Richter W., : Tropisches Blühen. Das kleine Farbbildbuch 7. 40 pp.
95
4
9685
Ricken A., 1915: Die Blätterpilze (Agaricaceae) Deutschlands und der angrenzenden Länder, besonders Oesterreichs und der Schweiz. Mit 112 kolorierten Tafeln nach naturtreuen Vorlagen des Verfassers. 480 pp. Nur Textband ohne Tafeln.
990
40
PPE 39635
Riedl T., 1969: Matériaux pour la connaissance des Momphidae paléarctiques. Partie IX. Revue des Momphidae européennes, y compris quelques especes d’Afrique du Nord et du Proche-Orient. 284 pp. Polskie Pismo Entomologiczne 39(4):635-923
990
40
KOP 132
Riedl T., 1984: Lepidoptera: Stathmopodidae, Batrachedridae, Blastodacnidae, Momphidae, Cosmopterigidae, Crysopeleiidae. Klucze owadów Polski XXVII(32). 106 pp. Discount 50%!
248
10
ZIP 15
Øíha J., Šubík R., 1989: Kaktusy v pøírodì. Živou pøírodou. 14 èb. obr., 81 bar. fot., 136 pp. Discount 50%!
25
1
8468
Rippel-Baldes A., 1947: Grundriss der Mikrobiologie. Mit 143 Abbildungen. 378 pp. Hard cover. Discount 20%!
76
3.20
8709
Robiller F., 1987: Tiere der Nacht. 240 pp. Discount 20%!
156
6.40
MMT 03
Roháèek J., Marshall S. A., 1985: The genus Trachyopella Duda (Diptera, Sphaeroceridae) of the Holarctic Region. 109 pp. Discount 50%!
248
10
9621
Röhne E., nach 1909: Bilder-Atlas des Pflanzenreichs. 124 Farbendrucktafeln, 183 pp. Seiten 1-144 beschedigt von Wasser, Farbtafeln 122-125 mit Flecken.
495
20
9620
Röhne E., nach 1909: Bilder-Atlas des Pflanzenreichs. 124 Farbendrucktafeln, 183 pp. Titelseite beschedigt.
990
40
KOP 22
Romaniszyn W., 1958: Diptera: Tendipedidae – larvae. Klucze owadów Polski XXVIII(14a). 137 pp. Discount 30%!
413
16.80
WIT 05
Ronkay G., Ronkay L., Gyulai P., 2011: Cuculliinae II and Psaphidinae. The Witt Catalogue. A taxonomic Atlas of the Eurasian and North African Noctuoidea. 380 pp.
3290
132
WIT 07
Ronkay L., Ronkay G., Gyulai P., Varga Z., 2014: Erebidae I. The Witt Catalogue. A taxonomic Atlas of the Eurasian and North African Noctuoidea. 281 pp.
3290
132
8511
Rose A. H., Lindquist O. H., 1973: Insects of eastern pines. 127 pp.
150
6
8551
Röseler P., Lamprecht H., 1919: Leitfaden für biologische Übungen. Zoologischer Teil. Mit 155 Textfiguren. 151 pp. Discount 20%!
120
4.80
8177
Rosický B., Daniel M., (eds.), 1989: Lékaøská entomologie a životní prostøedí. 437 pp. Discount 20%!
236
9.60
7578
Roth D., 2003: Die Blumenbücher des Hans Simon Holtzbecker und Hamburgs Lustgärten. Discount 50%!
695
28
224
Roubal J., 1941: Katalog Coleopter Slovenska a Podkarpatské Rusi, 3. díl. 362 pp. Soukromá vazba. Discount 20%!
396
16
877
Roux P., Lassalle B., Dubault G., 2016: Les Trigonotomi. Révision. 569 pp.
3390
136
KFP 15
Rozanska Z., Zmudzinski L., Wiktor J., Wiktorova K., 1970: Chaetognatha, Echinodermata, Ascidia, Appendicularia. Katalog fauny Polski XXXVII(2). 26 pp. Discount 50%!
98
4
6150
Rozkošný R., Vaòhara J., (eds.), 1995: Terrestrial Invertebrates of the Pálava Biosphere Reserve of UNESCO. Vol. 1. Lumbricidae, Gastropoda, Araneida, Pseudoscorpionida, Opilionida, Acarina, Oniscidea, Diplopoda, Chilopoda, Protura, Campodeina, Japygina, Collembola, Archeognatha, Blattodea, Mantodea, Ensifera, Caelifera, Dermaptera, Psocoptera, Thysanoptera, Heteroptera, Auchenorrhyncha, Sternorrhyncha. 208 pp. Discount 50%!
248
10
6151
Rozkošný R., Vaòhara J., (eds.), 1996: Terrestrial Invertebrates of the Pálava Biosphere Reserve of UNESCO. Vol. 2. Raphidioptera, Planipennia, Mecoptera, Lepidoptera, Diptera, Hymenoptera, Coleoptera 1 (Carabidae - Staphylinoidea part). 200 pp. Discount 50%!
248
10
6152
Rozkošný R., Vaòhara J., (eds.), 1996: Terrestrial Invertebrates of the Pálava Biosphere Reserve of UNESCO. Vol. 3. Coleoptera 2, Strepsiptera. 222 pp. [M48] Discount 20%!
396
16
8326
Rozman K. S., 1977: Biostratigraphy and zoogeography of Upper Ordovican of North Asia and North America. 171 pp. Discount 20%!
396
16
8178
Rubtsov I. A., 1954: Vrediteli citrusovych i ich estestvennye vragi. 260 pp. Discount 20%!
76
3.20
FRU 064
Rubtsov I. A., 1956: Diptera: Simuliidae. Fauna SSSR. 860 pp. [B24] Discount 50%!
845
34
ORU 077
Rubtsov I. A., 1962: Kratkij opredelitel krovososušèich mošek (Diptera: Simuliidae) fauny SSSR. [Guide to the fauna of the UdSSR]. 228 pp. (in Russian). Discount 50%!
248
10
FHU 158
Rücker W. H., 1983: Coleoptera: Diversicornia VI., Clavicornia VII. Fauna Hungariae. 68 pp. Discount 50%!
148
6
MSC 072
Ruette R., 1970: A catalogue of types of Coleoptera in the Canadian National collection of insects. 134 pp. Memoirs of the Entomological Society of Canada 72: 1-134.
690
28
BTW 061
Rumbucher K., Knötgen B. von, 1999: Papilionidae III. Troides I [aeacus species group]. Bauer E. & Frankenbach T., (eds.): Butterflies of the World. Part 6. 32 plates + 2 pp. (in English).
625
25
BTW 062
Rumbucher K., Knötgen B. von, 1999: Papilionidae III. Troides I [aeacus species group]. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 6. 32 Tafeln + 2 pp. (in German).
625
25
BTW 071
Rumbucher K., Knötgen B. von, 1999: Papilionidae IV. Troides II [amphrysus species group]. Bauer E. & Frankenbach T., (eds.): Butterflies of the World. Part 7. 40 plates + 3 pp. (in English).
750
30
BTW 072
Rumbucher K., Knötgen B. von, 1999: Papilionidae IV. Troides II. [amphrysus species group]. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 7. 40 Tafeln + 3 pp. (in German).
750
30
BTW 191
Rumbucher K., Schäffler O., 2004: Papilionidae X. Troides III. Bauer E. & Frankenbach T., (eds.): Butterflies of the World. Part 19. 22 plates + 2 pp. (in English).
475
19
BTW 192
Rumbucher K., Schäffler O., 2004: Papilionidae X. Troides III. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 19. 22 Tafeln + 2 pp. (in German).
465
20
BTW 211
Rumbucher K., Schäffler O., 2005: Papilionidae XI. Troides IV. Bauer E. & Frankenbach T., ((eds.): Butterflies of the World. Part 21. 56 plates + 8 pp. (in English).
1050
42
BTW 212
Rumbucher K., Schäffler O., 2005: Papilionidae XI. Troides IV. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 21. 56 Tafeln + 8 pp. (in German).
1050
42
8327
Rumyantsev P. D., 1959: Biologiya vreditelej chlebnych zapasov. 293 pp. Discount 20%!
76
3.20
8328
Ruttner F., 1952: Grundriss der Limnologie (hydrobiologie des Süsswassers). 232 pp. Discount 20%!
236
9.60
8179
Safír M., 1978: Hmyz je docela jiný. 168 pp. Discount 20%!
76
3.20
FOR 3
Sakai S., (ed.), 1999: Forficula, vol. 3. A basic survey for integrated taxonomy of the Dermaptera of the World. 171 pp.
495
20
FOR 4
Sakai S., (ed.), 2000: Forficula, vol. 4. A basic survey for integrated taxonomy of the Dermaptera of the World. 297 pp.
495
20
6071
Sakalian V., 1997: Endemic and relict insects in the Pirin National Park, Bulgaria. 96 pp.
590
24
8469
Salzmann R., Keller E. R., 1969: Krankheiten und Schädlinge der Kartoffel. 150 pp. Discount 20%!
76
3.20
354
Sama G., 2002: Atlas of the Cerambycidae of Europe and Mediterranean area. Part 1. Northern and Central Europe. 36 colour plates with 729 photographs, 173 pp. (in English). New Edition!
3490
140
19953
Sama G., 2010: Catalogue commenté des Cerambycidae du Liban. 4 colour plates, 71 pp. Quad. Studi Nat. Romagna 30: 131-201.
395
16
356
Sama G., 2023: Atlas of the Cerambycidae of Europe and Mediterranean area. Vol. 2. Northern Africa from Morocco to Egypt and Atlantic Isles (Canary Islands, Madeira, Azores and close small isles.(In English). (29 color tables) 435 pp. Natura Edizioni Scientifiche
3290
132
9624
Saunders E., 1876: Synopsis of British Hemiptera-Heteroptera. 1 plate, 539 pp. Discount 50%!
495
20
FLR 12
Savulescu, 1972: Graminales, Palmales. Flora Romania 12. 810 pp.
790
32
7599
Savulescu, 1972: Graminales, Palmales. Flora Romania 12. 810 pp.
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Ronkay G., Ronkay L., Gyulai P., 2011: Cuculliinae II and Psaphidinae. The Witt Catalogue. A taxonomic Atlas of the Eurasian and North African Noctuoidea. 380 pp. 
Ronkay L., Ronkay G., Gyulai P., Varga Z., 2014: Erebidae I. The Witt Catalogue. A taxonomic Atlas of the Eurasian and North African Noctuoidea. 281 pp. 
Roux P., Lassalle B., Dubault G., 2016: Les Trigonotomi. Révision. 569 pp. 
Rumbucher K., Knötgen B. von, 1999: Papilionidae III. Troides I [aeacus species group]. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 6. 32 Tafeln + 2 pp. (in German). 
Rumbucher K., Knötgen B. von, 1999: Papilionidae IV. Troides II. [amphrysus species group]. Bauer E. & Frankenbach T., (eds.): Schmetterlinge der Erde. Teil 7. 40 Tafeln + 3 pp. (in German). 
Sama G., 2002: Atlas of the Cerambycidae of Europe and Mediterranean area. Part 1. Northern and Central Europe. 36 colour plates with 729 photographs, 173 pp. (in English). New Edition! 
Sama G., 2023: Atlas of the Cerambycidae of Europe and Mediterranean area. Vol. 2. Northern Africa from Morocco to Egypt and Atlantic Isles (Canary Islands, Madeira, Azores and close small isles.(In English). (29 color tables) 435 pp. Natura Edizioni Scientifiche