4. Anomala sulcatula Burmeister,

Hanclb. Ent., 4 (1): 261, 1844. Schultze, Philip. Jour. Sci. 11, D: 172, 1916.

Agana, April 19, 23, Bryan; Tarague, May 17, Swezey ; Agat, May 21, on corn leaf, Swezey ; Machanao, June 30, ex rotten breadfruit trunk, Swezey, Usinger ; Piti, June 15, Usinger ; Piti, June 12 , 15, July 9, 12, 13, 19, Aug. 10, 27, Oct. 5, 6, Nov. 25, all at light, Swezey; Piti, Oct. 31, on bamboo, Swezey ; Sumay, Nov. 28, about a dozen on screen door at Pan-American Airways mess hall, Swezey ; grubs found at corn roots, a little north of Decledo, Nov. 25, Swezey .

A Philippine species which is now quite common in Guam. It is nocturnal, yet may be found on its food plants in the daytime. The grubs do some damage to corn roots, and are also found in other situations. Most of our adults were collected as they came to light. Determined by F. X. Williams, Experiment Station, Hawaiian Sugar Planters' Association, Honolulu.