628 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



more greyish and has six dark spots which suggest the specific 

 name and the common name of the six-spotted mite. 



Red-spiders are common in the spring or during dry weather. 



FIG. 538. Red-spiders: The Citrus Red-spider, on the left; The Six-spotted 

 mite on the right. After Quayle, California Agr. Expt. Sta. 



They feed on the juices of leaves and fruits and cause russeting 

 and mottling of the fruit. Often they remain upon lemons in 

 storage and cause injury during the curing process. 



FIG. 539. The green lace-wing, Chrysopa calif ornica Coq., an important 

 enemy of red-spiders. After Quayle. 



Control is the same as for the rust-mite, the compounds of 

 sulphur and sulphur in the free state having been found to be 

 the best treatment for all forms of mites. 



