5. Cryptolaemus montrouzieri Mulsant,

Opusc. Ent. 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.