Ionescu M. A., 1939: Pozitia sistematica a Proturelor. 9 pp.
 
STA 2445
Ipsen A., 2000: Molekularbiologischer Vergleich und Kreuzungsversuche bei zwei höhlenbewohnenden Unterarten von Choleva septentrionis (Coleoptera, Cholevidae). 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 469-472.
 
ARA 663
Íren Z., 1965: Armut ayprak uyuzu (Eriophyes pyrí Pgst) üzerínde tetkík ve Görüsler. 8 pp.
 
95261
Iridon G., Adis J., Junk W. J., Wunderlich F., 1983: Sedimentological studies of the Ilha de Marchantaria in the Solimoes/ Amazon River near Manaus. 18 pp. Amazoniana 8(1): 1-18.
 
95262
Irion G., 1976: Die Entwicklung des zentral- und oberamazonischen Tieflands im Spät-Pleistozän und im Holozän. 13 pp. Amazoniana 6(1): 67-79.
 
EAF 35081
Irmler U., 1987: New Neotropical species of the genus Holotrochus and the new genus Mimotrochus (Coleoptera: Staphylinidae). 29 pp. [M14] [M32] [M52] Entomologische Arbeiten aus dem Museum G. Frey 35-36: 81-109.
 
81036
Irmler U., 1989: Population-ecology and migration of Dero multibranchiata Stieren, 1892 (Naididae, Oligochaeta) in the Central Amazon inundation forest. 22 pp. Amazoniana 11(1): 31-52.
 
AGR 122
Irmler U., Hanssen U., Nötzold R., Schröter L., 2000: Biodiversität in der Agrarlandschaft Bedeutung von Landschaftsstrukturen und Nutzungsänderungen. 11 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 311-321.
 
SPX 08221
Isbrücker I. J. H., Nijssen H., 1985: Exastilithoxus hoedemani, a new species of Mailed Catfish from Rio Marauiá, Est. Amazonas, Brazil (Pisces, Siluriformes, Loricariidae). Spixiana 8: 221-
 
PAL 3
Ishida H., 1991: An Okhotsk Cranium from Oshonnai Site, Rebun Island, Hokkaido. 6 pp. (in Japanese). Memoirs of the National Science Museum 24: 149-154.
 
ANT 2
Ishida H., Dodo Y., Ohshima N., Matsumura H., 1988: Estimation of stature of the Epi-Jomon Esan people in Hokkaido – a preliminary report. 7 pp. (in Japanese). Memoirs of the National Science Museum 21: 221-227.
 
ANT 3
Ishida H., Yonemura T., 1993: A human skeletal remains of the Okhotsk culture excavated at the Omagari 7 cave site, Abashiri, Hokkaido. 7 pp. (in Japanese). Memoirs of the National Science Museum 26: 143-149.
 
MUZ 22
Ishii S., 1977: On the 60th anniversary of the Entomological Society of Japan. 2 pp. Kontyu, Tokyo 45(4): 435-436.
 
HYM 1803
Istomina-Cvetkova K. P., 1963: Nekotorye osobennosti povedenija rabočich osobej medonosnoj pčely Apis mellifea L. (Hymenoptera, Apidae). 11 pp.
 
FEH 461005
Ito M., 1985: Additional notes on the bumblebee fauna of North Korea (Hymenoptera, Apidae). 18 pp. [51130] Folia Entomologica Hungarica (S.N.) 41(1): 5-22.
 
12252
Ito N., 1994: Study on asian Carabidae, IX. Species of the genus Oxycentrus Chaudoir (Coleoptera). 13 pp.
 
12254
Ito N., 1996: Studies on Asian Carabidae, XI. Species of the genus Oxycentrus Chaudoir. 3. (Coleoptera). 12 pp.
 
APT 52
Itoh R., Zhao L. J., 1993: A new species of the genus Papirioides (Collembola, Sminthuridae) from Xishuangbanna, China. 5 pp.
 
80803
Ivanov A. I., 1952: Letnjaja ornitofauna Suputinskogo zapovednika. 19 pp.
 
80804
Ivanov A. I., 1952: Vesennie nabljudenija nad pticami na jugo-zapadnom poberežie Kaspija. 20 pp.
 
7228
Ivanov A. I., 1976: Katalog ptic SSSR. [An annotated list of 765 birds of the USSR ordered systematicly.] 275 pp. (in Russian).
 
ZME 75159
Ivanov B. G., Sokolov V. I., 2001: New records of deep-water shrimps of the genus Pandalopsis with a description of P. zarenkovi spec. nov. (Crustacea: Decapoda: Pandalidae) from the Bering sea. 9 pp. Zoologische Mededelingen Leiden 75: 159-167.
 
HYM 1809
Ivanova-Kazas O. M., 1960: Evoljucija ontogeneza u Hymenoptera. 4 pp. [M47]
 
ASC 57219
Ivanova-Kazas O. M., 1960: Evoljucija ontogeneza u Hymenoptera. 4 pp. [M47] [HYM 1809] Acta Societatis entomologicae Cechosloveniae 57: 219-222.
 
EVE 349
Ivezic M., Jakob J. J., Pivar G. A., 1980: Prilog poznavanju nematoda kukuruza Slavonije i Baranje. 6 pp.
 
AZO 43S1
Ivie M. A., Slipinski S. A., 1990: Catalogue of the genera of World Colydiidae (Coleoptera). 32 pp. [M15]
 
IMO 11327
Ivinskis P. P., 1990: Dannye po faune ognevok (Lepidoptera, Pyraloidea: Crambidae, Phycitidae, Pyraustidae) Mongolii. [Data on the fauna of the pyralid moths (Lepidoptera. Pyraloidea: Crambidae, Phycitidae, Pyraustidae) of Mongolia.] 13 pp. [LEP 1731] Nasekomye Mongolii 11: 327-340.
 
GEN 06401
Iwan D., 1995: A Madagascan genus Lechius gen. nov. (Coleoptera: Tenebrionidae: Platynotini). 14 pp. [12262] [M03]
 
GEN 06359
Iwan D., 1995: A revision of the genus Zidalus Mulsant at Rey, 1856 (Coleoptera: Tenebrionidae: Platynotini). 42 pp. [12263] [M03]
 
AZO 47243
Iwan D., 1997: Revision of the Asian genera of the tribe Platynotini (Coleoptera: Tenebrionidae). 30 pp. [12265] Annales Zoologici 47/1-2: 243-272
 
AZO 47441
Iwan D., 1997: Revision of the trigonopoid Platynotina (Coleoptera: Tenebrionidae: Platynotini). Part I. Genera Amblychirus Koch, Melanopterus Mulsant et Rey, Selinopodus Koch and Trigonopus Mulsant et Rey. 24 pp. [12266] Annales Zoologici 47/3-4: 441-464
 
AZO 48051
Iwan D., 1998: Phymatoplata halsteadi sp. nov. – the second known species of the genus Phymatoplata Koch (Coleoptera: Tenebrionidae: Platynotini). 4 pp. [TEN 322] Annales Zoologici 48/1-2: 51-54
 
AZO 48055
Iwan D., 1998: Revision of the generic group of the Trigonopoid Platynotina (Coleoptera: Tenebrionidae: Platynotini) from south Africa. Part II. Genera Eviropodus Koch, Warchalowskiellus gen. nov., Schelodontes Koch and Zophodes Fahraeus. 30 pp. [12268] Annales Zoologici 48/1-2: 55-84
 
AZO 48305
Iwan D., 1998: Revision of the generic group of the Trigonopoid Platynotina (Coleoptera: Tenebrionidae: Platynotini) from south Africa. Part III. Genera Lawrenceus gen. nov and Platycharlesus gen. nov. 7 pp. [12267] Annales Zoologici 48/3-4: 305-311
 
ELT 28387
Iwata R., Geis K.-U., Hirano Y., 2000: Stephanopachys sachalinensis (Matsumura) (Coleoptera, Bostrychidae) found infesting coniferous bark in Kanagawa prefecture, Japan. 3 pp. (in English). [M54] Elytra 28(2): 387-389.
 
80076
Izecksohn E., 1993: Tres novas espécies de Dendrophryniscus Jiménez de la Espada das Regioes Sudeste e Sul do Brasil (Amphibia, Anura, Bufonidae). 16 pp. Revta bras. Zool. 10(3): 473-488.
 
AGR 85
Izhevskij S. S., 1988: Results of introduction of the entomophages of the injurious phytophagous insects to the USSR. 8 pp. (in Russian). Entomologitsheskoe obozrenie 67(3): 449-456.
 
EVE 350
Izjumova N. A., 1953: Materialy po metodike izutshenija specifitshnosti monogenetitsheskikh sosalshtshikov. 5 pp.
 
ARA 121
Izmajlova, : Novye i maloizvestnye vidy paukov v faune SSSR. 3 pp.