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nymphal

nymphal Sentence Examples

  • After another moult the insect passes into the passive nymphal or " pupal " stage, during which it takes no food and rests in some safe hiding-place, such as the soil at the base of its food-plant or the hollow of a leaf-stalk.

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  • But examples are not wanting of a more or less complete resting habit during the latest nymphal instar.

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  • After a prolonged aquatic larval and nymphal life-history, the winged insect appears as a sub-imago, whence, after the casting of a delicate cuticle, the true imago emerges.

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  • - a, Cast-off nymphal skin of Bed-bug (Cimex lectularius); b, Second instar after emergence from a; c, The same after a meal.

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  • CUCKOO-SPIT, a frothy secretion found upon plants, and produced by the immature nymphal stage of various plant-lice of the familiar Cercopidae and Jassidae, belonging to the homopterous division of the Hemiptera, which in the adult condition are sometimes called frog-hoppers.

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  • Hagen not to be functional in the adult insect - they are merely survivals from the aquatic nymphal stage.

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  • metamorphosis simple, usually with six nymphal stages before reaching maturity, although some wingless forms may have fewer stages.

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  • After another moult the insect passes into the passive nymphal or " pupal " stage, during which it takes no food and rests in some safe hiding-place, such as the soil at the base of its food-plant or the hollow of a leaf-stalk.

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  • But examples are not wanting of a more or less complete resting habit during the latest nymphal instar.

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  • After a prolonged aquatic larval and nymphal life-history, the winged insect appears as a sub-imago, whence, after the casting of a delicate cuticle, the true imago emerges.

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  • - a, Cast-off nymphal skin of Bed-bug (Cimex lectularius); b, Second instar after emergence from a; c, The same after a meal.

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  • In all Hemiptera the wing-rudiments develop externally on the nymphal cuticle, but in some families - the cicads for example - the young insect (fig.

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  • CUCKOO-SPIT, a frothy secretion found upon plants, and produced by the immature nymphal stage of various plant-lice of the familiar Cercopidae and Jassidae, belonging to the homopterous division of the Hemiptera, which in the adult condition are sometimes called frog-hoppers.

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  • Hagen not to be functional in the adult insect - they are merely survivals from the aquatic nymphal stage.

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  • Again, in Ornithodorus monbata, which is parasitic apparently only at night, the young does not hatch from the egg until it has attained the nymphal stage.

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