(dr. a. c. oudkmans). notfs on acari. 127 



gonal, with larçe camerostome, with tridentate rostral top, with 

 pointed tectopedia I, with a pectinate hair planted before them, with 

 blunt tectopedia II, with a smooth but thick hair outside of this, 

 with two pair of bristles behind the camerostome, and one ditto 

 on the epimera II. Abdomen almost square, smooth, without any 

 markings or hairs; genital aperture almost circular, far forward; 

 its anterior half almost in the area of epimera II. Anus enormous, 

 almost triangular, with rounded angles, especially the front-angle. 



Legs short, the hinder ones not extending beyond the posterior 

 margin of the abdomen (Fig. 48); the (ore-legs reaching with the 

 half of their tarsus the Tne of the rostrum (Fig. 49). Tarsus I 

 longer and slenderer than tarsus II. Genu I and II and tibia I 

 and II provided outwardly with a transparent, rod-like, rough hair. 

 Ungues tridactyle, very heterodactyle. 



Habitat: decaying leaves. 



Patria: Germany. 



Fomid by Mr. Hans Voigts in the neighbourhood of Göttingen, 



May 1901. 



13 Glycyphagus setosus (C. L. Koch). 

 (With Plate 8, fig. 51—53.) 

 1841. Acarus setosus C. L. Koch, Deu. Cr. Myr. Ar., fase. 33, n«. 3. 



1842. G. L. Koch, Uebers. Arachn. Syst., v. 3, p. 119. 



1859. Grube, in Arch. Nat. Liv. Ehst.-Kurl., ser. 2, v. 



1, p. 465. 

 1867 Fumouze et Robin, in Journ. Anat. Physiol., v. . . 



p. (44). 



1903 Glyeyphagns setosus Oudemans, in Entom. Ber. p. 102. 



MÉGNiN (Les Parasites et les mal. par., p. 139; 1881) idenli- 

 fies this species with Gl. cursor ((ierv.) =r domesticus (de Geer). 

 Certainly he is wrong. 



Among numerous Aleurobius furinae (L.) sent to me by Mr. 

 S. A. Poppe of Vegesack I found one <^ ö/j/ey/V/./^ «5 which immed- 

 iately arrested my attention by its long abdominal hairs, which 

 were more than twice longer than its own length. At once 

 ^as convinced of having found back again the lost Acarus 



wa 



