316 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 10 



(4) CoAD, B. R. and Pierce, W. D. Studies of the Ai-izona Thurberia Weevil on 



Cotton in Texas. Proc. Ent. Soc. Wash., vol. XVI, No. 1, pp. 23-27. 

 March, 1914. Studies of biology of Anthonomus grandis thurberia at Victoria, 

 Texas, in 1913. 



(5) Cook, O. F. A Wild Host Plant of the Boll Weevil in Arizona. Science n. s., 



vol. 27, No. 946, pp. 259-261. February, 1913. This article contains the 

 first record of the occurrence of a weevil attacking Thurberia thespesiodes in 

 Arizona. 



(6) CocKERELL, T. D. A. Somo Insect Pests of the Salt River Valley and Remedies 



for Them. Bui. 32, Ariz. Agr. Exp. Sta., pp. 288-289. Brief mention made 

 of injury of bollworm to corn in Arizona and New Mexico. 



(7) CoiT, J. E. and Packard, W. E. Imperial Valley Settlers Crop Manual. 



Bui. 210, Cal. Agr. Exp. Sta., pp. 184, 181 and 240. January, 1911. Injury 

 by bollworm to corn and tomatoes in the Imperial Valley is mentioned in 

 this bulletin but no mention made of injury to cotton. Injury by Heliothrips 

 fasciatus to cotton leaves is reported. 



(8) Hunter, W. D. The Status of the Cotton Boll Weevil in 1909. Circ. 122, 



Bur. Ent., U. S. D. A., pp. 1-8. December, 1910. Contains a discussion 

 of effect of semi-arid and arid conditions on Mexican cotton boll weevil. 



(9) Hunter, W. D. (Remarks.) Proc. Ent. Soc. Wash., vol. XVI, No. 1, pp. 



27-28. March, 1914. A brief discussion of cotton growing in semi-arid and 

 ai'id sections with reference to .-1. grandis and A. grandis thurberioe. 



(10) Hunter, W. D. and Pierce, W. D. The Mexican Cotton Boll Weevil. Bui. 



114, Bur. Ent., U. S. D. A., pp. 23-29. February, 1912. Refers to relation 

 of arid and semi-arid conditions on A . grandis, an extension of the discussion 

 by Hunter in Circular 122. 



(11) McGregor, E. A. Bucculatrix thurberiella, A Pest of Cotton in the Imperial 



Valley. Jour. Econ. Ent., vol. 9, No. 5. October, 1916. Notes on injury 

 by cotton leaf perforator in the Imperial Vallej^ in 1916, also description of 

 stages. 



(12) Morrill, A. W. The Mexican Conchuela in Western Texas in 1905. Bui. 64, 



Part I, Bur. Ent., U. S. D. A., pp. 1-14. April, 1907. A report of observa- 

 tions on an outbreak of this insect {Chlorochroa ligata) in extreme west Texas, 

 including reference to its injury to cotton. 



(13) Morrill, A. W, Plant Bugs Injurious to Cotton Bolls. Bui. 86, Bur. Ent., 



U! S. D. A., pp. 24-25, 74, 94. June, 1910. This includes a report of in- 

 vestigations of the conchuela, the grain bug (C sayi) and the bordered plant 

 bug {Eurijoplhalmus succindus) , all three of which had been found injuring 

 cotton only in the semi-arid and arid sections of Texas and in arid sections of 

 Mexico. The occurrence of the leaf -footed plant bug {Leptoglossus zonatus) 

 in cotton fields in Durango, Mexico, is also mentioned. 



(14) Morrill, A. W. Cotton Pests, Fifth Annual Report, Ariz. Comm. Agr. & 



Hort., pp. 38-48. December, 1913. A discussion of the bollworm, cotton 

 leafworm, and two grasshopper pests (Schistocerca vega and S. shoshone) of 

 cotton and their remedies, also of Anthonomus grandis thurberioe, the Thur- 

 beria or wild cotton bollworm and the Thurberia blister mite {Eriophyes sp.). 

 The following cotton pests are mentioned: cotton boll cutworm {Prodenia 

 ornithogalli); the Mexican Conchuela; the grain bug; leaf-footed plant bug 

 {Leptoglossus zonatus); the bordered plant bug {Euryopthalmus succindus)', 

 the cotton aphis {Aphis gossipii) and the cotton red spider {Tetranychus 

 bimaculatus) . Injury to cotton by Microthrips piercei on one occasion is 

 noted. 



