.46 COLLEMBOLA: PICTORIAL KEY TO COMMON DOMESTIC SPECIES Harold George Scott, and Che ster J. Stojanovich I I prothorax well developed prothorax reduced eyes absent eyes present abd IV long abd IV short without anal spines with ana~ spines anus v!ntral anus terminal &'.dJ] Onychiurus Onychiurus IsotOlllodes Po1somia I'roisotOlll& fimetarius armatus teeis guadriocu1ata frisoni unguic:u1us present unguicu1us absent sc:a1es present sc:a1es sent body marbled body not marbled Hypogastrura Hypogastrura Hypogastrura manubrialis armata pseudar.ata I I i dens with ventral sc:a1es dens without- ventral sc:a1es antenna antenna 6·segmented 4-segmented Orc:bes.lla alboaa Lepidoc:yrtus c:urvic:011is !!!!. platani fora alnsIr.l , I I body not striped ao.e body aegmenta striped all body segmenta atriped EntOlllObrya griseo1ivata IDtOlllObrya atroc:inc:ta IntOlllObrya nivalis 47. COLLEMBOLA DIAGRAMS Harold George Scott ocelli, tenent haic_ , , , unguiculus __ _ , , " unguis_ -­ " "- tibiotarsus",- ___ _ "­ " ..... oce lli :- -- thorax II -- _abdomen collophore ........... tenaculum_ - -­ --- manubrium_ -------- , , ,furcula dens__ / -------- mucro___ ----------- ­ SURORDER ARTHROPLEONA mandible .... ~.antenna .... .... , --- ...... .... ..... ..... ...ocelli " " ,- " ........ ,- " " collophore, ,1# / I I I tenaculum____ _ "anal papilla_ manubrium_ '" ......... -- --- '" " dens_________ _ ..... , ...... , I ..... I ...... I mucro_ --------- ­ ---- ___ - ~furcl1la tibiotarsus SURORDER SYMPHYPLEONA .48 COLLEMBOLA: PICTORIAL KEY TO WORLD SUBFAMILIES Harold George Scott, Ph.D. body elongate, s~gmented subglobose, fused Suborder SYMPHYPLEONA SMINTHURIDAE I developed reduced antenna longer antenna shorter than head than head (V PODURIDAE ENTOMOBRYIDAE .1-1________N_E_E-,LlNAE I furcula lot reaching furcula r1eaching ant IV subequal to ant IV shorter beyond collophore beyond collophore or longer than III than III PODURlNAE DICYRTOMINAE I ant III sense organ ant III sense organ thoracic sutures thoracic sutures with rods and cones with rods only indefinite evident eyes absent eyes usually present collophore warty collophore smooth I I I mandible with mandible without molar surface molar surface ~ SMINTHURINAE SMINTHURIDlNAE abd IV not twice abd IV at least III (or terminal twice III ~0:t!-1I segmen ts fused) HYPOGASTRURlNAE NEANURINAE I ant III and IV subsegmented ant III and IV not ~'!iI"i!II"!iilji"'Ii!i"""''i ~ TClfOCERlNAE ISOTOMlNAE ENTOMOBRYINAE 49. COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENERA Harold George Scott. Ph.D. SUBFAMILIES PODURINAE, HYPOGASTRURINAE, AND ONYCHIURINAE ,;)1 PODURlNAE HYPOGASTRURlNAE I I GZ~ __ postantenna1 organ eyes present eyes absent ~"~-- - __postantennal organ.... " Podura aquatica Linnaeus only species in subfamily ONYCHIURINAE postantennal postantennal tubercles 4-12 tubercles I unguiculus we 11 unguiculus reduced developed or absent Willemia Stachiomella Onychiurus postantennal postantennal organ present organ absent I body slender body stout Xenylla I postantennal postantennal tubercles 4-8 tubercles I )~'-~'~>'.. " > ( )) r f , r r , r " rr '\ _...__ ~-:."'\... '... r Tullbt:rgia I I eyes 2 and 2 eyes 8 and 8 anal spines present anal spines absent furcula absent furcula present Mesachorutes Hypogastrura Know 1tone 11a .50 COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENERA Harold George Scott. Ph.D. SUBFAMILY NEANURINAE abd VI large. bilobed abd VI small, rounded segmental tubercles nt segmental tubercles absent NEANURINI PSEUDACHORUTINI I I segmental segmental anal spines present anal spines absent tubercles large tuberc les small furcula present fu rcula absen t Neanura Neanurodes i anal spines 2 anal spines 3·5 anal spines 8 maxilla untoothed maxilla toothed Xenyllodes Friesea Prospinanura eyes 5 and 5 eyes 6 and 6 eyes 8 and 8 Microgastrura I I postantennal postantennal with buccal cone without buccal cone tubercles 8 tubercles 4-5 Logacanura Odontella Brachystomella Pseudachorutes 51. COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENERA Harold George Scott, Ph.D. SUBFAMILY ISOTOMINAE - Part A I I anal... spines 4 anal spines--() 8 anal spines 0-2 Weberacantha I I furcula short furcula long furcula absent furcula present QI[ , Tetracanthella ~.Spinisotoma Anurophorus I fringed bothriotricha present fringed bothriotricha absent ~--- t ge i;' • abd V and VI abd V and VI anal spines 0 anal spines 2 ankylosed not ankylosed unguiculus unguiculus present absent Archisotoma mucro with 3-4 teeth mucro with 5 teeth Biacanthella postantennal organ postantennal organ present and eyes absent eyes present or absent V ~ Isotomurus Axelsonia Folsomina I see part B .52 COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENERA SUBFAMILY ISOTOMINAE - Part B continued from part A I I anus ventral anus terminal I I al.>d suorter manubrium with manubrium abd shorter hooks without hooks than III Isotomodes Folsomia I I mucro.. with 0-3 teeth mucro with 4 teeth mucro with 2 teeth mucro with 3-4 teeth ~~ ~ Proisotoma Metisotoma eyes 8 and 8 eyes 2 and 2 eyes absent to 4 and 4 Folsomides Micrisotoma body segments unguis tunicate unguis not tunicate bulging .. Guthriella Isotomina Agrenia I with dental spines without dental spines mucro with 3 teeth .. mucro with 4 teeth ~~~~~ ~.;;;; ~~~ Semicerura Tomocerura Isotoma 5.3. COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENER.A Harold George Scott, Ph.D. SUBFAMILIES TOMOCERINAE AND ENTOMOBRYINAE TOMOCERINAE ENT(!{OBRYINAE postantennal organ organ dentes with large dentes without large present fringed scales fringed scales Tomolonus Tomocerus Cyphoderus j I [ I ant 4-segxnented ant 4-segmented ant 4-segmented ant 5-segmented ant 6-segmented 4th seg annulate 4th seg annulate seg not annulate dark eyepatch no dark eyepatch Troglosinella Heteromurus Orchesella I I I I scales present scales present scales present scales absent scales absent mucro l-toothed mucro 2-toothed mucro O-toothed mucro without mucro with basal spine basal spine Drepanocyrtus I j dens with ventral dens without ventral dens with spines dens without spines scales ~ ~--==:::jl:A:I!JAt,a?: ~-----*--==- ~ Sira Homidia I --I j eyes 8 and 8 eyes 5 and 5 ant II longer ant II not or fewer than IV longer than IV Lepidocyrtus Pseudosinella Isotobryoides I I I eyes 4 and 4 ot' eyes 8 and 8 eyes 8 and 8 eyes 8 and 8; no tibio­ fewer or absent tibiotarsal patch no tibiotarsal patch tarsal patch; mucro mucro with anteapical without anteapical tooth .. tooth ~~~ ~ -:=-;?5~ Sinella Entomobrya Drepanur& .54 COLLEMBOLA: PICTORIAL KEY TO NEARCTIC GENERA Harold George Scott, Ph.D. FAMILY SMINTHURIDAE NEELlNAE DICYRTa-tlNAE I i I i I ant III longer ant III not ant III and claw with claw without than IV longer than IV IV fused tunica tunica Neelides Kegalothorax SHINTHURIDINAE Dicyrtomina I I I abd V and VI abd V and VI ant III and IV ant III or IV or ankylosed separated not subsegmented ... bo,' 'Ub"gme~ 0::===:::::::/ Dicyrtoma Ptenothrix SHINTIlURlNAE I ) ant IV ant IV not Sminthurides subsegmented subsegmented ant IV not ant IV subsegmented subsegmented i ant III with -ant III without strong setae strong setae I tenent hairs absent tenent hairs present _ Sminthurus I 0-1 tenent hairs several tenent hairs I bothriotricha bothriotricha present absent claw tunicate claw not tunicate Ketakatianna Sphyrotheca Pararrhopalites .