THE CICADOIDEA 
67 
Essig, Edward Oliver 
1913a Homoptera in Injurious and beneficial insects of California. Calif. 
Dept. Hort. Monthly Bui. 2: i-xxxi, 1-351; Figs. 1-321 [38-43; 
Figs. 33-36] 
■ Economics of the common species 
1915a Homoptera in Injurious and beneficial insects of California. (Second 
edition.) Calif. Dept. Hort. Sup. Monthly Bui. 4: i—lxxxi, 1—541; 
Figs. 1-503 [59-66; Figs. 50-55] 
Revised edition of Essig 1913a 
1917a The olive insects of California. Calif. Agr. Expt. Sta. Bui. 283: 
43-64; Figs. 1-21 
Lists Platypedia areolata Uhler as a pest of olives 
1922a Insect notes from Laguna Beach, California. Jour. Ent. and Zool 
14: 75-78 
Ecology of Cacama crepitans Van D. 
1926a Homoptera. Insects of Western North America. A manual and text 
book for students in colleges and universities and a handbook for 
county, state and federal entomologists and agriculturists as 
well as foresters, farmers, gardeners, travelers and lovers of nature 
1926: i-ix, 1-1035; Figs. 1-766 [199-218; Figs. 103-117] 
Describes and illustrates the common species 
1931a A History of Entomology 1931: 1-1029; Figs. 1-263 
Lists western species described by various authors 
1942a Suborder Homoptera Leach 1815. College Entomology 1942: i-vi, 
1-900; Figs. 1-308 [307-320; Figs. 104-108] 
Essig, E. O., and W. M. Hoskins 
1944a Insects and other pests attacking agricultural crops. Calif. Agr. Col. 
Ext. Cir. 87 (Rev.): 1-197; Figs. 1-182 
Economics of common species 
Essig, E. O., and R. L. Usinger 
1940a The life and works of Edward Payson Van Duzee. Pan-Pacific Ent. 
16: 145-177; 1 pi. 
Contains a bibliography and list of genera and species described by 
Van Duzee 
Evans, John William 
1938a The morphology of the head of Homoptera. Roy. Soc. Tasmania, 
Papers and Proc. 1937: 1-20; Figs. 1-20 
1939b Insect pests of currants, raspberries and gooseberries. Tasmanian 
Jour. Agr. 10 (2): 87-90; Figs, i-iii 
Economics of Melampsalta torrida 
1941a The morphology of Tettigarda tomentosa White, (Homoptera, 
