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Stylet


[R] Piercing set of mouthparts of invertebrate animals feeding on non-exposed liquids (sap, plant juices, haemolymph, blood, etc.), e.g. insects (*) (*) (*) ), mites and plant-parasitic nematodes (*) .

[R] Images

* Aphid rostrum (Aphidoidea) (INRA)
Ventral view.
Rostrum at rest between fore and mid coxae.
a: rostrum; b: antenna (sectionned); c: compound eye; d: fore leg and mid leg.
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* Bug rostrum (Hemiptera) (INRA)
a: insertion of the antenna; b: compound eye; c: labrum; d: rostrum (modified labium); e: mandibulary stylets; f: maxillary stylets (in e and f, stylets were extracted out of the rostrum).
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* Scales (Diaspididae) (INRA)
Adult female setteld on her plant-host (at left, section view).
a: scale (nymphal exuviae); b: body of the female; c: eggs; d: plant tissue; e: stylets in the setal shealth (consisting in hardened saliva).
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* Nematoda (INRA)
a: stylet; b; oesophagus: c: bulbe musculeux; d: gut; e: cuticula; f: sex organs; g: anus.
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