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3 definitions found
 for potato worm
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 :

  Tomato \To*ma"to\, n.; pl. Tomatoes. [Sp. or Pg. tomate, of
     American Indian origin; cf. Mexican tomail.] (Bot.)
     The fruit of a plant of the Nightshade family ({Lycopersicum
     esculentun); also, the plant itself. The fruit, which is
     called also love apple, is usually of a rounded, flattened
     form, but often irregular in shape. It is of a bright red or
     yellow color, and is eaten either cooked or uncooked.
     [1913 Webster]
  
     Tomato gall (Zool.), a large gall consisting of a mass of
        irregular swellings on the stems and leaves of grapevines.
        They are yellowish green, somewhat tinged with red, and
        produced by the larva of a small two-winged fly
        ({Lasioptera vitis).
  
     Tomato sphinx (Zool.), the adult or imago of the tomato
        worm. It closely resembles the tobacco hawk moth. Called
        also tomato hawk moth. See Illust. of Hawk moth.
  
     Tomato worm (Zool.), the larva of a large hawk moth
        ({Manduca quinquemaculata, Protoparce quinquemaculata,
        Sphinx quinquemaculata, or Macrosila quinquemaculata)
        which feeds upon the leaves of the tomato and potato
        plants, often doing considerable damage. Called also
        tomato hornworm and potato worm, and in the Southern
        U. S. tobacco fly.
        [1913 Webster +PJC]

From WordNet (r) 3.0 (2006) :

  potato worm
      n 1: large green white-striped hawkmoth larva that feeds on
           tomato and potato plants; similar to tobacco hornworm [syn:
           tomato hornworm, potato worm, Manduca
           quinquemaculata]

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