Pomona College, Clareinont, California 



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Paraphytoptus calif orniaii Hall. (Possibly may be P. peravorus.) Gall on 

 Artemisia. Abdomen anulate. 



Eriophyes oleivorus Ash. Silver mite. 



Tarsonemid.\e. No ventral suckers. Legs end in claws, body divided into cep- 

 halothorax and abdomen. Female with clavate hairs between legs one and two. 



Tarsonemus approximalus Bks. Pomona, Calif. Under Citricola scale. 



T. assimilis Bks. From red scale. Whittier. 



Tyrogi.yphidae. Small, elongate, smooth. Legs alike. Chelate mandibles, no 

 eyes. Palpi close against mouth parts. Legs long, clavate hair on tarsi of one and 

 two. Not parasitic except a few on bees. Mostly live on organic matter. Cheese 

 mites, etc. 



Tyroglyphus longior Gervais. Hairy bristles on body, long tarsi. Calif. 



T. americanus Bks. From lemons in storage S. Calif. 



Trichotarsus xylocopae Donn. European species found on Xylocopa californica. 



