| 31. | Above them are a closed visor capped by a mayfly and two red roses.
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| 32. | Niangua darters eat the nymphs of stoneflies and mayflies, and other aquatic insects.
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| 33. | In his early work the organism of interest was the mayfly ( Ephemeroptera ).
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| 34. | Their main diets consist of small flies, midges, mayflies, and moths.
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| 35. | At the mouth the mayfly population makes up under 1 % of the macroinvertebrates.
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| 36. | This mayfly may have a shorter life cycle than other members of its genus.
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| 37. | These included two caddisfly genera, two dragonfly genera, and two mayfly genera.
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| 38. | In 1853, Walker first described about two species of mayflies from Sri Lanka.
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| 39. | The surface was covered with small olive mayflies and it was frothing with rising fish.
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| 40. | In its adult stage, the mayfly's life span is a single day.
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