52 



ME. STANLEY HIRST ON THE 



3. Tethanychus populi C. L. Koch, 1838. 



'Tetranychus iwjndi G. L. Koch, Deutsch. Crust., Myr., Arachn. 

 1838, heft 17, no. 14. 



T. telarius (ad part.) Oanestriiii, Prospett. Acarof. Ital. 1890, 

 p. 434; Berlese, Acari, Myr., etc. in Ital. reperta, 1889, fasc. Ivi. 

 no. 5. 



Text-figure 2. 



a. Claws (empodia) of first leg of Tetram/chus schizopus $ , lateral view of same. 

 h. Ditto. Ventr.il view. c. Claws of posterior leg of T. scliizopus. d. Ditto of 

 first leg of T. telarius <? . e. Ditto of second leg of T. Untearius $ . f. Ditto 

 of first leg of T. carpini $. g. Ditto of T. tiliarium $. h. Ditto of 

 T. tiliarium $ . 



S ■ Penis rather like that of 2\ tiliarmm, being only slightly 

 curved ; it is much longer than in T. talisice, sp. n., and also 

 difiers in having the end blunt. 



Falj). Terminal finger or cone very minute as in T. talisue ; 

 doi'sal sensory finger long. 



First claw of male bifurcated exactly as in 7\ schizopus, each 



