218 



VARROA .TACOBSONII. 



As to the curve the hairs make, this is different as to 

 the place they occupy, e. g. nearly all are concave forward' 

 but the hairs at the left half are directed to the left and 

 at the right half to the right, whilst those in the posterior 

 quadrant are curled and twisted sometimes in the manner 

 of a hog's tail. 



8 6 9 7 



Ventral side. Tritosternum (fig. G) rudimental ; there is 



no demarcation of main trunk and laciniae ; if we call the 



proximal part the trunk, this is very short, trapezoidal, 



wider posteriorly; the laciniae are rudimental too, for they 



Notes trom the Leyden Museum, "Vol. X-XIV. 



