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Home , Antenna (biology), Sminthuridae, Symphypleona

.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 .48

COLLEMBOLA: PICTORIAL KEY TO WORLD SUBFAMILIES Harold George Scott, Ph.D.

body elongate, s~gmented subglobose, fused

Suborder SYMPHYPLEONA I developed reduced antenna longer antenna shorter than than head (V PODURIDAE ENTOMOBRYIDAE .1-1______N_E_E-,LlNAE I furcula lot reaching furcula r1eaching IV subequal to ant IV shorter beyond collophore beyond collophore or longer than III than III

PODURlNAE I ant III 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 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::===:::::::/

SHINTIlURlNAE I ) ant IV ant IV not 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 _ I 0-1 tenent hairs several tenent hairs

I bothriotricha bothriotricha present absent claw tunicate claw not tunicate

Ketakatianna Pararrhopalites