FOREST ENTOMOLOGY 475 



MINOR INSECTS 



Felt, E. P. (9420) 



gall midges as forest insects. Ottawa Nat. 28 : 76-79. 1914. 



Haseman, L. (9421) 



bagworms destructive in Missouri. Mo. Agr. Expt. Sta. Circ. 92, 4 pp., 

 illus. 1920. 



Hawley, R. C, and Record, S. J. (9422) 



do ants kile trees about their colonies ? Amer. Forestry 22 : 685-686, 

 illus. 1926. 



Herbert, F. B. (9423) 



cypress bark scale [ehrhornia cupressi (ehrhorn)]. U. S. Dept. Agr. 

 Bull. 838, 22 pp., illus. 1920. 



(9424) 



THE EUROPEAN ELM SCALE (GOSSYPARIA SPURIA (MODEER) ) IN THE WEST. U. S. 



Dept. Agr. Bull. 1223, 20 pp., illus. 1924. 



Howard, L. O., and Chittenden, F. H. (9425) 



the bagworm, an injurious shade tree insect. U. S. Dept. Agr., Farmers' 

 Bull. 701, 12 pp., illus. 1916. 



Packard, A. S. (9426) 



certain cone-eating insects. Gard. and Forest 1 : 100-101. 1888. 



Seaver, F. J, (9427) 



the bagworm or basket-worm. Amer. Forestry 25 : 1475-1476, illus. 1919. 

 Also pub. in Jour. N. Y. Bot. Gard. 20 (235) : 135-138. 1919. 



Wellhouse, W. H. (9428) 



some six-footed villains and the elm. Ames Forester 11 : 94-102, illus. 

 1923. 



Young, T. W. (9429) 



SAP-SUCKING INSECTS ON SHADE AND FOREST TREES. Purdue Agr. 24 I 57, 64, 



66, illus. 1929. 



Shade Tree Insects 

 Anonymous. (9430) 



insect enemies of trees. Tree Talk 4(2): 72-74. 1917. 



(9431) 



pests destroying shade trees. Ohio Architect and Builder 1908 : 39. 1908. 



(9432) 



some tree insect pests. Forest Leaves 15 : 45-46. 1915. 



(9433) 



tree pests and how to fight them. Park and Cemetery 22 (11) : 270-274, 

 illus. 1913. 



American Association of Park Superintendents. (9434) 



insects injurious to shade and ornamental trees. Amer. Assoc. Park 

 Supts. Bull. 11, 21 pp., illus. 1914. 



Baerg, W. J. (9435) 



three shade tree insects. Ark. Agr. Expt. Sta. Bull. 224, 25 pp., illus. 

 Fayetteville. 1928. 



Bannwart, Carl. (9436) 



destroying the destroyer. Amer. City 14 (4) : 381-384, illus. 1916. 



Bethune, C. J. S. (9437) 



MENACE TO THE SHADE TREES OF LONDON, ONTARIO. Ontario Ellt. SOC. Aim. 



Rept. 34 : 40-42. 1903. 

 Blackman, M. W., and Ellis, W. O. (9438) 



SOME INSECT ENEMIES OF SHADE TREES AND ORNAMENTAL SHRUBS. N. Y. State 



Col. Forestry, Syracuse Univ. Bull. 6, 123 pp., illus. [1916.] 



Bues, C. E. (9439) 



a few insects injurious to shade trees. Wis. State Hort. Soc. Trans. 36 : 

 13-22. 1906. 



