Townes H., 1948: The Serphoid Hymenoptera of the family Roproniidae. 5 pp.
 
52354
Townes H., 1949: The nearctic species of Evaniidae (Hymenoptera). 15 pp.
 
52355
Townes H., 1949: The nearctic species of the family Stephanidae (Hymenoptera). Pl. 25, 10 pp.
 
52356
Townes H., 1950: The Nearctic species of Gasteruptiidae (Hymenoptera). 61 pp. [M58]
 
52357
Townes H., 1956: The nearctic species of trigonalid wasps. 10 pp.
 
HYM 4082
Townes H., 1965: Labeling in the Gravenhorst collection of Ichneumonidae (Hymenoptera). 5 pp. [M43]
 
HYM 4087
Trakal J., 1947: Vosy podčeledi Vespinae v okolí Pařížova na Čáslavsku. 4 pp. [M43]
 
HYM 4095
Tripp H. A., 1965: The development of Neodiprion swainei Middleton (Hymenoptera: Diprionidae) in the province of Quebec. 16 pp.
 
52365
Tryapitsyn V. A., 1962: New encyrtids (Hymenoptera, Encyrtidae) from the USSR and Afghanistan. 13 pp. (in Russian).
 
AEP 35543
Tryapitsyn V. A., 1963: Species of the genus Oobius, gen. n. (Hymenoptera, Encyrtidae) in the USSR. 5 pp. Acta Entomologica Musei Nationalis Pragae 35: 542-547.
 
HYM 4100
Tryapitsyn V. A., 1963: Species of the genus Oobius, gen. n. (Hymenoptera, Encyrtidae) in the USSR. 5 pp. [M43]
 
52370
Tryapitsyn V. A., 1975: Contribution to the knowledge of parasitic Hymenoptera of the genus Metaphycus Mercet, 1917 (Hymenoptera, Chalcidoidea, Encyrtidae) of Czechoslovakian fauna. 13 pp.
 
FEH 301153
Tryapitsyn V. A., 1977: New genera and species of parasitic Hymenoptera of the family Encyrtidae (Hymenoptera: Chalcidoidea). 14 pp. [52372] Folia Entomologica Hungarica (S.N.) 30(1): 153-166.
 
HYM 4107
Tryapitsyn V. A., Vojnovitsh N. D., Sharkov A. V., 1987: Novyj vid encirtid roda Copidosomopsis Girault (Hymenoptera, Encyrtidae) iz Vietnama. 6 pp. [M43]
 
HYM 4109
Tschek C., 1869: Ueber eine neue Galle auf Eichen und deren Erzeuger. 2 pp.
 
HYM 4110
Tschek C., 1871: Zwei neue oesterreichische Cynipiden und deren Gallen. 2 pp.
 
PPE 44585
Tsuneki K., 1974: A contribution to the knowledge of Sphecidae occurring in Southeast Asia (Hym.). 76 pp. [52390] [M30] Polskie Pismo Entomologiczne.
 
HYM 4119
Turner R. E., 1926: New Sphegidae from the Malay Peninsula. 4 pp. [M43]
 
HYM 4120
Turner R. E., 1927: On a new Thynnid wasp from Paraguay. 1 pp.
 
52399
Turner R. E., 1928: New Hymenoptera of the family Bethylidae. 24 pp.
 
HYM 4123
Turner R. E., 1935: Notes on the Masarid Wasps of the genus Quartinia. 4 pp.
 
HYM 4126
Turner R. E., 1937: Notes on fossorial Hymenoptera. XLVI. On new Australian Thynnidae. 7 pp.
 
ZCS 13125
Tyrner P., 1977: Dva nové nálezy kutilek pro Čechy (Hymenoptera, Sphecidae). 1 pp. [HYM 4131] Zprávy Československé společnosti Entomologické při ČSAV 13: 125.
 
KLA 37129
Tyrner P., 2001: Faunistic records from the Czech Republic – 134. Hymenoptera: Chrysididae, Sphecidae. 2 pp. [M52] Klapalekiana 37: 129-130.
 
HYM 4132
Ubisch L., 1930: Heft 11. Staat und Gesellschaft bei den Ameisen. 16 pp.
 
ESC 10209
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.
 
HYM 7490
Ulbrich K., Seidelmann K., Ruhnke H., Ferenz H.-J., 2000: Einfluss individuellen Nistverhaltens auf die Populationsdynamik: Ein individuen-basiertes Modell zu Wildbienen. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 531-534.
 
PPE 68151
Ulrich W., 1999: The number of species of Hymenoptera in Europe and assessment of the total number of Hymenoptera in the world. 14 pp. Polskie Pismo Entomologiczne 68(2): 151-164.
 
SBB 84081
Urban C., Kopelke J. P., 2004: Mikroökosystem Weidenkätzchen (Salix spp.) – Struktur und Funktion einer spezialisierten Insektengemeinschaft (Insecta: Coleoptera: Diptera: Lepidoptera: Thysanoptera: Hemiptera: Hymenoptera). 15 pp. Senckenbergiana biologica 84(1/2): 81-95.
 
EBA 02411
Urbani C. B., 1977: Ergebnise der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel, Hymenoptera: Fam. Formicidae Genus Mayriella. 4 pp. [M51] Entomologica Basiliensia 2: 411-414.
 
EBA 02415
Urbani C. B., 1977: Ergebnise der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel, Hymenoptera: Fam. Formicidae Genus Stenamma, con una nuova specie del Kashmir. 8 pp. [M51] Entomologica Basiliensia 2: 415-422.
 
EBA 02427
Urbani C. B., 1977: Materiali per una revisione della sottofamiglia Leptanillinae Emery (Hymenoptera: Formicidae). 62 pp. [M51] Entomologica Basiliensia 2: 427-488.
 
HYM 7131
Valkeila E., 1955: Observations on the biology and development of Deuteragenia intermedia Dhlb. (Hym., Psammocharidae). 4 pp.
 
SPX 08145
Van Rossem G., 1985: A revision of Western Palaearctic Oxytorine Genera Part V Genus Aperileptus (Hymenoptera, Ichneumonidae). Spixiana 8: 145-
 
EFA 1619
Vardy C. R., 1995: A new genus and species of stridulating wasp from Costa Rica (Hymenoptera: Sphecidae, Gorytini). 8 pp. Entomofauna 16/19: 393-400.
 
PPE 68143
Vasu V., Saini M. S., 1999: Three new species of the genus Tenthredo L. from India (Hymenoptera: Tenthredinidae). 8 pp. Polskie Pismo Entomologiczne 68(2): 143-150.
 
HYM 4159
Vecht J. van der, 1937: On a new Piagetia, with notes on other species (Hym., Sphecidae). 9 pp.
 
HYM 4174
Vecht J. van der, 1970: Further notes on Fabrician types of Vespoidea (Hymenoptera). 10 pp.
 
HYM 4175
Vecht J. van der, 1971: Notes on Palaearctic Eumenidae (Hymenoptera) (part 2). 8 pp.
 
EFA 0517
Vecht J. van der, 1984: Die orientalische Mauerwespe Sceliphron curvatum (Smith, 1870) in der Steiermark, Oesterreich (Hymenoptera, Sphecidae). 7 pp. [M20] Entomofauna 5/17: 213-219.
 
HYM 7491
Veit U., Klumpp A., Fomin A., 2000: Chemisch-analytische Untersuchungen zur Wirkung von Ozon auf Ameisenpheromone. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Agnew. Ent. 12: 227-230.
 
HYM 4187
Verhoeff P. M. F., 1947: Sphex viatica Linné, 1758 = Anoplius viaticus (L.) (Hym. Pomp.). 3 pp.
 
FGE 26085
Virla E. G., Olmi M., 1994: Description of Gonatopus virlai Olmi, a new species from Argentina, and initial data on its development stages (Hymenoptera, Dryinidae). 10 pp. [HYM 4222] Fragmenta entomologica 26(1): 85-94.
 
NBE 44047
Voith J., 1995: Solierella compedita (Piccioli, 1869) nun auch in Bayern nachgewiesen (Hymenoptera, Sphecidae). 2 pp. [HYM 4225] Nachrichtenblatt der Bayerischen Entomologen 44(3/4): 47-48.
 
NBE 46020
Voith J., 1997: Coelioxys mandibularis Nyl. als Kuckucksbiene von Osmia villosa (Schck.) (Hymenoptera, Apiformes, Megachilidae). 6 pp. [HYM 4226] Nachrichtenblatt der Bayerischen Entomologen 46(1/2): 20-25.
 
52475
Vovejkov G. S., Vyrzhikovskaja A. V., Rudolf V. P., Steinberg D. M., 1958: The attempt of creating an artificial population of bumble-bees for the purpose of increasing the seed-production of the red clover. 24 pp. (in Russian).
 
52477
Vyrzhikovskaya A., 1954: Rastitelnojadnyje orechotvorky (Hymenoptera, Cynipinae) rajona srednego tečenia r. Urala. 23 pp.
 
HYM 7492
Wäckers F., Filippini A., Dorn S., 2000: Ein Vergleich verschiedener Nektar- und Honigtauzucker bezüglich ihrer geschmacklichen Akzeptanz durch die Brackwespe Cotesia glomerata. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 585-588.
 
FFA 1604
Wagner J., 1970: Bleskotki (Chalcidoidea, Hym.) pasozytujace w galasówkach (Cynipidae, Hym.) okolic Warszawy. 15 pp. Fragmenta Faunistica 164: 27-41.
 
52480
Wahis R., 1961: Recherches systematiques sur les Hemipepsis indo-orientales et australiennes. VII. Sur quelques espéces indiennes de la collection Henri de Saussure et description d’espéces malaises nouvelles (Hymenoptera Pompilidae, Pepsinae). 20 pp.