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单词 stink bug
释义

stink bug


stink′ bug`


n. any of numerous broad, flat bugs of the family Pentatomidae, that emit a disagreeable odor. [1875–80, Amer.]

stink bug


stink bug,

member of a large, widely distributed family (Pentatomidae) of true bugsbug,
common name correctly applied to insects belonging to the order Hemiptera, although members of the order Homoptera (e.g., mealybug) are sometimes referred to as bugs, as are other insects in general.
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 with flattened, shield-shaped bodies. Most are 1-4 to 1-2 in. (6–12 mm) long. Those species whose hard upper covering, or scutellum, covers most of the abdomen are known as shield bugs, as name also applied to bugs of the family Acanthosomatidae. An unpleasant-smelling secretion is emitted from two glands on the thorax when stink bugs are disturbed.

Most stink bugs suck plant juices; some feed on other insects. Certain species, such as the brightly colored harlequin bug, are destructive to garden crops. The browm marmorated stink bug, an East Asian native that probably entered the NE United States sometime in the mid-1990s, has become a major agricultural pest in parts of the country. In the fall, this species seeks shelter inside buildings, becoming a household nuisance.

Many stink bugs are protectively colored in brown or green; a black species is common on blackberries and raspberries. The eggs are usually shaped like squat barrels with hinged lids and are glued upright in double rows to the leaf surface. The young mature in five nymphal stages (see insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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). Stink bugs of several species are used as human food in Mexico, Asia, and Africa. There are over 5,000 species, with several hundred in North America.

Stink bugs 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 Hemiptera, family Pentatomidae.

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更新时间:2024/9/23 11:25:09