Larvae feed on mealybug eggs, young crawlers and their honeydew. Examine any white mass carefully to determine whether it is a mealybug, a mealybug egg mass, or the larval stage of the beneficial mealybug destroyer (see below). Males have wings and are rarely seen. In fact, many members of the Coccinellidae (kox-ih-NELL-a-DEE) family are beneficial predators, but not all.With a name like mealybug destroyers, you know that your garden plants are going to love this tiny beastie! Pink Hibiscus Mealybug Identification. Larvae grow up to 1.3 cm (1/2 inch) long and are covered with waxy white curls making it difficult to see their legs. For longtailed mealy bugs, the life cycle is only the crawler stage and adult, as female longtailed mealy bugs give birth to live young. Adults of this species have the typical ladybird shape but, unlike many of the often brightly coloured Coccinellidae, the elytra of these small ladybirds are predominantly dark brown and have no spots. They rarely feed and their sole existence is to mate. The mealybug destroyer is a small (1/5") black lady beetle with a tan front end and a voracious appetite for mealybugs and some soft scale bugs. The mealybug destroyer (Cryptolaemus montrouzieri) is a small (1/5 inch long), redish-brown lady beetle with dark-brown wing covers. Eggs are yellow and are layed into the woolly egg. The mealybug destroyer (Cryptolaemus montrouzieri) is a small (1/5 inch long), redish-brown lady beetle with dark-brown wing covers. The ladybug adults and larvae feed on the mealybug eggs and small nymphs. The mealybug destroyer is less effective in managing longtailed mealybug because adult beetle females lay their eggs among the egg sac of citrus mealybug; longtailed mealybug females do not lay eggs since they give birth to live offspring. Females lay their eggs among the egg sack of mealybugs. The mealybug destroyer ( Cryptolaemus montrouzieri ) is a small (1/5 inch long), redish-brown … Description: Cryptolaemus montrouzieri, aka, Mealybug Destroyer an Austrailian Ladybug was imported to the USA in the 1890's for the control of Citrus Mealybug in California. Adult female beetles lay up to 10 eggs per day (up to 500 in total) directly into mealybug egg masses. What conditions do they need? A specific ladybug called the mealybug destroyer is particularly effective. This beetle was imported into the United States in 1891 from Australia by one of the early biological control pioneers, Albert Koebele, to … A larva hatches from each egg. Crypt's are brown ladybugs with an orange head and tail (approximately 4 mm / 1/6 in long). Mealybug Destroyer beetles kill aphids and mealybugs in a very unique way. Mealybug destroyers, also known as mealybug ladybirds, are close cousins to our beloved lady beetle, or lady bug. Of most concern in all regions is that grape mealybugs are important vectors of the grapevine leafroll virus. The larval stages feed on mealybugs and live for a total of 12 - 17 days. Repeat for each insect. When the aphids and mealybugs hatch, the baby Destroyer beetles eat all the hatching mealybugs and aphids. Large numbers of mealybugs may result in an accumulation of honeydew. Mealybug predator larvae will feed on all stages of the mealybug life cycle including eggs, larvae and adults. Grape mealybug contaminates fruit with cottony egg clusters, eggs, immature stages, adults, and honeydew. Adult “crypts” are small, nondescript brown and black beetles, which eat mealybugs and mealybug eggs. The effective encapsulation rate of A. pseudococci by the citrus mealybug was 15%. Parasites provide good control of the citrophilus, longtailed, and Comstock mealybugs if they are not destroyed by insecticide applications for other pests.Native predators include lady beetles, lacewings, and syrphid flies.An introduced predator of the citrus mealybug, the mealybug destroyer, Cryptolaemus montrouzieri, is a voracious feeder of the pest in both the larval and adult stages.