REPORT OF THE STATE ENTOMOLOGIST I907 1 53 



Quercus texana (Texan red oak) 



168 Same as the preceding. 



Trotter '03, p. 71, no. 39 Tenn. 



Quercus velutina (black oak) 



169 Same as the two preceding. 



Trotter '03, p. 72, no. 43 N.C. 



The description indicates a form somewhat different from any 

 on oak known to us; compare our no. 117 for differences. 



Sorbus americana (American mountain ash) 

 Pirus americana 



170 Leaf-blister, ascribed provisionally to Eriophyes 

 p y r i . [See our no. 107] 



Trotter '03, p.67, no. 17 N.C. 



E. pyri has been reported on mountain ash (Sorbus 

 a u c u p a r i a) in Europe. [See Parrott '07] 



BIBLIOGRAPHY 



The abbreviated system of reference has been used in the list 

 only for the oft-quoted papers mentioned in the introductory para- 

 graphs, but for convenience the complete list of references is here 

 given. 



W. H. ASH MEAD 



Ashmead 1879 Injurious and Beneficial Insects Found on the Orange 

 Trees of Florida. Canadian Entomologist, 11:159, 160 



NATHAN BANKS 



Banks 1904 A Treatise on the Acarina. U. S. National Museum Pro- 

 ceedings 1382. 28:1-114 



1905 Descriptions of some new mites. Entomological Society of 



Washington Proceedings, 7:141 

 1907 A Catalogue of the Acarina. , U. S. National Museum Pro- 



ceedings 1553. 32:595-625 



WILLIAM BEUTENMiJLLER 



Beutenmiiller 1892 Catalogue of Gall-producing Insects. American Mu- 

 seum Bulletin 4 :278 



1904 The Insect Galls of New York City. American Museum Journal 



4:124 



