Synonyms and other taxonomic changes
Cryptolaemus montrouzieri Mulsant
Orig. Comb: Cryptolaemus montrousieri Mulsant
Explanation of Names
Patronym for Jean Xavier Hyacinthe Montrouzier
(1820- 1897), a French priest, explorer, botanist, zoologist and entomologist.
Larvae to 13 mm (Cornell)
Larva is covered with medium to long waxy curls.
Adult beetle is dark brown to black with orange/tan head and tail, and dark legs
(similar colored Scymnus
spp. have yellow legs (2)
Adults can be sexed visually: all the legs of males are dark, while females have light-brown forelegs.
widely dist., esp. so. US (BG data)
Established in IN, MO, FL, CA (1)
mostly: May-Aug (BG data)
Both adults and larvae feed on mealybugs, and are regularly purchased for pest control as beneficial insects.
Yellow eggs laid among mealybugs hatch to larvae which eventually pupate and emerge as adult beetles.
Imported to the US from Australia in 1891 to control citrus mealybugs in California. Widely used for control of citrus and long-tailed mealybugs, soft scales and related pests. Will not survive cold winters, so it is mostly used in greenhouses or mild-winter areas, or has to be introduced annually.
sp. - smaller (under 2.5mm), and usually with light brown legs, not black. (2)