(1) Saaba arenosa - Sabulodes gnophosaria

(2) Sabulodes gonnapearia - Saemundssonia laticaudata

(3) Saemundssonia limosae - Sagra femorata

(4) Sagra ferox - Salamandra salamandra var. gallaica Seoane, 1884

(5) Salamandra sansaniensis - Salebria eomichla

(6) Salebria epithalassiella - Salmo bairdii

(7) Salmo balcanicus - Salomona conspersa

(8) Salomona coriacea - Salticus modicus

(9) Salticus mustilinus - Samia fusca

(10) Samia guerini - Sapayoa aenigma

(11) Saperda acuminata - Sapromyza americana

(12) Sapromyza amida - Sapromyza zlobini

(13) Sapromyzosoma armata - Sarcofahrtiopsis thyropteronthos

(14) Sarcoglanis simplex - Sarcophaga otiosa

(15) Sarcophaga ouchajosefi - Sardinella fijiense

(16) Sardinella fimbriata - Sarmatia antonia

(17) Sarmatia devia - Sarsia princeps

(18) Sarsia producta - Saturnia fulvescens

(19) Saturnia fusca - Satyrus monotona

(20) Satyrus montana - Saurita lacteipars

(21) Saurita ladan - Sayomyia hudsoni

(22) Sayomyia knabi - Scalmicauda oreas

(23) Scalmicauda orthogramma - Scaphiella ula

(24) Scaphiella weberi - Scaptia lasiophthalma

(25) Scaptia lata - Scarabaeus asceticus

(26) Scarabaeus asper - Scarnica albonotata

(27) Scarnica bicolor - Scathophaga mollis

(28) Scathophaga monticola - Scelio oedipodae

(29) Scelio opacus - Sceloporus spinosus horridus

(30) Sceloporus spinosus magister - Schajovskoya neuquenensis

(31) Schalidogonus howelli - Scherotheca targionii

(32) Scherotheca thomasi - Schistomeringos incerta

(33) Schistomeringos japonica - Schizocosa salara

(34) Schizocosa salsa - Schizophoria vulvaria

(35) Schizophoria with - Schizura pegasis

(36) Schizura riversii - Schuchertella subplana

(37) Schuchertella subvexa - Sciagraphia yavapai

(38) Sciaphila suplex - Sciara fuscipennis

(39) Sciara fuscipes - Scinax agilis

(40) Scinax albicans - Sciomyza glabricula

(41) Sciomyza goberti - Scirpophaga auristrigellus

(42) Scirpophaga aurivena - Sclerobaris cinnabarina

(43) Sclerobaris melanocephala - Scobinella prionota

(44) Scobinella reticulatoides - Scoloderus birabeni

(45) Scoloderus cordatus - Scolopterus aeneorufus

(46) Scolopterus aequus - Scolytus elongatus

(47) Scolytus ensifer - Scopaeus truncaticeps

(48) Scopaeus unifasciatus - Scopelus benoit

(49) Myctophum punctatum - Scopula consimilata

(50) Scopula contaminata - Scopula obliquiscripta

(51) Scopula obliquisigna - Scordonia ischna

(52) Scordonia lamae - Scotinotylus crinitis

(53) Scotinotylus dubiosus - Scotopteryx langi

(54) Scotopteryx lantoscana - Scrobipalpa brahmiella

(55) Scrobipalpa brandti - Scutalus chillu

(56) Scutalus costulatus - Scyliorhinus enniskilleni

(57) Scyliorhinus fernandezi - Scypha guadrangulata

(58) Scypha lingua - Scythris mesoplecta

(59) Scythris mesopora - Scytodes triangulifera

(60) Scytodes trifoliata - Sebecus icaeorhinus

(61) Sebekia benihana - Seladerma berani

(62) Seladerma bicolor - Selenophorus punctulatus

(63) Selenophorus pyritosus - Semaeopus ladrilla

(64) Semaeopus lienharti - Seminatrix pygaea

(65) Seminatrix pygaea cyclas - Semiothisa kanshireiensis

(66) Semiothisa kenteata - Semisulcospira decepiens

(67) Semisulcospira decipiens - Senostoma victoriae

(68) Senotainia aegyptiaca - Sepiola bursa

(69) Sepiola dispar - Sereda tautana

(70) Serendib suthepica - Sericochroa sericana

(71) Sericochroa serra - Seriola ligulata

(72) Seriola mazathana - Serraca punctinalis

(73) Serraca referendaria - Serrasalmus irritans

(74) Serrasalmus maculatus - Sertularia marginata

(75) Sertularia mayeri - Setaphis bulawayensis

(76) Setaphis calviniensis - Setomigma paraxantha

(77) Setomigma rufalis - Shipsa rotunda

(78) Shiracidia dilutata - Sibinia schneideri

(79) Sibinia scutellaris - Sicista pseudonapaea

(80) Sicista severtzovi - Sidusa albida

(81) Sidusa angulitarsis - Sigmatomera occulta

(82) Sigmatomera pictipennis - Sillago schomburgkii

(83) Sillago siboma - Silvius pertusa

(84) Silvius philipi - Simplicia floccosa

(85) Simplicia inarcualis - Simulium connae

(86) Simulium consimile - Simulium longirostre

(87) Simulium longistylatum - Simulium slossonae

(88) Simulium smarti - Singa eugeni

(89) Singa flava - Sinopoda microphthalma

(90) Sinopoda minschana - Sinumelon hortulana

(91) Sinumelon hullanum - Siphonaria lessonii

(92) Siphonaria leucopleura - Siphonostoma vaginiferum

(93) Siphonothinus argentinus - Sisyphus alveatus

(94) Sisyphus angulicollis - Sitona maculosus

(95) Sitona margaritosus - Sitticus nitidus

(96) Sitticus niveosignatus - Smeringochernes navigator

(97) Smeringochernes pauperculus - Smicronyx texana

(98) Smicronyx thoracatus - Smittina concinna concinna

(99) Smittina crassatina - Solariella rhyssa

(100) Solariella ronaldjansseni - Solenobia rupicolella

(101) Solenobia santicensis - Solenoptera cinnamipennis

(102) Solenoptera dominicensis - Somatidia albicoma

(103) Somatidia ampliata - Sonora semiannulta

(104) Sonora semiannulus - Sorex araneus silanus

(105) Sorex araneus tetragonurus - Sorubim elongatus

(106) Sorubim lima - Spaniocentra intermediata

(107) Spaniocentra isiospania - Sparisoma cyanolene

(108) Sparisoma axillare - Spathogyna fezi

(109) Spathomeles anaglyptus - Speocera bovenlanden

(110) Speocera caeca - Spermophorides gomerensis

(111) Spermophorides hermiguensis - Sphaeriodesmus iglesia

(112) Sphaeriodesmus isolatus - Sphaerodactylus pictus

(113) Sphaerodactylus pimienta - Sphaeropoeus exstinctus

(114) Sphaeropoeus extinctus - Sphalloplana percoeca

(115) Sphalloplana pricei - Sphenexia fusiformis

(116) Sphenia abscisa - Sphenophorus dehaanii

(117) Sphenophorus delumbatus - Spherillo panningi

(118) Spherillo parvus - Sphingonotus trinesiotis

(119) Sphingonotus tsinlingensis - Sphyrelata microspiloplaca

(120) Sphyrias lofuana - Spilogaster obsignata

(121) Spilogaster pamirensis - Spilornis cheela cheela

(122) Spilornis cheela davisoni - Spilosoma pseudosparsata

(123) Spilosoma pteridis - Spinicharybdis billingsi

(124) Spinicharybdis canteriata - Spiophanes urceolata

(125) Spiophanes viriosus - Spirobis venezuelensis

(126) Spirobolellus antipodum - Spirostreptus crassicornis

(127) Spirostreptus cristulatus - Spizella pusilla

(128) Spizella pusilla arenacea - Spongia adjimensis

(129) Spongia agaricina - Spratelloides bryoporus

(130) Spratelloides delicatula - Squalus semisagittatus

(131) Squalus serriculus - Stactobia nori

(132) Stactobia nybomi - Standfussia standfussi

(133) Standfussia tenella - Statherotis batrachodes

(134) Statherotis bicolorana - Stauraster billondensis

(135) Staurella camelliae - Stefaniella falcaris

(136) Stefaniella gigantea - Stegerhynchus angaciencis

(137) Stegerhynchus angaciensis - Steirodon flavolineatum

(138) Steirodon ganymedes - Stellifer naso

(139) Stellifer oscitans - Stenalia testacea

(140) Stenamblyphyllum dilutum - Stenhomalus bilocularis

(141) Stenhomalus cephalotes - Stenocercus ivitus

(142) Stenocercus juninensis - Stenoderma rufum anthonyi

(143) Stenoderma rufum darioi - Stenolechia kodamai

(144) Stenolechia lepidella - Stenoma hyalophanta

(145) Stenoma hydraena - Stenomimus rhyncoloides

(146) Stenomimus rufipes - Stenopogon cinerascens

(147) Stenopogon cinereus - Stenoptilia conicephala

(148) Stenoptilia convexa - Stenostoma tenuiculum

(149) Stenostomum acutatum - Stenotrema angellum

(150) Stenotrema barbatum - Stenus papagonis

(151) Stenus parallclopipedus - Stephanoderes subacuminatus

(152) Stephanoderes subagnatus - Stereocidaris indica

(153) Stereocidaris ingolfiana - Sternechus decemmaculatus

(154) Sternechus denudatus - Stesichora sphaeristis

(155) Stesichora titania - Stibochiona viridicans

(156) Stibococcus cerinus - Stictoleptura trisignata

(157) Stictoleptura ustulata - Stigmatrachelus isabellinus

(158) Stigmatrachelus lactarius - Stilbus pumilus

(159) Stilbus testaceus - Stiphodon alleni

(160) Stiphodon astilbos - Stolephorus scofieldi

(161) Stolephorus shantungensis - Stomoxys pungens

(162) Stomoxys pusilla - Strandesia reticulata

(163) Strandesia sexpunctata - Stratiomys melastoma

(164) Stratiomys minuta - Streptaxis contundata

(165) Streptaxis contusa - Striatopora tschichatschewi

(166) Striatopora uriumskiana - Strix nana

(167) Strix nebulosa - Strombus costatus spectabilis

(168) Strombus crenatus - Strongylogaster distans

(169) Strongylogaster empriaeformis - Strophitus undulatus tennesseensis

(170) Strophitus undulatus undulatus - Stroudia areata

(171) Stroudia areatoides - Struthiolarella ornata

(172) Struthiolarella patagoniensis - Sturnus malabaricus blythii

(173) Sturnus malabaricus malabaricus - Stylaster blatteus

(174) Stylaster bocki - Stylogaster amapaensis

(175) Stylogaster amazonasi - Stylurus occultus

(176) Stylurus oculatus - Subcancilla lopesi

(177) Subcancilla malleti - Succinea crocata

(178) Succinea cumingii - Suillia brunneipennis

(179) Suillia cepelaki - Sundasciurus hoogstraali

(180) Sundasciurus jentinki - Susicena heringi

(181) Susicena kamerunica - Sybra biflavoguttata

(182) Sybra biflavoguttulata - Sycacantha solemnis

(183) Sycacantha subiecta - Syllepte hypoxantha

(184) Syllepte idmonalis - Sylvia sarda sarda

(185) Sylvia sibilatrix - Symmachia asclepia

(186) Symmachia astiama - Sympetrum illotum subsp. gilvum

(187) Sympetrum illotum gilvum - Sympiesis ancylae

(188) Sympiesis angustipennis - Sympycnus alipes

(189) Sympycnus allectorius - Synagris negusi

(190) Synagris nematophorus - Synanthedon hector(Butler

(191) Synanthedon heinrichi - Synaptura cinerea

(192) Synaptura commersoniana - Synchus vivalis

(193) Syncirsodes lucida - Synechodus multinodosus

(194) Synechodus nitidus - Synete argentescens

(195) Synete boops - Syngrapha pyrenaica

(196) Syngrapha quadriplaga - Synoicum herdmani

(197) Synoicum hypurgon - Syntherata purpurascens

(198) Syntherata weymeri - Syrastrena sinensis

(199) Syrastrena sumatrana - Syrphoctonus signatus

(200) Syrphoctonus simulans - Syrphus pusillus

(201) Syrphus quadrifasciatus - Systates variegatus

(202) Systates vicinalis - Syzygops cinereus

(203) Syzygops coquereli - Sziladya griseus