New data on the distribution of Platyla stussineri (Boettger, 1884) and Acicula szigethyannae Subai, 1977 (Prosobranchia, Aciculidae) in Italy

2 Pages·1997·0.92 MB·English

by  Joop Eikenboom

. ,
BollettinoMalacologico,Roma,33(9-12):141-142,[1997J1998-SocietàItalianadiMalacologia
New data on the distribution of Platyla stussineri (Boettger, 1884)
and Acicula szigethyannae Subai, 1977 (Prosobranchia,
Aciculidae) in Italy
Joop Eikenboom
KEYwords: Newrecords,Italy.
RIASSUNTO Platylastussineri(Boettger, 1884)isreported for thefirst time from thealpineregion in Italy. AciculaszigethyannaiSubai, 1977 is reported forthe
secondtimefromAbruzo.
ABSTRACT Platylastussineri(Boettger, 1884)vienesegnalataperlaprimavoltaperlaregionealpinaitaliana,sullabasediesemplari rinvenuti inVallarsa.Acic-
ula szigethyannai Subai, 1977 è nuovamente riportata per l'Abbruzzo, ove era già stata segnalata in precedenza col nome di A. lineata sublimata
specieinrealtàdiversaedillustrataperconfronto.
J. EIKENBOOM,Asmusstraat7,3221 BAHellevoetsluis,TheNetherlands
Platyla stussineri(Boettger, 1884)(Fig. 4) Avezzano (UTM UG 86; province of l'Aquila). These shells
The occurrence ofthis species from Italy was so far only known were identified by Dr. Marco Bodon as Acicula szigethyannae
from a locality south-west of Modena, in Emilia Romagna, Subai, 1977 The shells from the Valle dell’Orfento actually do
.
where it was found by Boeters and from two localities in not differ from those from Celano. Bodon et al. (1995: 51)
Umbria where it was found by the author (both reported by already remarked that the identification of the Oriento speci-
Boeters et al., 1989). Furthermore, a population was recorded mens asA. lineatasublimata had to be confirmed.
at a locality west of Castelnuovo di Garfagnana in the Alpi The accompanying 35 species of landsnails, found by the
Apuane mountains (in Tuscany), by Eikenboom (1993a). author in the Gole di Celano, all make part ofthe malacofauna
Despite the many localities known in Slovenija, Platylastussineri already known from this part ofItaly.
was hiterto never reported from the alpine region ofItaly.
In June 1995, the author found twelve fresh adult shells Acknowledgements
(Fig. 4) and some juveniles in litter of a beechwood, close to The author wishes to thank Dr. Ruud Bank (Hoofddorp,
limestone rocks, south of Vanza, in the Vallarsa, southwest of The Netherlands) for preparing the plate. Prof. Folco Giusti
Rovereto (UTM PR 67; province of Trento, in Trentino Alto (Siena, Italy) for reading the manuscript and forgiving valuable
Adige). In this locality the species was part ofa rich malacofau- advices and Dr. Marco Bodon (Genova, Italy) for identifying the
na. Eighteen accompanying species - e.g. Rema veneta (PlRONA, Celano shells.
1865), Platyla gracilis (ClessiN, 1877), Acicula lineloata banki
Boeters, Gittemberger & Subai, 1989 (Figs 1-3) - were found.
Surprisingly, this locality is about 210 km west ofthe western-
most known locality ofP. stussineri in Slovenija. REFERENCES
Acicula szigethyannae Subai, 1977 (Figs 5, 7) BodonM., Favilli L., Giusti F. &Manganelli G., 1995. Gastropoda
The occurrence ofan Acicula species in Abruzzo was for the Pulmonata. In Minelli A., RuffoS. &La PostaS. (eds)Checklist
first time reported by EIKENBOOM (1993b). Two shells were delle specie dellafauna d’Italia, 14 (Gastropoda, Prosobranchia,
found in the Valle dell’Orfento near Caramanico (province of Heterobranchia) Calderini,60pp.
Pescara). Despite the fact that the author recognised the resem- Boeters H.D., Gittemberger E. & Subai P 1989. Die Aciculidae
,
blance with Acicula szigethyannae Subai, 1977 from the Gargano (Molusca: Gastropoda Prosobranchia). Zoologischen Verhandelm-
peninsula in Apulia (Fig. 7), they were identified as Acicula lin- gen,Leiden 252: 1-234.
eatasublineata (Andreae, 1883). Eikenboom J.C.A., 1993a. Enige opmerkingen over Italiaanse land-
It was expected that this Acicula would also live in similar slakken(3). DeKreukel, Amsterdam, 29(10): 103-104.
habitat elsewhere in this part ofItaly. This expectation turned Eikenboom J.C.A., 1993a. Enige opmerkingen over Italiaanse land-
out to be correct. slakken(4). DeKreukel,Amsterdam, 29(10): 105-111.
In June 195 the author found many fresh shells (Fig. 5) in Subai P., 1977. Über italienische Acicula-Arten (Gastropoda-Proso-
litter, taken from different sites in the Gole di Celano, east of branchia). ArchivfiirMolluskenkunde, 108(1-3): 37-43-
>141 <
JoopEikenboom
Figure 1-4 Shellsfrom abeechwood southofVanza, Vallarsa(SWofRovereto, Trento). Fig. 1. Reneaveneta(Pirona,
1865).Fig. 2.AcicalalimolatabankiBoeters,Gittemberger&Subai, 1989 Fig. 3.Platylagracilis(Clessin, 1877).Fig.
4.Platylastussineri(Boettger, 1884).Figure 5-7ShellsfromCentral-SouthernItaly.Fig. 5.AcicalaszigethyannaeSubai,
1977 -GolediCelanonearAvezzano. Fig.6.Acicalalineatasublimata(Andreae, 1883)-ValTaleggio(Bergamo). Fig.
7.AcicalaszigethyannaeSubai, 1977-ForestaUmbra(Garganopeninsula).Scalebar 1 mm.
Lavoroaccettatoil 29Settembre 1997
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