Smolis A., Skarzynski D., 2009: Onychiurus szeptyckii (Collembola, Onychiuridae), a new species from Poland. 4 pp. Acta zoologica cracoviensia 52B(1-2): 17-20.

 Smolis A., Skarżyński D., 2005: Notes on Micranurida balta Fjellberg, 1998 (Collembola: Neanuridae), a springtail species new for the Polish fauna. 4 pp. Polskie Pismo Entomologiczne 74(1): 57-60.

 Smolis A., Skarżyński D., 2006: Rusekianna bescidica, a new species from Poland (Collembola: Symphypleona). 6 pp. Genus 17(3): 317-322.

 Smolis A., Skarżyński D., Pomorski R. J., 2004: A new species of the genus Lathriopyga Caroli, 1910 (Collembola: Neanuridae: Neanurinae) from Bulgaria. 6 pp. Polskie Pismo Entomologiczne 73: 155-160.

 Smolis A., Twardowski J., 2006: Notes on Pseudachorutes pratensis Rusek 1973 (Collembola: Neanuridae: Pseudachorutinae), a springtail species new for the Polish fauna. 4 pp. Polskie Pismo Entomologiczne 75(3): 343-346.

 Snodgrass R. E., 1954: Insect metamorphosis. 124 pp. 

 Snyder T. E., 1922: New termites from Hawaii, Central and South America, and the Antilles. 35 pp. 

 Snyder T. E., 1924: New termites and hitherto unknowm castes from the Canal Zone, Panama. 15 pp. 

 Snyder T. E., 1925: Descriptions of new species and hitherto unknown castes of termites from America and Hawaii. 45 pp. 

 Snyder T. E., 1926: Termites collected on the Mulford biological exploration to the Amazon Basin, 1921-1922. 79 pp. 

 Snyder T. E., 1933: New termites from India. 14 pp. 

 Snyder T. E., Popenoe E. P., 1932: The founding of new colonies by Reticulitermes flavipes Kollar. 6 pp. 

 Socha R., 1971: The Haemolymph and tissue proteins in relation to moulting and yolk formation in Dixippus morosus (Phasmoidea). 11 pp. Acta entomologica Bohemoslovaca 68: 289-299.

 Socha R., 1974: The action of juvenoids on metamorphosis, gonadal development and blood proteis pattern in Dixippus morosus (Phasmoidea). 10 pp. Acta entomologica Bohemoslovaca 71: 1-10.

 Socha R., Gelbič I., 1973: Stages in the differentiation of ovarian development in Dixippus morosus as revealed by the effects of juvenoids. 16 pp. Acta entomologica Bohemoslovaca 70: 303-312.

 Soldan S., Godunko R. J., 2006: Ecdyonurus silvaegabretae n. sp., a new representative of the E. helveticus species-group from the Šumava Mountains, Czech Republic (Ephemeroptera: Heptageniidae). 18 pp.  Genus 17(2): 159-176.

 Soldán T., 1977: Baetis baksan sp. n., a new species of mayfly (Ephemeroptera, Baetidae) from Central Caucasus. 4 pp. Acta entomologica Bohemoslovaca 74: 229-231.

 Soldán T., 1977: Three new species of mayflies (Ephemeroptera) from the mist oasis of Erkwit, Sudan. 6 pp. Acta entomologica Bohemoslovaca 74: 289-294.

 Soldán T., 1978: Ameletus asiaecentralis sp. n. from Uzbekistan, with notes on A. alexandrae (Ephemeroptera, Siphlonuridae). 6 pp. Acta entomologica Bohemoslovaca 75: 379-382.

 Soldán T., 1978: Mayflies (Ephemeroptera) new to the fauna of Czechoslovakia found in 1972 – 1977. 11 pp. Acta entomologica Bohemoslovaca 75: 319-329.

 Soldán T., 1979: A comparative study of spermatozoa of some Central European Ephemeroptera. 8 pp. Acta entomologica Bohemoslovaca 76: 223-230.

 Soldán T., 1979: Struktur und Funktion der Maxillarpalpen von Arthroplea congener (Ephemeroptera, Heptageniidae). 8 pp. Acta entomologica Bohemoslovaca 76: 300-307.

 Soldán T., 1979: The structure and development of the female internal reproductive system in six European species of Ephemeroptera. 21 pp. Acta entomologica Bohemoslovaca 76: 353-365.

 Soldán T., 1979: The structure and development of the male internal reproductive organs in six European species of Ephemeroptera. 19 pp. Acta entomologica Bohemoslovaca 76: 22-33.

 Soldán T., 1981: Comparative anatomy of the internal reproductive organs of mayflies. 118 pp. 

 Soldán T., 1981: Secondary sexual characters in mayfly larvae and their evolutionary significance (Ephemeroptera). 3 pp. Acta entomologica Bohemoslovaca 78: 140-142.

 Soldán T., 1982: Changes in eggs of Dixippus morosus (Dictyoptera, Phasmida) caused by a microsporidian infection of the ovaries. 9 pp. Acta entomologica Bohemoslovaca 79: 181-187.

 Soldán T., 1983: Two new species of Clypeocaenis (Ephemeroptera, Caenidae) with a description of adult stage and biology of the genus. 12 pp. Acta entomologica Bohemoslovaca 80: 196-205.

 Soldán T., 1986: A revision of the Caenidae with ocellar tubercles in the nymphal stage (Ephemeroptera). 74 pp. 

 Soldán T., 1987: Adaptation of the subimaginal life span of Cloeon (Epheroptera, Baetidae) in the arid areas of North Africa and the Canary Islands. 4 pp. Acta entomologica Bohemoslovaca 84: 62-65.

 Soldán T., Braasch D., 1984: Two new species of the genus Prosopistoma (Ephemeroptera, Prosopistomatidae) from Vietnam. 6 pp. Acta entomologica Bohemoslovaca 81: 370-376.

 Soldán T., Braasch D., 1986: Rhithrogeniella tonkinensis sp. n. (Ephemroptera, Heptageniidae) from Vietnam, with descriptions of the nymphal stages and biology of the genus. 11 pp. Acta entomologica Bohemoslovaca 83: 202-212.

 Soldán T., Braasch D., Muu L. T., 1987: Two new species of Centroptella (Ephemeroptera, Baetidae) from Vietnam, with a description of adult stages of the genus. 8 pp. Acta entomologica Bohemoslovaca 84: 342-349.

 Soldán T., Godunko R. J., 2006: Baetis atlanticus n. sp., a new species of the subgenus Rhodobaetis Jacob, 2003 from Madeira, Portugal (Ephemeroptera: Baetidae). 13 pp. Genus 17(1): 5-17.

 Soldán T., Godunko R. J., Thomas A. G. B., 2005: Baetis chelif n. sp., a new mayfly from Algeria with notes on B. sinespinosus Soldán & Thomas, 1983, n. stat. (Ephemeroptera: Baetidae). 11 pp. Genus 16(2): 155-165.

 Soldán T., Helešic J., 1999: Faunistic records from the Czech Republic – 80. Plecoptera: Leuctridae. 1 pp. [M53] Klapalekiana 35(1-2): 24.

 Soldán T., Landa V., 1977: Three new species of the genus Oligoneuriella (Ephemeroptera, Oligoneuriidae). 6 pp. Acta entomologica Bohemoslovaca 74: 10-15.

 Soldán T., Landa V., 1999: A key to the Central European species of the genus Rhithrogena (Ephemeroptera: Heptageniidae). 13 pp. [M50] Klapalekiana 35(1-2): 25-37.

 Soldán T., Thomas. A. G. B., 1985: Centoptilum dimorphicum sp. n., a new species of mayfly (Ephemeroptera, Baetidae) from Algeria. 7 pp. Acta entomologica Bohemoslovaca 82: 180-186.

 Solem J. O., 1972: The larva of Agraylea cognatella McLachlan (Trichoptera, Hydroptilidae). 3 pp. 

 Solem J. O., 1983: Larval and pupal descriptions of Asynarchus contumax McLachlan, 1880 and A. lapponicus Zetterstedt, 1840, with notes on bionomics in Centr. Norway (Trichoptera: Limnephilidae). 13 pp. 

 Solinas M., Bin F., 1964: Osservazioni sull’attivita degli insetti impollinatori del pero e del melo. 18 pp. 

 Solinas M., Bin F., 1965: Osservazioni sugli insetti impollinatori delle leguminose foraggere (Medicago sativa e Trifolium pratense) nella Pianura Padana. 32 pp. 

 Solnceva E. L., Bebenko A. B., Kuznecova N. A., Nadtočij S. E., Uvarov A. V., 1982: Kollemboly (Collembola) Moskovskoj oblasti. 11 pp. 

 Soltyk D., Pieronek B., Wandzik E., 1988: Z badan nad owadami minujacymi liscie topoli (Populus L.) w wybranch stanowiskach Krakowa. On the mining insects of poplar (Populus L.) from the selected places in Kraków. 7 pp. (in Polish). Polskie Pismo Entomologiczne 58: 703-709.

 Somadder K., Tandan B. K., 1975: Chewing lice from birds of the Oriental region. Part XI. Picicola roberti, sp. nov. (Phthiraptera: Ischnocera). 8 pp. 

 Somadder K., Tandan B. K., 1977: Degeerielline Ischnocera (Insecta: Phthiraptera) of the Pittidae (Aves). 26 pp. 

 Soria F. J., Villagran M., Cárdenas A. M., 1996: Distribución e incidencia de los principales perforadores de la encina en el Parque Natural de las Sierras Subbéticas (Córdoba, Espana). 11 pp. [INS 479] Zoologica Baetica 7: 33-43.

 Sosnina E. F., 1955: Novyj vid vši (Siphunculata) so slepušonki iz Tadžikistana. 6 pp. 

 Soto-Adames F. N., 2000: Phylogeny of Neotropical Lepidocyrtus (Collembola: Entomobryidae): first assessment of patterns of speciation in Puerto Rico ant phylogenetic relevance of some subgeneric diagnostic characters. 18 pp. Systematic Entomology 25(4): 485-502.