142 Acarology 



Anal grooves surround anus anteriorly; ventral surface of males 

 almost completely covered by series of plates Ixodinae 



2. Ventral surface of male without plates; scutum usually orna- 

 mented Amblyomminae 



Ventral surface of male with four posterior plates, usually plain 



Rhipicephalinae 



Ixodinae Vitzthum, 1941 



Genera and subgenera: 



1. Ixodes Latreille, 1795 



a. Ixodes s. str. 



Type. Acarus riciniis Linnaeus, 1758 , 



b. Ceratixodes Neumann, 1902 



Type. Hyalomma piita Picard — Cambridge, 1876 



c. Endopalpiger Schulze, 1935 



Type. Endopalpiger luxiiriosus Schulze, 1935 



d. Eschatocephaliis v. Frauenfeld, 1853 



Type. Ixodes vespertilionis Koch, 1844 (= Eschatocephaliis gra- 

 cilipes V. Frauenfeld, 1853) 



e. Exopalpiger Schulze, 1935 



Type. Ixodes priscicoUaris Schulze, 1932 



f. Lepidixodes Schulze, 1935 



Type. Eschatocephaliis kopsteini Oudemans, 1925 



g. Sternalixodes Schulze, 1935 



Type. Ixodes cordifer Neumann, 1908 



Amblyomminae Neumann, 1911 



Genera and subgenera: 



1. Amblyomma Koch, 1844 {— Haemalastor Koch, 1844) 

 Type. Acarus cajennensis Fabricius, 1787 



2. Alloceraea Schulze, 1918 



Type. Haemaphy salts inermis Birula, 1895 



3. Amhlycentor Schulze, 1932 



a. Amhlycentor s. str. 



Type. Ixodes rhinocerinus Denny, 1 843 



b. Piincticentor Schulze, 1933 



Type. Dermacentor cricumgiittatiis Neumann, 1897 



4. Anocentor Sc\\\x\zQ, 1937 (= Otocentor Coo\Qy, 1938) 



Type. Dermacentor nitens Neumann, 1897 (= Anocentor columbi- 

 anus Schulze, 1937) 



