Kees Waterlander: Woodland Grasshopper / Negertje
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Kees Waterlander: Meadow grasshopper
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Kees Waterlander: Short-winged conehead (Nymph)
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Kees Waterlander: Leafhopper
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Kees Waterlander: Speckled bush-cricket nymph
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Kees Waterlander: Sprinkhaan
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Kees Waterlander: Zoemertje
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Kees Waterlander: speckled bush-cricket
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Kees Waterlander: Leafhopper