mealybug

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mealybug,

common name for certain unarmored scale insectsscale insect,
common name for members of a highly modified group of insects belonging to several families of the superfamily Coccoidea. Scales possess antennae and are characterized by reduced legs. Only the males have wings; females are always wingless.
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 that exude a granular white secretion, giving them a mealy appearance. Many are common greenhouse and crop pests. Adult females are wingless, with oval, segmented bodies and well-developed legs. The females and young feed on various parts of plants with their sucking mouthparts. Adult males have no mouthparts and do not feed. In egg-laying species the female produces several hundred eggs in a mass covered with waxy threads. In other species the young are born alive. The most serious pests are mealybugs that feed on citrus; other species damage sugarcane, grapes, pineapple, coffee trees, ferns, and orchids. Mealybugs are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Homoptera, family Pseudococcidae.

mealybug

[′mē·lē‚bəg]
(invertebrate zoology)
Any of various scale insects of the family Pseudococcidae which have a powdery substance covering the dorsal surface; all are serious plant pests.
References in periodicals archive ?
"The long-tailed mealybug requires a male for fertilisation of eggs while the short one does not.
Afterwards, mealybugs were moved to a clean dish with oleander leaves (Nerium oleander L.; Apocynaceae) and placed in a climatic chamber as described earlier.
All plants with 5-12 fully expanded true leaves were used in maintaining the colony of mealybugs in a climate room set at 27 +- 1Adeg C, 60-70% RH, and a 12:12 L:D photoperiod.
Scouting for mealybugs in vineyards with GLRD can be important to reducing its spread.
Vineyard managers and researchers seek sustainable solutions for mealybugs, a changing pest complex.
Cotton mealybug (CMB) Phenacoccus solenopsis Tinsley (Pseudococcidae: Hemiptera) is an economic insect pest of cotton (Wu and Zhang, 2009; Wang et al., 2009), the invasion of P.
Genera of Encyrtidae (Hymenoptera: Chalcidoidea) parasitoids of mealybugs (Hemiptera: Pseudococcidae) in Neotropical region.
Amongst them is an abundance of ladybirds, one of the most effective predators of mealybugs. Birds and other predatory insects also eat other pests that prey on the vines.
" A year ago, 55- 60 per cent of the trees were infested but about 90 per cent of the trees, surveyed by us, have been devoured by Mealybugs," Ashtekar said.
The mealybugs are capable of reducing cassava yields by up to 84 percent, and were first reported as a major problem in Asia in Thailand in 2008.
[Structure and functions of the integumentary glands of mealybugs, Pseudococcidae, and of their secretion].