SPINNING MITES. 



97 



CASE 

 VHI. 



Section L— TETRANYCHID^ (Spinning Mites). 

 Genus Tetranychus {Dufour), 



Legs with seven joints. 

 This genus shows a special affinity with its allies 

 the spiders, some of the species at least being 

 endowed like them with the power of spinning a. 

 web, for which purpose the claws of the feet are 

 specially adapted, 

 being very short and 

 much curved, and 

 provided with long 

 stiff hairs, some of 

 which have globular 



Tarsus of Tetranychus termiuatlons, aud are 



telari' s. Copied from 



ciapaiede. thought to be an 



Mouth and palpi, and one mandible of 

 Tetranychus telarius. Copied from' 

 Claparfede. 



essential part of the spinning apparatus. * The mouth has a. 

 barbed sucking apparatus, and the palpi are chelate. 



Nos. Tetranychus telarius {Linn?). The red spider. 1. Magnified sketch of 

 X, 2, 3- larvae (with six feet). 2. Ditto of perfect male (with 8 feet). 3. Ditto- 



of perfect female. 



Tetnnychus telarius ; young 

 Copied from Claparede. 



state. 



Tetranychus telarius, perfect insect, male. 

 Copied from Claparede. 



G 



