Risler H., 1954: Die somatische Polyphoidie in der Entwicklung der Honigbiene (Apis mellifica L.) und die Wiederherstellung der Diploidie bei den Drohnen. 78 pp.
495
20
52700
Ritchie A. J., Shorthouse J. D., 1987: A review of the species of Synergus from Guatemala, with notes on Cynips guatemalensis Cameron (Hymenoptera: Cynipidae). 12 pp. Proc. Entomol. Soc. Wash. 89(2): 230-241.
150
6
HYM 3251
Ritsema C., 1872: Description of a new genus and two new exotic species of the family Larridae (Hymenopetra). 3 pp.
50
2
51934
Ritsema C., 1874: Aanteekeningen betreffende eene kleine collectie Hymenoptera van Neder-Guinea, en Beschrijving van de nieuwe soorten. 37 pp.
350
14
HYM 3252
Ritter G., 1866: Weiter Mittheilung über die Rapswespe. 6 pp.
50
2
HYM 6968
Ritter R., 1885: Biologische Mittheilungen. 4 pp.
50
2
53789
Rivers I., 1945: The wasp chlorion laeviventris as a natural control of the Mormon cricket (Sphecidae: Hymenoptera: Tettigonnidae, Orthoptera). 20 pp.
150
6
HYM 5681
Robbins J. C., 1927: A rare sawfly. Notes on the life-history and distribution of Pteronidea spiraeae, Zaddach (Hymenoptera, Tenthredinidae). 6 pp.
50
2
53790
Robertson H. G., Zachariades C., 1997: Revision of the Camponotus fulvopilosus (De Geer) species-group (Hymenoptera: Formicidae). 18 pp. African Entomology 5(1): 1-18.
195
8
ZME 34125
Roch F., 1955: Die Terediniden ost – und westindiens der holländischen Museums-Sammlungen zu Amsterdam und Leiden. 27 pp. [53147] Zoologische Mededelingen 34(8): 125-151.
195
8
53148
Roch G. F., 1961: Die Terediniden der Sunda-Inseln und Neu-Guineas. 42 pp.
395
16
HYM 3284
Rochaix B., 1954: Symphyles des Dolomites. 8 pp.
50
2
HYM 4946
Rodeck H. G., 1931: Rocky mountain bees. IV. 11 pp.
50
2
HYM 3253
Rodeck H. G., 1934: Records of American Bembicidae. 2 pp.
50
2
HYM 7438
Rodeck H. G., 1943: Antennal anomaly in Nomada vicina Cresson (Hym.: Apoidea). 8 pp.
50
2
HYM 3254
Roeder V., 1886: Nachschrift zu den in den Entomolog. Nachrichten Jahrg. XII (1886) Nr. 9, Seite 137-140. 1 pp.
50
2
HYM 3255
Roeder V., 1894: Genus Caenophanes Lw. 2 pp.
50
2
HYM 3256
Roepke W., 1916: Eine neue Dryinide aus Java (Phanerodryinus javanus n. g., n. sp.). 6 pp.
50
2
HYM 5683
Roepke W., 1916: Scelio javanica n. sp. Rpke. (Hym.: Proctotrypidae). 7 pp.
50
2
HYM 3257
Roepke W., 1916: Über den Hoehenflug der Mannchen von Polistes diabolicus Sauss. 5 pp.
50
2
HYM 3258
Roepke W., 1919: Some additional remarks concerning Mr. Girault’s descriptions of new Javanese chalcid flies. 1 pp.
50
2
HYM 3259
Roepke W., 1919: Zur lebensweise einiger Sozialen faltenwespen auf Java. b) Polistes javanicus Cam. 9 pp.
50
2
51936
Roepke W., 1930: Beobachtungen an Indischen Honigbienen, insbesondere an Apis dorsata F. 26 pp.
195
8
HYM 3260
Roepke W., 1930: Ueber einen merkwürdigen Fall von „Myrmekophilie“, bei einer Ameise (Cladomyrma sp.) auf Sumatra beobachtet. 3 pp.
50
2
51937
Roesch G. A., 1927: Über die Bautaetigkeit im Bienenvolk und das alter der Baubienen. Weiterer Beitrag zur Frage nach der Arbeitsteilung in Bienenstaat. 35 pp.
295
12
HYM 3263
Rogenhofer A., Torre K. W. r. D., 1881: Die Hymenopteren ind I. A. Scopoli‘s Entomologia Carniolica und auf den dazugehoerigen Tafeln. 12 pp.
50
2
HYM 3264
Roger J., 1862: Beitraege zur Kenntnis der Ameisen-fauna der Mittelmeerlaender. 8 pp.
50
2
54026
Rohe W., Rupprecht R., 2001: Klopfen und Kratzen als Alarmsignale bei westmalayischen Drüsenameisen (Hymenoptera: Formicidae: Dolichoderinae). 16 pp.(in English). Entomol Gener 25(2): 81-96.
95
4
51940
Rohwer S. A., 1911: Descriptions of new species of wasps with notes on described species. 37 pp. Proceedings U.S. National Museum Vol. 40, No. 1837: 551-587.
350
14
51941
Rohwer S. A., 1911: Japanese sawflies in the collection of the United States National Museum. 22 pp.
195
8
HYM 3268
Rohwer S. A., 1911: On a collection of Tenthredinoidea from eastern Canada. 13 pp.
50
2
51942
Rohwer S. A., 1911: On some Hymenopterous insects from the Island of Formosa. 9 pp.
95
4
HYM 5684
Rohwer S. A., 1912: Sawflies from Panama, with descriptions of new genera and species. 6 pp.
50
2
HYM 3269
Rohwer S. A., 1913: Descriptions of thirteen new species of parasitic Hymenoptera and a table to certain species of the genus Ecphylus. 8 pp.
50
2
51946
Rohwer S. A., 1913: New parasitic Hymenoptera Belonging to the tribe Xoridini. 9 pp.
95
4
51947
Rohwer S. A., 1913: Notes on sawflies, with descriptions of new species. 47 pp.
450
18
HYM 3270
Rohwer S. A., 1914: Vespoid and Sphecoid Hymenoptera collected in Guatemala by W. P. Cockerell. 11 pp.
50
2
HYM 3271
Rohwer S. A., 1915: Synopsis of the species of sawflies belonging to the genus Dimorphopteryx. 4 pp.
50
2
51950
Rohwer S. A., 1916: Descriptions of new species of Hymenoptera. 45 pp.
450
18
51951
Rohwer S. A., 1917: A report on a collection of Hymenoptera (mostly from California) made by W. M. Giffard. Pl. 33, 22 pp.
195
8
51953
Rohwer S. A., 1917: Descriptions of thirty one new species of Hymenoptera. 26 pp.
250
10
HYM 3275
Rohwer S. A., 1919: Descriptions and notes on some Ichenumon – flies from Java. 8 pp.
50
2
51954
Rohwer S. A., 1920: Descriptions of twenty-six new species of North American Hymenoptera. 22 pp.
195
8
HYM 3277
Rohwer S. A., 1920: Three new species of Indian Drynnid parasites of rice leaf-hoppers. 4 pp.
50
2
52819
Rohwer S. A., 1921: Descriptions of twenty-five new species of North American Hymenoptera. 23 pp.
195
8
HYM 3279
Rohwer S. A., 1922: Notes and descriptions of neotropical sawflies of the subfamily Perreyiinae. 7 pp.
50
2
51955
Rohwer S. A., 1922: Notes on sawflies, with descriptions of new genera and species. 27 pp.
250
10
HYM 3280
Rohwer S. A., 1922: Some notes on wasps of the subfamily Nyssoninae, with descriptions of new species. 11 pp.
50
2
HYM 4947
Rohwer S. A., 1923: New Hymenoptera from the Malayan region. 9 pp.
50
2
HYM 3281
Rohwer S. A., 1925: Sawflies from the Maritime Province of Siberia. 12 pp.