Redescriptions Of Three Species Of The Genus Neobisium From The Balkans And The Carpathians (Arachnida: Pseudoscorpiones)
Author
Novák, János
Author
Hörweg, Christoph
text
Acta Zoologica Academiae Scientiarum Hungaricae
2017
2017-07-21
63
3
277
292
http://dx.doi.org/10.17109/azh.63.3.277.2017
journal article
10.17109/AZH.63.3.277.2017
2064-2474
39196813-82D8-4028-98A1-D927D3D60E65
Neobisium (Neobisium) bosnicum
Beier, 1939
(Figs 4A–F)
Typematerialexamined (
syntypes
):
1 m
, 2 f, BosniaandHerzegovina, Bjelašnica Planina, cleavecave, southeasttoSarajevo,
2067 masl
.,
29.06.1912
(NHMW-25213);
3 m
, 2 f, BosniaandHerzegovina, fromcavesoftheBjelašnicaMts, 1918 (NHMW-25214);
1 m
, 1 f, BosniaandHerzegovina, VranPlanina, westtoNarenta, understones, 1922 (NHMW- 25215).
Description. Medium-sizedpseudoscorpionwithepigeanhabitus. Carapaceandter- gitesolivebrown, pedipalpsreddish- brown, otherpartsofopisthosomaandlegsyellow- ish. MeasurementsandratiosofthestudiedspecimensasinTable 3.
Carapacelongerthanbroad, surfacesmooth (Fig. 4A). Epistometriangularand prominent. Twopairsofwelldevelopedeyeswithlens. Onepairofslitlikelyrifissuresat anteriorandtwopairsatposteriorhalfofcarapace. Preocularsetaeabsent. Setalformula: 4:6:6–10:8–14 (26–34).
Coxalarea. Manducatoryprocesswith 5–6 setae, restofpedipalpalcoxawith 9–14 se- tae; pedalcoxaIwith 10–13 setae; II: 7–14; III: 6–11; IV: 13–17. Anterolateralprocessofcoxa Ilong, triangularandapicallypointed; medialprocessroundandflattenedanddentate.
Opisthosomawithgranulostriatepleuralmembrane. ChaetotaxyoftergitesI–X: 8–10:8–16:10–14:12–20:14–20:14–18:12–18:12–16:10–16:10–14. SegmentXIwith 14–22 setae, 6 ofthemtactile. Analconewith 2 ventraland 2 dorsalsetae. Malegenitalregion: sternite II with 6–13 small setae, sternite III with 24–28 setae, of which 12–15 along posterior mar- gin. Inmaleopening 4+4 internalsetae. Medialgenitalsackcouldnotbeclearlyobserved. Female genital region: sternite II with 7–12 small setae, sternite III with 10–14 small setae in a row. Chaetotaxy of sternites IV–X: 15–23:14–26:16–26:14–18:17–22:16–20:17–20.
Chelicerawith 6–8 setaeonhand (Fig. 4B), thisnumbercanvarybetweenthecheli- ceraeofthesameexemplar. Subgalealseta 0.59–0.65× frombaseofmovablefinger. Spin- neretaflattenedhyalinetuberclewith 10–14 silkducts. Fixedfingerwith 11–15 smallteeth, movablefingerwith 8–10 smallandmedium-sizedteeth. Rallumwith 8 blades, twodistalmostbladesunilaterallypinnateonanteriorface. Thedistalmostbladewithenlargedbasis andseparatedfromtheproceedingone. Serrulaexteriorwith 24–28 blades, serrulainterior with 22–26 blades.
Pedipalp (Fig. 4C) surfacessmooth. Trochanterwithtubercle. Femur 3.58–3.75, patella 2.28–2.50 timesaslongasbroad. Patellawith 3 greaterlyrifissuresonbasalpartand 2 smallernearthearticulationwiththehand. Pedicelofpatellabears 2–4 micropores. Che- la (Fig. 4D). Pedicelbears 3–4 dorsalmicropores. Chelalfingersapproximatelyaslong ashandwithpedicel. Fixedchelalfingerwith 55–63 close- setandpointedteethofequal length (Figs 4E–F). Movablechelalfingerwith 49–54 roundedteeth, dentallineending betweentheleveloftrichobothria
sb
and
b
. Trichobothriaofchelalfingersdistributedas inFig. 4D. Distancebetweentrichobothria
ib
and
ist
approximatelyaslongasbetween
ist
and
it
.
Legswithsmoothsurfaces. Clawssmoothandsimple, aroliashorterthanclawson alllegs. SubterminalsetaoftelotarsusIVwithtworami. Tactilesetaepresentontibia, basitarsusandtelotarsusoflegIV.
Table 3.
Measurements (in mm) and ratios of
Neobisium (N.) bosnicum
and
N. (N.) herzegovinense
syntypes.
N. (N.) bosnicum
|
N. (N.) herzegovinense
|
Male |
Female |
Male |
Female |
Measurements |
Ratio |
Measurements |
Ratio |
Measurements |
Ratio |
Measurements |
Ratio |
Body |
2.69–2.97 |
2.82–3.01 |
2.95 |
3.23–3.35 |
Carapace |
0.62–0.74/0.73–0.89 |
0.79–0.87 |
0.68–0.72/0.90–0.95 |
0.75–0.78 |
0.73/0.79 |
0.78–0.79/0.86–0.90 |
Chelicera |
Hand |
0.41–0.45/0.24–0.28 |
0.45–0.51/0.26–0.29 |
0.45–0.46/0.25–0.26 |
0.50–0.52/0.28–0.29 |
Finger |
0.27–0.30 |
0.28–0.34 |
0.30–0.32 |
0.33–0.35 |
Palp |
Femur |
0.73–0.83/0.20–2.22 |
3.58–3.75 |
0.80–0.85/0.22–0.24 |
3.58–3.72 |
0.90–0.92/0.20–0.21 |
4.29–4.60 |
0.93–1.01/0.22–0.23 |
4.22–4.24 |
Patella |
0.57–0.66/0.25–0.28 |
2.28–2.50 |
0.63–0.68/0.27–0.29 |
2.23–2.44 |
0.74–0.75/0.25–0.26 |
2.88–2.96 |
0.75–0.77/0.27–0.29 |
2.65–2.78 |
Chela |
1.29–1.39 |
1.41–1.46 |
1.61–1.64 |
1.65–1.67 |
Hand |
0.51–0.58/0.36–0.40 |
1.42–1.45 |
0.58–0.60/0.41–0.42 |
1.41–1.46 |
0.65–0.68/0.39 |
1.67–1.74 |
0.67–0.72/0.42–0.43 |
1.59–1.67 |
Pedicel |
0.08–0.10 |
0.08–0.10 |
0.13 |
0.12–0.13 |
Finger |
0.70–0.76 |
0.75–0.79 |
0.87 |
0.84–0.92 |
Leg I |
Trochanter |
0.18–0.22/0.14 |
1.29–1.56 |
0.21/0.15 |
1.42 |
0.23–0.24/0.13 |
1.78–1.92 |
0.21–0.24/0.15 |
1.43–1.64 |
Femur |
0.39–0.41/0.09–0.10 |
3.92–4.54 |
0.41–0.42/0.08–0.11 |
3.87–5.12 |
0.38–0.40/0.09 |
4.21–4.45 |
0.45/0.09–0.10 |
4.51–5.04 |
Patella |
0.30–0.31/0.10 |
2.99–3.12 |
0.30–0.32/0.10 |
2.97–3.21 |
0.34–0.36/0.10–0.11 |
3.28–3.42 |
0.32–0.35/0.11 |
2.91–3.20 |
Tibia |
0.27/0.09 |
3.05 |
0.29–0.31/0.09–0.10 |
3.09–3.22 |
0.31–0.32/0.09 |
3.43–3.56 |
0.34–0.35/0.09–0.10 |
3.76–3.89 |
Basitarsus |
0.21/0.07 |
2.98 |
0.20–0.22/0.07–0.09 |
2.43–2.86 |
0.20–0.21/0.08 |
2.51–2.64 |
0.20–0.21/0.08 |
2.49–2.63 |
Telotarsus |
0.28/0.06 |
4.31 |
0.22–0.24/0.07–0.08 |
3.02–3.15 |
0.33–0.34/0.07 |
4.71–4.84 |
0.24–0.32/0.06–0.07 |
4.04–4.58 |
Leg IV |
Trochanter |
0.31–0.32/0.16–0.18 |
1.92–2.02 |
0.29–0.31/0.17–0.18 |
1.63–1.83 |
0.35/0.15 |
2.33 |
0.34/0.17 |
2.11 |
Femur+patella |
0.67–0.72/0.20–0.22 |
3.36–3.54 |
0.73–0.75/0.21–0.24 |
3.12–3.48 |
0.79/0.20 |
3.96 |
0.81/0.20 |
4.06 |
Tibia |
0.51–0.54/0.12–0.13 |
4.15–4.26 |
0.58–0.61/0.14–0.15 |
3.88–4.34 |
0.72/0.11 |
6.55 |
0.73/0.12 |
6.08 |
Basitarsus |
0.25–0.29/0.09 |
2.78–3.22 |
0.25–0.28/0.10 |
2.53–2.84 |
0.31–0.32/0.09 |
3.43–3.54 |
0.34/0.10 |
3.42 |
Telotarsus |
0.32–0.35/0.07–0.08 |
4.38–4.56 |
0.33–0.34/0.08 |
4.14–4.25 |
0.42/0.09 |
4.66 |
0.40/0.09 |
4.43 |
Remarks.
N. bosnicum
wasdescribedbyBeierfrom
4 male
, 6 femaleand 1 juvenilesyntypes, fromthreedifferentlocalitiesinBosniaandHerzegovina (
BEIER 1939b
). In 1973 anewsubspecies,
N. bosnicumondriasi
wasdescribed
Fig. 4.
Neobisium (N.) bosnicum
: A = carapace, male, B = leftchelicera, male, C = rightpedi- palp, female, D = leftchela, male, E = chelalteethoffixedfingeratthelevelof
ist
, male, F = chelal teeth of fixed finger at the level of
et
, male; G–J =
Neobisium (N.) herzegovinense
: G = carapace, female, H = leftchelicera, female, I = rightpedipalp, female, J = rightchela, female
fromGreece (
MaHNERT 1973
). Afterwardsnofurtheroccurrencesofthespe- cieswerepublished.
Duringthepresentinvestigationonlytheadultsyntypeswerestudied. Wefoundgreatervariabilityinthesetationofthecarapaceandthetergites, andinthemeasurementdataandproportionsthanpreviouslymentionedin theliterature (
BEIER 1939b
,
1963
). Itisworthtomention, thatinthesample collectedincavesoftheBjelašnicaMtstheoriginaldescriptionreports
2 males
and
3 females
; incontrast, wefound 3 malesand 2 femalesinthevial.