mealybug
meal·y·bug
M0179400 (mē′lē-bŭg′)meal•y•bug
(ˈmi liˌbʌg)n.
Noun | 1. | mealybug - scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees |
单词 | mealybug | |||
释义 | mealybugmeal·y·bugM0179400 (mē′lē-bŭg′)meal•y•bug(ˈmi liˌbʌg)n.
mealybugmealybug,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. ..... Click the link for more information. 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. ..... Click the link for more information. , class Insecta, order Homoptera, family Pseudococcidae. mealybug[′mē·lē‚bəg]mealybug
Synonyms for mealybug
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