例文・使い方で印象づける「hoppers」の覚え方
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—These are attacked by locusts, grasshoppers, army worms, cut-worms, web worms, small grass worms and leaf hoppers... 
William T. Hornaday 「Our Vanishing Wild Life」
...When seen through ahand lens this pointed projection and the well-developedcharacteristic wing sheaths give the chrysalis a remarkableresemblance to some of the twig hoppers or Membracids...
Clarence M. Weed 「Butterflies Worth Knowing」
...Sand must be fed either by mixing it in to the extentof about 3% of the ration or the sand can be fedseparately in hoppers as previously described...
Harry M. Lamon 「Ducks and Geese」
...Like the Horned Larks theyare walkers, not hoppers, and like most walkers, it isexceptional for them to perch in trees...
Frank M. Chapman 「What Bird is That?」
...It is better to be placed on shelves or suspendedboxes or hoppers, which are variously and cheaply constructed,to keep it clean and out of the reach of rats...
Richard L. Allen 「Domestic Animals」
...Hard grain (usually crackedcorn) is kept always before them in the house, in hoppers which willhold a bag of grain each...
John H. Robinson 「Our Domestic Birds」
...Feed hoppers like those used for fowls are used in pigeon houses...
John H. Robinson 「Our Domestic Birds」
...The most common practice is to give the feed in hoppers, keeping asupply always before the birds...
John H. Robinson 「Our Domestic Birds」
...These are easily made and are much better than any of theautomatic hoppers on the market...
Carl Dare 「Profitable Squab Breeding」
...Where the feed is given in hoppers thebirds will eat the kind they like best and waste much of the rest of thefeed...
Carl Dare 「Profitable Squab Breeding」
...If feeding hoppers are used they should be of good size and properlyconstructed...
Carl Dare 「Profitable Squab Breeding」
...Siphonata: = Homoptera or, more specifically, plantlice and leaf hoppers...
John. B. Smith 「Explanation of Terms Used in Entomology」
...When young they may take on variousshapes as caterpillars, borers, maggots,grubs, hoppers, and the like...
Leonard Haseman 「An Elementary Study of Insects」
...These are the leaf hoppers...
Margaret Warner Morley 「The Insect Folk」
...There are a great many species of the leaf hoppers, and not all of themare as pretty as these...
Margaret Warner Morley 「The Insect Folk」
...Although many of the plant hoppers are such nuisances to us, there isone family of hoppers that is seldom a nuisance...
Margaret Warner Morley 「The Insect Folk」
...Do you know the tree hoppers...
Margaret Warner Morley 「The Insect Folk」
...John says he once made a collection of tree hoppers and put them in abox with a reading glass over the top, and showed them to his friends tomake them laugh...
Margaret Warner Morley 「The Insect Folk」
...The tree hoppers jump about on the bushes and eat the juices of theplants, but there are not usually enough of them to do damage...
Margaret Warner Morley 「The Insect Folk」
...Theyseldom come in swarms like some of the leaf hoppers, though sometimesthey do...
Margaret Warner Morley 「The Insect Folk」
...Do you know that some species of your funny little tree hoppers secretehoney dew also, and even have ants to attend them? See if you can findsome of these this summer...
Margaret Warner Morley 「The Insect Folk」
...Comparativelyspeaking, the flying locusts do less damage to the growing crops thanthe hoppers, who devour everything clean before them...
Various 「Argentina From A British Point Of View」
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