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 ?
Shinde said, " We are using chemical, organic and biological methods to tackle the Mealybug menace.
Now, APHIS officials are using the new pheromone blend as a sex lure to survey the degree of mealybug pest infestations in Florida and California and to track the effectiveness of biological control efforts against the pest.
If allowed to get out of hand, mealybug can kill plants so you need to get on top of the problem.
There are 22 families--with more than 7,300 species--the largest and most common being Diaspididae, or armored scales; Coccidae, or soft scales; and Pseudococcidae, commonly known as mealybugs.
The Jack Beardsley mealybug is polyphagous, feeding on hosts in 47 plant families.
Entomologist John Goolsby (of the ARS Australian Biological Control Laboratory) and Kirk are exploring Australia, Egypt, Hong Kong, Macau, and other places to collect natural enemies of pink hibiscus mealybug, a soft-bodied pest that attacks 200 different plants.
Immune response of the hibiscus mealybug, Maconellicoccus hirsutus Green (Homoptera: Pseudococcidae), to oviposition of the parasitoid Anagyrus kamali Moursi (Hymenoptera: Encyrtidae).
It includes sections on dealing with aphids, codling, plum and pea moths, caterpillars, rabbits and birds, carrot fly, winter moths, ants, earwigs, houseflies, wasps, fungus gnats, mealybug, scale insects, slugs, snails, red spider mite, whitefly and vine weevil.
Vitales: Vitaceae) including the grape mealybug (Pseudococcus maritimus (Ehrhorn); Hemiptera: Pseudococcidae), omnivorous leafroller (Platynota stultana Walsingham; Lepidoptera: Tortricidae), Pacific spider mite (Tetranychus pacificus McGregor; Acari: Tetranychidae), cotton aphid (Aphis gossypii Glover; Hemiptera: Aphididae), and western flower thrips (Frankliniella occidentalis (Pergande); Thysanoptera: Thripidae).
Eureka'' is the classic lemon tree for Valley yards, even if it is a welcome host to scale, whitefly, and mealybug pests.
caridei (Brethes) are soft scale parasitoids, but males develop in the mealybug Planococcus citri (Risso) as hyperparasitoids of the encyrtid Anagyrus pseudococci (Girault) (Flanders et al.