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3 definitions found
 for Potato beetle
From The Collaborative International Dictionary of English v.0.48 :

  Potato \Po*ta"to\, n.; pl. Potatoes. [Sp. patata potato,
     batata sweet potato, from the native American name (probably
     batata) in Hayti.] (Bot.)
        (a) A plant ({Solanum tuberosum) of the Nightshade
            family, and its esculent farinaceous tuber, of which
            there are numerous varieties used for food. It is
            native of South America, but a form of the species is
            found native as far north as New Mexico.
        (b) The sweet potato (see below).
            [1913 Webster]
  
     Potato beetle, Potato bug. (Zool.)
        (a) A beetle ({Doryphora decemlineata) which feeds, both
            in the larval and adult stages, upon the leaves of the
            potato, often doing great damage. Called also
            Colorado potato beetle, and Doryphora. See
            Colorado beetle.
        (b) The Lema trilineata, a smaller and more slender
            striped beetle which feeds upon the potato plant, bur
            does less injury than the preceding species.
  
     Potato fly (Zool.), any one of several species of blister
        beetles infesting the potato vine. The black species
        ({Lytta atrata), the striped ({Lytta vittata}), and the
        gray ({Lytta Fabricii syn. Lytta cinerea) are the most
        common. See Blister beetle, under Blister.
  
     Potato rot, a disease of the tubers of the potato, supposed
        to be caused by a kind of mold ({Peronospora infestans),
        which is first seen upon the leaves and stems.
  
     Potato weevil (Zool.), an American weevil ({Baridius
        trinotatus) whose larva lives in and kills the stalks of
        potato vines, often causing serious damage to the crop.
  
     Potato whisky, a strong, fiery liquor, having a hot, smoky
        taste, and rich in amyl alcohol (fusel oil); it is made
        from potatoes or potato starch.
  
     Potato worm (Zool.), the large green larva of a sphinx, or
        hawk moth ({Macrosila quinquemaculata); -- called also
        tomato worm. See Illust. under Tomato.
  
     Seaside potato (Bot.), Ipom[oe]a Pes-Capr[ae], a kind of
        morning-glory with rounded and emarginate or bilobed
        leaves. [West Indies]
  
     Sweet+potato+(Bot.),+a+climbing+plant+({Ipom[oe]a+Balatas">Sweet potato (Bot.), a climbing plant ({Ipom[oe]a Balatas)
        allied to the morning-glory. Its farinaceous tubers have a
        sweetish taste, and are used, when cooked, for food. It is
        probably a native of Brazil, but is cultivated extensively
        in the warmer parts of every continent, and even as far
        north as New Jersey. The name potato was applied to this
        plant before it was to the Solanum tuberosum, and this
        is the "potato" of the Southern United States.
  
     Wild potato. (Bot.)
        (a) A vine ({Ipom[oe]a pandurata) having a pale purplish
            flower and an enormous root. It is common in sandy
            places in the United States.
        (b) A similar tropical American plant ({Ipom[oe]a
            fastigiata) which it is thought may have been the
            original stock of the sweet potato.
            [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Colorado beetle \Col`o*ra"do bee"tle\ (Zool.)
     A yellowish beetle ({Doryphora decemlineata), with ten
     longitudinal, black, dorsal stripes. It has migrated
     eastwards from its original habitat in Colorado, and is very
     destructive to the potato plant; -- called also potato
     beetle and potato bug. See Potato beetle.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

  potato beetle
      n 1: black-and-yellow beetle that feeds in adult and larval
           stages on potato leaves; originally of eastern Rocky
           Mountains; now worldwide [syn: Colorado potato beetle,
           Colorado beetle, potato bug, potato beetle,
           Leptinotarsa decemlineata]

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