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Insect Morphology and SystematicsInsect Morphology and Systematics
6. CURCULIONIDAE (Weevils, snout beetles)
Minute to large sized insects.
Frons and vertex of the head are produced into snout. It is cylindrical and in some species
larger than the beetle itself.
Mouthparts (Mandibles and maxillae) are present at the tip of the snout. It is useful to feed
on internal tissues of the plant and provide a place for egg laying.
Antenna is geniculate and found usually in the middle of the snout.
Grubs are apodous and eucephalous.
Weevils are important crop pests occuring both in field and storage.
Coconut red palm weevil:
Rhynchophorus ferrugineus
.
Insect Morphology and Systematics
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