Leclercq J., 2006: Une espéce nouvelle d’Arnoldita Pate, 1948, trouvée en Somalie (Hymenoptera: Crabronidae Crabronini). 4 pp. Notes fauniques de Gembloux 59(1): 58-61.
50
2
NFG 60141
Leclercq J., 2007: Hyménopteres Crabroniens des Amériques du genre Anacrabro Packard, 1866 (Hymenoptera: Crabronidae Crabroninae). 3 pp. (in French). Notes fauniques de Gembloux 60(3): 141-143.
50
2
NFG 60163
Leclercq J., 2007: Hyménopteres Crabroniens des Amériques du genre Ectemnius Dahlbom 1845 (Hymenoptera: Crabronidae Crabronini). 15 pp. Notes fauniques de Gembloux 60(4): 163-177.
150
6
NFG 60093
Leclercq J., 2007: Pour Lecrenierus Leclercq, 1977, genre d’Hyménopteres Crabroniens de l’Amérique Latine (Hymenoptera: Crabronidae Crabroninae). 6 pp. (in French). Notes fauniques de Gembloux 60(2): 93-98.
50
2
NFG 60037
Leclercq J., 2007: Pour sept genres d’Hyménopteres Crabroniens propres au Monde Indo-Pacifique (Hymenoptera: Crabronidae: Crabroninae). 7 pp. Notes fauniques de Gembloux 60(1): 37-43.
50
2
NFG 49025
Leclercq J., Cambra R. A. T., 2002: Tracheliodes panamae sp. n. de Panama (Hymenoptera: Crabronidae, Crabroninae). 6 pp. [HYM 5860] Notes fauniques de Gembloux 49: 25-30.
50
2
HYM 6647
Leclercq J., Enckels R., 1944: Études de faunistique comparée. 1. Comparaison des Hyménopteres Apides du Pays de Herve (Liége) et de la région de Herck-la-Ville (Limbourg). 8 pp.
50
2
HYM 5504
Leclercq J., Mélon J., Lecomte J., 1973: Quelques considérations sur les accidents de sensibilisation dus aux Hyménopteres. 8 pp.
50
2
HYM 2267
Leclercq J., Simon A., Verstraeten C., 1967: Coléoptéres et Hyménoptéres piégés par les pots de résine dans une pinéde des Landes. 4 pp.
50
2
NFG 59157
Leclercq J., Terzo M., 2006: Hyménopteres Crabroniens des Amériques du genre Enoplolindenius Rohwer, 1911 (Hymenoptera: Crabronidae: Crabronini). 57 pp. Notes fauniques de Gembloux 59(4): 157-213.
95
4
NFG 60089
Leclercq J., Terzo M., 2007: Crossocerus fabreorum sp. n., Hyménoptere Crabronien nouveau de Singapour (Hymenoptera: Crabronidae Crabronini). 4 pp. (in French). Notes fauniques de Gembloux 60(2): 89-92.
50
2
HYM 6648
Lecomte J., 1954: Essai d’une analyse causale du comportement agressif des ouvrieres d’Abeilles (Apis mellifica). 9 pp.
50
2
IKO 20125
Lee H. S., Paik J. C., 2003: Andrenidae (Hymenoptera, Apoidea) of Korea. 13 pp. [52869] Insecta Koreana 20(1): 125-137.
150
6
IKO 18325
Lee H. S., Woo K. S., 2001: A revision of the tribe Anthidiini (Hymenoptera, Megachilidae) in Korea. 9 pp. [51382] Insecta Koreana 18(4): 325-333.
95
4
IKO 20239
Lee J. W., Kim K. B., Choi J. K., Suh K. I., 2003: A review of the Korean Enicospilus genus group (Hymenoptera: Ichneumonidae: Ophioninae). 25 pp. [53276] Insecta Koreana 20(3-4): 239-263.
250
10
IKO 16197
Lee J.-W., Jung J.-Ch., 1999: Taxonomic review of the family Cimbicidae (Hymenoptera, Symphyta) from Korea. 27 pp. [51383] Insecta Koreana 16(2): 197-223.
250
10
HYM 7427
Leech H. B., 1947: Anthidiellum robertsoni and its nest (Hymenoptera: Megachilidae). 1 pp.
50
2
HYM 7428
Leech H. B., 1947: Chrysis smaragdicolor from the nest of Osmia longula (Hymenoptera: Chrysididae and Megachilidae). 1 pp.
50
2
HYM 2269
Leeuwen W. D. van, 1929: Einige Beobachtungen ueber das Zusammenleben von Camponotus quadriceps F. Smith mit dem Ameisenbaum Endospermum formicarum Becc. aus Neu-Guinea. 9 pp.
50
2
HYM 6649
Leeuwen W. M. D., 1955: Hoe men de oplossing van de Cynips kollari puzzle vond. 5 pp.
50
2
HYM 2270
Leeuwen W. M. D., Dekhuijzen-Maasland J. M., 1958: The bigamic generations of Andricus corruptrix Schlechtendal and Andricus lignicolus Hartig (Hymenoptera, Cynipidae) Part II. 11 pp.
50
2
HYM 5505
Leeuwen W. M., 1960: De in Nederland voorkomende door Hymenoptera gevormde gallen. 8 pp.
50
2
HYM 2271
Lefeber V., 1967: Kweek uit dood hout. 2 pp.
50
2
HYM 2275
Legner E. F., 1993: Theory for quantitative inheritance of behavior in a protelean parasitoid, Muscidifurax raptorellus (Hymenoptera: Pteromalidae). 12 pp.
50
2
BTE 14059
Lehmann W., 1964: Beiträge zur Verbreitung und Systematik von Halictus aeneidorsum Alfken (Hymenoptera: Apidae). Mit 1 Textfig. 3 pp. [HYM 2277] Beiträge zur Entomologie 14(1-2): 59-61.
50
2
52796
Lehrer A. Z., Lehrer M., 1965: Catalogue systematique, synonymique et zoogeographique de la super-famille Pompiloidea Berland 1951 (Hymenoptera) de la Roumanie. 40 pp.
395
16
HYM 4885
Lehrer A. Z., Scutaru M., 1963: Contribution a la connaissance des Sphecidae (Hym.) de Moldavie. 7 pp.
50
2
HYM 4886
Lehrer A. Z., Scutaru M., 1963: Eumenidae, Pompilidae et Ceropalidae de la Moldavie (Hymenoptera, Aculeata). 13 pp.
50
2
IJE 21051
Lehrer M., 1987: To be or not to be a colour-seeing bee. 26 pp. Israel Journal Ent. 21: 51-76.
150
6
HYM 4151
Leigh van Valen L., 1966: On discussing human races. 7 pp.
50
2
HYM 2280
Leininger H., 1922: Beitraege zur Kenntnis der badischen Insektenfauna. 18 pp.
50
2
HYM 2279
Leininger H., : Ein lateraler Zwitter von Odynerus reniformis Gmel. (Hym. Vespidae). 6 pp.
50
2
IMO 03320
Lelej A. S., 1975: Apteroginidy, Mirmozidy i Mutillidy (Hymenoptera: Apterogynidae, Myrmosidae, Mutillidae) Mongolii. 6 pp. [HYM 2283] Nasekomye Mongolii 3: 320-325.
50
2
IMO 04268
Lelej A. S., 1976: Dopolnenie k faune os-nemok (Hymenoptera: Mutillidae) Mongolii. 14 pp. [HYM 2284] Nasekomye Mongolii 4: 268-281.
50
2
IMO 05526
Lelej A. S., 1977: Novye dannye o faune os-nemok (Hymenoptera, Mutillidae) Mongolii. 11 pp. [HYM 2285] Nasekomye Mongolii 5: 526-536.
50
2
HYM 2288
Lelej A. S., 1986: Dorožnye osy rodov Dipogon Fox i Poecilaageniella Ishikawa (Hymenoptera, Pompilidae) Dalnego Vostoka. 10 pp.
50
2
EFA 1319
Lelej A. S., 1992: Two interesting species of velvet ants from China (Hymenoptera, Mutillidae). 8 pp. [M23] Entomofauna 13/19: 281-288.
50
2
BTE 09805
Lemarie J., 1959: Erster Beitrag zur Kenntnis der Parasiten von Exoteleia dodecella L. (Hymenoptera: Chalcidoidea; Proctotrupoidea; Bethyloidea). Mit 1 Textfig., 5 pp. [HYM2293] Beiträge zur Entomologie 9(7-8): 805-809.
50
2
IJE 06081
Lensky Y., Kalinsky B., 1971: Haemolymph proteins of the honey bee – III. Presence of drones‘ haemolymph proteins in the reproductive organs. 16 pp. Israel Journal Ent. 6(1): 81-96.
50
2
HYM 6651
Lenteren J. C., Bakker K., 1975: Discrimination between parasitised and unparasitised hosts in the parasitic wasp Pseudeucoila bochei: a matter of learning. 2 pp.
50
2
53649
Lenteren J. C., Bakker K., 1978: Behavioural aspects of the functional responses of a parasite (Pseudeucoila bochei Weld) to its host (Drosophila melanogaster). 21 pp.
150
6
HYM 2295
Lesne P., 1891: Braconide du genre Perilitus Nees. 4 pp.
50
2
HYM 2296
Leston D., 1971: The Ectatommini (Hymenoptera: Formicidae) of Ghana. 4 pp.
50
2
EFA 3505
Levchenko T. V., Tomkovich K. P., 2014: Contribution to the bee fauna (Hymenoptera: Apiformes) of the Khanty-Mansi Autonomous Region, Western Siberia, Russia. 16 pp. (in English). Entomofauna 35/5: 85-100.
150
6
53650
LeVeque N., 1928: Carpenter bees of the genus Mesotrichia obtained by the American Museum Congo Expedition, 1909 – 1915. 23 pp.
195
8
HYM 6652
Levin M. D., 1957: Artifical nesting burrows for Osmia lignaria Say. 2 pp.
50
2
HYM 2298
Lewis F. B., 1960: Factors Affecting Assessment of Parasitization by Apanteles fumiferanae Vier. and Glypta fumiferanae (Vier.) on Spruce Budworm Larvae. 11 pp.
50
2
HYM 2299
Lewis T., 1975: Colony size, density and distribution of the leaf-cutting ant, Acromyrmex octospinosus (Reich) in cultivated fields. 14 pp.
50
2
IKO 18335
Li C.-D., Byun B.-K., 2001: Genus Arrhenophagus Aurivillius (Hymenoptera, Encyrtidae) new to Korea. 4 pp. [HYM 2300] (in English). Insecta Koreana 18(4): 335-338.
50
2
IKO 18339
Li C.-D., Byun B.-K., Bae W.-I., 2001: Two species of Marietta Motschulsky (Hymenoptera, Aphelinidae) new to Korea. 6 pp. [HYM 2301] (in English). Insecta Koreana 18(4): 339-344.