The author presents a new record for the Romanian fauna of the springtail Coloburella linnaniemii (Denis, 1926). Notes on the taxonomic status, morphology and distribution of the species are given

Ionut Popa

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FIRST RECORD OF COLOBURELLA LINNANIEMII (DENIS, 1926) (HEXAPODA: COLLEMBOLA) IN ROMANIA Trav. Inst. Spéol. «Émile Racovitza», t. LII, p. 3335, Bucarest, 2013 IONUŢ POPA Abstract. The author presents a new record for the Romanian fauna of the springtail Coloburella linnaniemii (Denis, 1926). Notes on the taxonomic status, morphology and distribution of the species are given. Key words: Collembola, Coloburella linnaniemii, first record, Romania. 1. INTRODUCTION The collembolan fauna of Romania is rather poorly studied. In 2007, FIERA published a checklist of the springtails of Romania (388 species). Since then, 16 species were added to this list by DANYI and TRASER (2008), FIERA (2008, 2009), FIERA et al. (2013), NITZU et al. (2009) and POPA (2010, 2011, 2012). Therefore, the  number  of  the  collembolan  species  in  Romania  has  been  increased  to  404 species. Taking into account the great diversity of biogeographical regions in Romania, many areas are still unexplored.  Coloburella  linnaniemii  (Denis,  1926),  a  new  species  for  the  fauna  of Romania, was collected in a beech-spruce mixed forest in the Buila-Vanturarita National Park.  2. MATERIAL AND METHODS Our researches were carried out in May 2011, in a Fagus sylvatica and Picea abies  mixed  forest,  located  in  the  Buila-Vanturarita  Massif  (Buila-Vanturarita National Park). The individuals were captured using a pitfall trap (with olfactory attractant and ethyl alcohol). The trap was emptied after 4 days (13 − 16.05.2011) and  the  specimens  were  transferred  in  70%  ethyl  alcohol.  The  sorting  of  the biological material was done at binoculars. The specimens were cleared in a lacto-phenol  solution  and  mounted  on  a  slide  with  Marc  Andre  II  medium.  For identification at species level we used the works of STACH, 1947 and GISIN, 1960. 3. RESULTS AND DISCUSSION The genus Coloburella Latzel, 1918 is a small genus in the family Isotomidae with only eight species described all over the world. Of these, five species are recorded in Europe (ULRICH and FIERA, 2010): C. cassagnaui Rusek, 1972, C. linnaniemii   Ionuţ Popa  2  34 (Denis, 1926), C. zangherii (Denis, 1924), C. reticulata Latzel, 1918 and C. vandeli Cassagnau & Delamare, 1951. Until now, only C. zangherii was recorded in the Romanian fauna (FIERA, 2007). We report here the first record of Coloburella linnaniemii (Denis, 1926) for the Romanian fauna. Two specimens (13 − 16.05.2011, pitfall trap, mixed forest of beech  and  spruce,  1173  m  altitude,  Buila-Vanturarita  Massif,  leg.  I.  Popa, preserved in the ISER collection) were identified. This bluish coloured species by 0.64–0.68  mm  in  length  (without  the  head)  (Fig.1)  is  characterized  by  6  +  6 ommatidia, on a dark, strong pigmented eye patch; antennae pigmented, 1.2 longer than the diameter the head (Fig.1); postantennal organ about 1.5 longer than the diagonal  of  one  ommatidia;  claws  without  inner  tooth,  empodial  appendage present, about ½ as long as the ventral side of the claw; furca well developed, mucro only indistinctly separated from the dens (Fig. 2). C. linnaniemii is a very rare species in the European fauna. The species is known only from Crete, Italy and Austria (JANETSCHEK, 1993).                                                 ACKNOWLEDGEMENTS. I wish to express my sincere thanks to Dr. JOSEF RUSEK for the verification and confirmation of the species and Dr. VLADIMIR SUSTR for the photos taken on the specimens.  Fig. 1. Coloburella linnaniemii (Denis, 1926): A – Habitus dorso-lateral (Photo by V. Sustr). Fig. 2. Coloburella linnaniemii (Denis, 1926): – furca (Photo by V. Sustr). 3  Coloburella linnaniemii (Denis, 1926) in Romania    35 REFERENCES DANYI, L., TRASER, G., Contribution to the collembola fauna of Maramures, Romania. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii (Life Sciences Series), 18, 211–219, 2008. FIERA, C., Checklist of Romanian springtails (Collembola). Folia Entomologica Hungarica 68, 5–40, 2007. FIERA, C., New records of springtails (Hexapoda: Collembola) for Romanian fauna. Entomologica Romanica 13, 19–22, 2008. FIERA,  C.,  Collembola  (Hexapoda:  Collembola)  assemblages  in  Tinovul  de  la  Laptici  –  Bucegi Massif (Romanian Carpathians). Travaux de Museum d’Histoire Naturelle „Grigore Antipa” 40, 113–117, 2008. FIERA, C., Biodiversiy of Collembola in urban soils and their use as bioindicators for pollution. Pesq. Agropec. Bras., Brasilia, vol. 44, no. 8, 868–873, 2009.  FIERA, C., KONIKIEWICZ, M., SKARZYNSKY, D., Tetracanthella doftana sp. nov. 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First record of Coloburella linnaniemii (Denis, 1926) (Hexapoda: Collembola) in Romania

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