 pp. 

 Hurd P. D., Linsley E. G., 1965: The Mexican squash and gourd bees of the genus Peponapis (Hymenoptera: Apoidea). 18 pp. 

 Hurd P. D., Linsley E. G., 1967: South American squash and gourd bees of the genus Peponapis (Hymenoptera: Apoidea). 16 pp. 

 Hurd P. D., Linsley E. G., 1974: The status of Nomia mesillensis Cockerell (Hymenoptera: Halictidae). 2 pp. 

 Hurd P. D., Linsley E. G., Whitaker T. W., 1971: Squash and gourd bees (Peponapis, Xenoglossa) and the origin of the cultivated Cucurbita. 17 pp. 

 Hurd P. D., Moure , 1960: A new-world subgenus of Bamboo-nesting carpenter bees belonging to the genus Xylocopa Latreille (Hymenoptera: Apoidea). 13 pp. 

 Hurd P. D., Moure , 1961: Systematics of the carpenter bee types (Xylocopa Latreille) contained in the collections of the museo Argentino di ciencias naturales “Bernardino Rivadavia”, Buenos Aires, (Apoidea), 15 pp. 

 Hurd P. D., Wasbauer M. S., 1956: New host records for North American spider-wasps (Hymenoptera: Pompilidae). 2 pp. 

 Husain T., Agarwal M. M., 1989: Three new species of Brachymeria Westwood from India (Insecta, Hymenoptera, Chalcidoidea: Chalcididae). 3 pp. Reichenbachia 27(1): 85-87.

 Husain T., Kudeshia P. P., 1984: New Elasmus (Hymenoptera, Elasmidae) from India. 3 pp. [M47] 

 Husain T., Kudeshia P. P., 1989: Two new species of Elasmus Westwood, 1833 from India (Insecta, Hymenoptera, Chalcidoidea: Elasmidae). 3 pp. Reichenbachia 26(2): 149-151.

 Husain T., Rauf A., Kudeshia P. P., 1985: New taxa of Hybothoracini (Hymenoptera, Chalcididae) of India. 8 pp. [M47] 

 Husni ., Kainoh Y., Honda H., 2000: Factors influencing host discrimination in a pupal parasitoid, Brachymeria lasus (Walker) (Hymenoptera: Chalcididae). 9 pp. 

 Hussey N. W., 1956: A new genus of African Megastigminae (Hymenoptera: Chalcidoidea). 6 pp. 

 Ibánez M. D. M., Ruiz E., Banda E., Frías Ó., 2007: Un caso de transporte accidental de una hormiga del género Dorylus (Hymenoptera, Formicidae) por una Golondrina Común. 5 pp. (in Spanish). Boletin de la Asociación espanola de Entomología 31(3-4): 151-155.

 Ibánez M. D. M., Tinaut A., Ruano F., 2007: El género Paratrechina Motschoulsky, 1863, en Espana (Hymenoptera, Formicidae).8 pp. (in Spanish). Boletin de la Asociación espanola de Entomología 31(3-4): 93-100.

 Ibánez Martínez D. M., 2008: Book reviews: Concepción Ornosa y Francisco Javier Ortiz-Sánchez. 2004. Hymenoptera, Apoidea I. En: Fauna Ibérica, vol 23. Ramos, M.A. et al. (Eds). Museo Nacional de Ciencias Naturales, CSIC. Madrid. 553 pp. 1 pp. (in Spain). Graellsia 64(1): 161.

 Ideo S., Watada M., Mitsui H., Kimura M. T., 2008: Host range of Asobara japonica (Hymenoptera: Braconidae), a larval parasitoid of drosophilid flies. 6 pp. Entomological Science 11(1): 1-6.

 Iida T., 1967: A study on the larvae of the genus Sphex in Japan (Hymenoptera, Sphecidae). 8 pp. 

 Ikan R., Ishay J., 1966: Larval wasps secretions and honeydew of the Aphids, Chaitophorus populi, feeding on Pupulus euphratica as sources of sugars in the diet of the Oriental hortnet, Vespa orientalis, F. 5 pp. 

 Ikeda E., 1993: Notes on the Palaearctic Species of Dimmockia (Hymenoptera, Eulophidae). 6 pp. 

 Ikeda E., 1996: Revision of the Japanese Species of Chrysocharis (Hymenoptera, Eulophidae), III. 19 pp. 

 Ikeda E., 1997: A new genus and a new species of Tetrastichinae (Hymenoptera, Eulophidae) from Malaysia and Japan. 7 pp. 

 Ikeda E., 1997: Revision of the Japanese species of Chrysocharis (Hymenoptera, Eulophidae), IV. 14 pp. 

 Ikeda E., 1997: Three species of Tetrastichinae (Hymenoptera, Eulophidae), newly recorded from Japan. 7 pp. 

 Ikeda E., Kamijo K., 1993: A New Specis of Hispinocharis (Hymenoptera, Eulophidae) from Japan. 4 pp. 

 Ikeda E., Sayama K., 1994: Chalcidoids Reared from Elasmujs japonicus Ashmead (Hymenoptera, Elasmidae), a Parasite of Paper Wasps. 2 pp. 

 Ikudome S., 1979: A wild bee survey in Tosayama-Mura (Kôchi Pref.), Shikoru, Japan (Hymenoptera: Apoidea). 13 pp. Kontyu, Tokyo 47(3): 416-428.

 Ikudome S., 1981: Floral records of eighteen species of Halictid bees in Kochi plain, Shikoku, Japan (Hymenoptera, Halictidae). 4 pp. 

 Ikudome S., 1983: Floral records of wild bees in Tosayama-mura, Kochi prefecture, Shikoku, Japan (Hymenoptera, Apoidea). 12 pp. 

 Ikudome S., 1992: The environment and the wild bee fauna of Natural Park in a City, with the result Taken at Shiroyama Park in Kagoshima City, Japan, and with the appendix of a revised bee list recorded from the Mainland of Kagoshima prefecture (Hymenoptera, Apoidea). 37 pp. 

 Ikudome S.. 1999: Notes on Megachilid bees from the Ryukyu Islands, Japan, with description of a new species (Hymenoptera, Megachilidae). 7 pp. Japanese Journal of systematic Entomology (N.S.) 5(1): 1-7.

 Inanç F., 1992: Microgaster gracilis sp. nov. aus der Türkei (Hymenoptera, Braconidae, Microgasterinae). 8 pp. [M23] Entomofauna 13/32: 537-544.

 Inanc F., 2002: Untersuchungen über Cardiochilinae-Fauna der Türkei (Hymenoptera, Braconidae). 4 pp. Entomofauna 23/10: 121-124.

 Inanc F., Beyarslan A., 2001: Die Microgastrinae-Fauna der Ost-Marmara Region der Türkei (Hymenoptera, Braconidae). 23 pp. Entomofauna 22/11: 221-243.

 Inoue M., Endo T., 2006: Spatiotemporal distribution and resorce use of scoliid wasps (Hymenoptera) in coastal sand dunes. 13 pp. Entomological Science 9(4): 359-371.

 Inverea F., 1952: Hyménoptéres récoltés par une mission suisse au maroc (1947). Apterogynidae, Myrmosidae et Mutillidae. 31 pp. 

 Invrea F., 1943: Missione biologica Sagan-Omo diretta dal Prof. E. Zavattari: Due nuovi generi e una nuova specie di Mutillidi. (Hymenoptera). 6 pp. Bolletino della Societa Entomologica Italiana 75(7-8): 96-101.

 Ionescu M. A., 1956: Contributii la studiul Cynipidelor (Insecta Hymenoptera) din R. P. R. 17 pp. 

 Ionescu M. A., 1956: Etudes systématiques et zoogégraphiques sur les Cynipidés (Hyménopteres). 8 pp. 

 Ionescu M. A., 1960: Un genre nouveau de Cynipidés gallicoles, Endocaulonia bicolor n. g. n. sp. (Hymenoptera, Cynipoidea). 6 pp. 

 Ionescu M. A., 1962: Izučenie izmenčivosti i orechotvorok (Cynipidae). 6 pp. 

 Ionescu M. A., Kierych E., 1966: Neue und interessantere Arten phytophagischer Gallwespen (Hym., Cynipidae) aus Rumänien. 13 pp. Fragmenta faunistica 13/10: 187-199.

 Ionescu M. A., Roman N., 1959: Une nouvelle espéce de Cynipide (Hymenoptera Cynipoidea) et une nouvelle Zoocécidie: Timaspis rufipes n. sp. 5 pp. 

 Isaka Y., Sato T., 2014: Molecular phylogenetic and divergence time estimation analyses of the sawfly subfamily Selandriinae (Hymenoptera: Tenthredinidae). 5 pp. Entomological Science 17(4): 435-439.