| Checklist of the Collembola: Key to the species of Protaphorura octopunctata group |
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This key is still under construction. Note that missing figures will be provided as soon as possible. Currently, the key is in the feasibility study phase to find out how to integrate in the checklist in a modular way a key that has been generated with DELTA.
Ighor J. Kaprus,
State Natural History Museum of NAS of Ukraine, UA-79008, L'viv, Ukraine
Romuald J. Pomorski,
Zoological Institute, Wroclaw University, PL-50-335 Wroclaw, Poland
Frans Janssens,
Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium
1(0). Subcoxae1 of i, ii and iii pair of legs with pseudocelli.... 2
Subcoxae1 of i, ii and iii pair of legs without pseudocelli...
........................................................ 23
2(1). Subcoxae1 of i, ii, and iii pair of legs with 1, 0, 00
pseudocelli respectively.................................. 3
Subcoxae1 of i, ii, and iii pair of legs with 1, 1, 10
pseudocelli respectively.................................. 4
3(2). Claws always with strong inner denticle; dorsal pseudocellar
formula 43/022/33342.............................. mongolica
Claws without or rarely with very small denticle; dorsal
pseudocellar formula 43/022/33343................... sakatoi
4(2). Fifth abdominal tergum with chaetae s'; head ventrally with 2
+ 2 pseudocelli; second and third thoracic tergum with
variable number of pseudocelli: 2-3, 2-3 respectively..... 5
Fifth abdominal tergum without chaetae s'; head ventrally with
1 + 1 pseudocelli; second and third thoracic tergum with
stable number of pseudocelli.............................. 6
5(4). Claws with denticle; fifth abdominal tergum with chaetae s';
head ventrally with 1 + 1 pseudocellus; pseudocellar formula
dorsally: 4[5-6]4/03[2]3[2]/4[3]4[3]4[3-5]5[6]4[3]; tip of
antenna without cauliflower like papilla............. elenae
Claws without denticle; fifth abdominal tergum without chaetae
s'; head ventrally with 2 + 2 pseudocelli; pseudocellar
formula dorsally: 43/02[3]3[2]/3335[4-6]3[4]; tip of antenna
with cauliflower like papilla........................ merita
6(4). Second thoracic tergum with 2 + 2 pseudocelli............... 7
Second thoracic tergum with 3 + 3 pseudocelli.............. 21
7(6). Third thoracic tergum with 2 + 2 pseudocelli................ 8
Third thoracic tergum with 3 + 3 pseudocelli............... 18
8(7). Abdominal terga i-iv with 1 + 1 pseudocelli respectively......
................................................ discrepans
Abdominal terga i-iv with more than 1 + 1 pseudocelli....... 9
9(8). Fourth abdominal tergum with anterolateral pseudocelli;
abdominal terga i-v with variable number of pseudocelli.. 10
Fourth abdominal tergum without anterolateral pseudocelli;
abdominal terga i-v with 3 + 3 pseudocelli respectively.. 16
10(9). Sensory rods of third antennal segment sense organ are higher
than accompanying papillae, the first one is situated at
external surface of the first internal papilla, the second
one between third and fourth papillae (fig.33)........ nutak
Sensory rods of third antennal segment sense organ are shorter
than accompanying papillae, typically arranged and set close
together behind papillae in the middle part of the organ. 11
11(10). Males with ventral organ................................... 12
Males without ventral organ................................ 13
12(11). Dorsal pseudocellar formula 43/022/3334[3]3; males ventral
organ is located between ii and iii abdominal sterna........
................................................. ianstachi
Dorsal pseudocellar formula 44[3]/022/3335[4-6]3; males
ventral organ is located between iii and iv abdominal
sterna............................................ eichhorni
13(11). Fourth abdominal tergum with 4 + 4 pseudocelli............. 14
Fourth abdominal tergum with 5 + 5 pseudocelli............. 15
14(13). Dorsal pseudocellar formula 43/022/33342; on fifth abdominal
tergum ratio m/s 1.4-1.6l; abdominal sterna iii-iv without
parapseudocelli................................ licheniphila
Dorsal pseudocellar formula 43/022/33343; on fifth abdominal
tergum ratio m/s 2.6-3.0; abdominal sterna iii-iv with
parapseudocelli............................... tetragrammata
15(13). Dorsal pseudocellar formula 43/022/33353; claws with denticle.
.............................................. valsainensis
Dorsal pseudocellar formula 43/022/46655; claws without
denticle......................................... asensitiva
16(9). Head with 3 + 3 posterior pseudocelli; claws with denticle. 17
Head with 4 + 4 posterior pseudocelli; claws without denticle.
........................................... suboctopunctata
17(16). Fifth abdominal tergumi usually with two medial chaetae;
abdominal sterna ii-iv with 1 + 1 parapseudocelli; ventral
tube with 13-19 + 13-19 chaetae.............. quadriocellata
Fifth abdominal tergumi with one medial chaeta; abdominal
sterna ii-iv without parapseudocelli; ventral tube with 9 +
9 chaetae......................................... saltuaria
18(7). Head with 3 + 3 posterior pseudocelli; postantennal sense
organ consists of 18-30 vesicles......................... 19
Head with 4 + 4 posterior pseudocelli; postantennal sense
organ consists of 34-40 vesicles......................... 20
19(18). Dorsal pseudocellar formula 43/023/33342; postantennal sense
organ consists of 18-22 vesicles; claws with denticle.......
.............................................. nazarovensis
Dorsal pseudocellar formula 43/023/4[3]4[3]4[3]53;
postantennal sense organ consists of 26-30 vesicles; claws
without denticle................................. macfadyeni
20(18). Dorsal pseudocellar formula 44/023/34353; ratio claw/anal
spines as 1.7.................................... caledonica
Dorsal pseudocellar formula 54/023/454[5-7]5[6]5; ratio
claw/anal spines as 2.0....................... decempunctata
21(6). Claws always with denticle; postantennal sense organ consists
of 18-26 vesicles........................................ 22
Claws without denticle; postantennal sense organ consists of
32-36 vesicles...................................... daviesi
22(21). Dorsal pseudocellar formula 4[3]4/033/3335[4]3; first to third
abdominal terga without chaeta s'............. pseudocellata
Dorsal pseudocellar formula
4[5]3[4-5]/033/4[3]4[3]4[3]5[6]3[4]; first to third
abdominal terga with chaetae s'.................... submersa
23(1). Dorsal pseudocellar formula 4[5-6]3[4]/022/3335[4]3[4-5];
dorsomedial pseudocelli on second thoracic tergum and
anterolateral pseudocelli on fourth abdominal tergum
present........................................ octopunctata
Dorsal pseudocellar formula 43/012/33343; dorsomedial
pseudocelli on second thoracic tergum and anterolateral
pseudocelli on fourth abdominal tergum absent......... tolae