Miscellaneous Families of Guam Coleoptera Author Swezey, O. H. Experiment Station, Hawaiian Sugar Planters' Association, Honolulu text 1942 1942-06-01 Bernice P. Bishop Museum Honolulu, Hawaii Insects of Guam I 150 171 book chapter http://doi.org/10.5281/zenodo.5167701 5f279ac2-63c6-4bd8-be9e-0e3d82b73ab2 5167701 5. Cryptolaemus montrouzieri Mulsant , Opusc . . 3 : 140 , 1853 . Tiyan, April 2, Bryan; Orote Pen., April 8, Bryan; Upi Trail, May 5, Swezey; Inarajan, May 6, Usinger; Tumon, May 30, Swezey; Barrigada, June 14, Swezey; Mt. Alifan, June 19, Swezey; Dededo, Aug. 11, Swezey. This Australian ladybeetle was introduced into Guam from Honolulu in 1926. It feeds on mealybugs and Pulvinaria.