ENTOMÜLOGISK TIDSKRIFT IQOI, 



ON IXODES ARENICOLA Eichwald. 



BY 



jA;LB. 'jTULLGREN. 



From his travel to the Caspian Sea in the summer of 1899 

 Mr E. Lönnberg, Ph. D., Docent at the University of Upsala, 

 brought home some ixodidae, captured in the same place where E. 

 EiCHWALD found his species Erodes arenicola, viz. on the little 

 island of Svjätoi, situated immediately to the north of the penin- 

 sula of Mangischlak in Transcaspia. The species occured in great 

 number on the sandy beach. The description that Eichwald has 

 given in Zoologin specialis I. II, Viln^e 1830 and in Famia Caspio- 

 Caticasica, Petropoli 1841 is, as known, so incomplete that it is 

 hardly decidable to what genus Ixodes are7ticola is to be refer- 

 red. Thus it is very probable that the specimens found by Mr 

 Lönnberg may belong to the Eichwaldian species. There is 

 nothing to make this supposition unlikely. On the contrary, the 

 locality being the same, the probability of the hypothèse might 

 be next to proved. 



In his excellent work »Revision de la famille des Ixodidès 

 3e Mem.» (Mem. de la Soc. zool. de France T. 12, 1899) p. 

 165 G. Neuman mentions /. arcnicola Eichw. among species 

 unknown to him. Being submitted to a nearer examination, 

 the species brought home by Mr Lönnberg, turned out as be- 

 longing to Hyalomvta œgyptitini (Lin.), why, most probably, the 

 name of Ixodes arenicola Eichw. may be put among the syno- 

 nyms of that species. 



