U. Nógrádi S., 1992: Five Trichoptera species new to the Hungarian fauna. 5 pp. [TRI 123] Folia Entomologica Hungarica (S.N.) 52: 181-185.

 Ubaidillah R., Lasalle H., Quicke D. L. J., Kojima J., 2003: Cladistic analysis of morphological characters in the eulophine tribe Cirrospilini (Hymenoptera: Eulophidae). 21 pp. [53291] Entomological Science 6(4): 259-279.

 Ubaidillah R., LaSalle J., 1996: A new genus and three new species of Tetrastichinae (Hymenoptera: Eulophidae) from Brunei. 15 pp. 

 Ubaidillah R., LaSalle J., Quicke D. L. J., 2000: A peculiar new genus and species of Entedoninae (Chalcidoidea: Eulophidae) from Southeast Asia. 6 pp. 

 Ubick D., 2005: New genera and species of cribellate Coelotine spiders from California (Araneae: Amaurobiidae). 32 pp. (in English). Proceedings of the California Academy of Sciences 56(24): 305-336.

 Ubick D., Briggs T. S., 1992: The harvestman family Phalangodidae. 3. Revision of Texella Goodnight and Goodnight (Opiliones: Laniatores). 86 pp. (in English). Texas Mem. Mus., Speleol. Monogr. 3: 155-240.

 Ubik K., Křeček J., Vašíčková S., 1982: Defensive secretion of the Cuban millipede Rhinocricus duvernoyi (Diplopoda, Spirobolida). 2 pp. 

 Ubik K., Křeček J., Vašíčková S., 1982: Defensive secretion of the Cuban millipede Rhinocricus duvernoyi (Diplopoda, Spirobolida). 2 pp. Acta entomologica Bohemoslovaca 79: 468-469.

 Ubisch L., 1930: Heft 11. Staat und Gesellschaft bei den Ameisen. 16 pp. 

 Uchida T., 1928: Beitrag zur Kenntnis der Japanischen Cimbex- und Agenocimbex-Arten (Hym.). 8 pp. 

 Uchida T., 1929: Ueber die Trigonaloiden Japans (Hym.). 3 pp. 

 Uchida T., 1930: Allgemeine beschreibung ueber den Beitrag zur Ichneumoniden-Fauna Japans. 28 pp. 

 Uchida T., 1941: Die Kriechbaumerschen Typen der japanischen Incheumoniden. 4 pp. 

 Uchida T., 1955: Neue oder wenig bekannte Schmarotzer der Nadelholz-Blattwespen nebst einem neuen sekundaeren Schmarotzer. 70 pp. 

 Uchida T., : Schmarotzer von Grapholitha glycinivorella. 4 pp. 

 Uckan F., Öztürk Z., Altuntas H., Ergin E., 2011: Effects of gibberellic acid (GA3) on biological parameters and hemolymph metabolites of the Pupal Endoparasitoid Pimpla turionellae (Hymenoptera: Ichneumonidae) and its host Galleria mellonella (Lepidoptera: Pyralidae). 14 pp. (in English). Journal of the Entomological Research Society 13(3): 1-14.

 Udaka M., 1959: The Ceratopogonidae of the Ishizuchi Range, Shikoku, Japan (Diptera). 6 pp. (in English). Transactions of the Shikoku Entomological Society 6(2): 17-22.

 Udekem d’Acoz C. d’, 2004: The genus Bathyporeia Lindström, 1855, in western Europe (Crustacea: Amphipoda: Pontoporeiidae). 162 pp. (in English). Zoologische Verhandelingen 348: 1-162.

 Udržal R., 1995: Bathyscia mikati sp. n., ein neuer Blindkäfer aus Montenegro (Coleoptera: Leiodidae: Leptodirini). 4 pp. [FHC 41] [M43] Folia Heyrovskyana 3(2): 25-28.

 Udržal R., Moravec Josef, 1999: New species of the genera Albaniola and Hussonella (Coleoptera: Leiodidae: Leptodirini) from Macedonia. 12 pp. [FHC 103] [M21] Folia Heyrovskyana 7(1): 33-44.

 Uechi N., Uesato T., Yukawa J., 2007: Detection of an invasive gall-inducting pest, Quadrastichus erythrinae (Hymenoptera: Eulophidae), causing damage to Erythrina variegata L. (Fabaceae) in Okinawa Prefecture, Japan. 4 pp. Entomol. Sci. 10(2): 209-212.

 Ueda T., 1995: The genus Helcystogramma (Lepidoptera, Gelechiidae) of Japan. 11 pp. 

 Ueda T., 1997: A revision of the genus Autosticha Meyrick from Japan (Lepidoptera, Oecophoridae). 19 pp. 

 Uemura K., Tanai T., 1993: Betulaceous leaves and fruits from the Oligocene of Kitami, Hokkaido, Japan. 9 pp. (in English). Memoirs of the National Science Museum 26: 21-29.

 Uemura L., 1991: Middle miocene plant megafossil assemblages from Onnebetsu and Niupu in the Nayoro area, Hokkaido. 10 pp. (in Japanese). Memoirs of the National Science Museum 24: 17-26.

 Ueno H., Furukawa S., Tsuchida K., 2006: Difference in the time of mating activity between host-associated populations of the rice stem borer, Chilo suppressalis (Walker). 5 pp.  Entomol. Sci. 9(3): 255-259.

 Uéno S. I., 1983: An addition to the genus Oroblemus (Coleoptera, Trechinae). 3 pp. (in English). Journal of the Speleological Society of Japan 8: 18-20.

 Uéno S.-I., 1977: Ergebnisse der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel. Coleoptera: Fam. Carabidae Subfam. Trechinae. 22 p. [M51] Entomologica Basiliensia 2: 175-196.

 Uéno S.-I., 1987: The derivation of terrestrial cave animals. 14 pp. 

 Uéno S.-I., 1990: Occurence of a new Kurasawatrechus (Coleoptera, Trechinae) at the central part of the Abukuma Hills, East Japan. 4 pp.  Elytra 18(2): 175-178.

 Uéno S.-I., 1990: The anophthalmic trechine beetles from the southwestern tip of Hokkaido, Northeast Japan. 7 pp.  Elytra 18(2): 167-173.

 Uéno S.-I., 1999: A new isolated Trechus (Coleoptera, Trechinae) from the Micang Shan Mountains in Northeastern Sichuan, Southwest China. 6 pp. Elytra 27(2): 611-616.

 Uéno S.-I., 1999: Ishikawatrechus kusamai (Coleoptera, Trechinae), a new Anophthalmic cave trechine from Western Shikoku, Japan. 5 pp. Elytra 27(1): 81-85.

 Uéno S.-I., 1999: New genera and species of Aphaenopsoid Trechines (Coleoptera, Trechinae) from south-central China. 17 pp. Elytra 27(2): 617-633.

 Uéno S.-I., 1999: New records of Kurasawatrechus (Coleoptera, Trechinae) from central Shinano, central Japan. 6 pp. Elytra 27(1): 277-282.

 Uéno S.-I., 1999: The Anophthalmic trechine beetles of the genus Kusumia (Coleoptera, Trechinae). 443 pp. Elytra 27(1): 283-326.

 Uéno S.-I., 2000: A new cave Trechine from Southwestern Hubei, with notes on the genus Cathaiaphaenops (Coleoptera, Trechinae). 10 pp. Elytra 28(2): 265-274.

 Uéno S.-I., 2000: Notes on Guizhaphaenops (Coleoptera, Trechinae), with descriptions of two new species. 18 pp. Elytra 28(2): 247-264.

 Uéno S.-I., 2000: Two new anophthalmic Trechiama (Coleoptera, Trechinae) from the Hakubi Hills in Western Honshu, Japan. 10 pp. Elytra 28(1): 21-30.

 Uéno S.-I., 2001: The Trechiama (Coleoptera, Trechinae) of the Asahi Mountains and the adjacent volcanoes in northeast Japan. 16 pp. Elytra 29(2): 369-384.

 Uéno S.-I., 2001: Two new Stygiotrechus (Coleoptera Trechinae) on the verge of extinction. 15 pp. Elytra 29(1): 233-247.

 Uéno S.-I., 2002: A new genus and species of aphaenopsoid trechine beetle from the northern side of the Yangtze River. 9 pp. Elytra 30(2): 411-419.

 Uéno S.-I., 2002: A second species of the Trechine genus Uenotrechus (Coleoptera, Trechinae). 8 pp. Elytra 30(2): 399-406.

 Uéno S.-I., 2002: In memoriam Sumao Kasahara (10 July 1935 – 29 Sept. 2001). 12 pp. Elytra 30(2): 273-284.

 Uéno S.-I., 2002: New records of Laosaphaenops deharvengi (Coleoptera, Trechinae), with notes on some character states of taxonomic importance. 4 pp. Elytra 30(2): 421-424.

 Uéno S.-I., 2002: New Sinaphaenops (Coleoptera, Trechinae) from Southern Guizhou, with notes on Thaumastaphaenops pulcherrimus. 16 pp. Elytra 30(1): 57-72.

 Uéno S.-I., 2003: A new genus and species of extraordinary cave Trechine (Coleoptera, Trechinae) from Eastern Yunnan, Southwest China. 8 pp. Elytra 31(1): 245-252.

 Uéno S.-I., 2003: New Awatrechus (Coleoptera, Trechinae) from the northwestern peripheries of the range of generic distribution. 15 pp. Elytra 31(2): 415-429.

 Uéno S.-I., 2004: A new genus with two new species of hygrophilous Trechine beetles (Coleoptera, Trechinae) from the Daba Shan Mountains, West-central China. 11 pp. Elytra 32(2): 265-275.

 Uéno S.-I., 2004: Two new humicolous trechines (Coleoptera, Trechinae) from Shennongjia, Western Hubei. 10 pp. Elytra 32(2): 277-286.