AI Article Synopsis
- The grape weevil, Naupactus xanthographus, is a harmful insect from southern South America that damages grapevines and other fruits.
- Researchers studied the structure of its antennae and sensory organs using advanced microscopy techniques, identifying various types of sensory structures.
- The study found no differences between male and female weevils in their sensory structures and discussed the potential functions of these sensory structures based on their design.
Article Abstract
The grape weevil, Naupactus xanthographus Germar (Coleoptera: Curculionidae), is a polyphagous insect native to southern South America that causes considerable damage in grape and other fruit species. In this study, the morphology and ultrastructure of the antennae and the antennal sensilla of N. xanthographus were investigated using scanning electron microscopy and transmission electron microscopy. The antennae consist of a scape, a pedicel, a funicle, and a zone called the "club," which are all formed by a total of 12 antennomers. Different types of sensilla were observed: sensilla trichoidea, sensilla chaetica type 1 and 2, sensilla basiconica, and sensilla rod-like. No sexual dimorphism was observed. The possible functions of the sensilla are discussed in relation to their morphology and ultrastructure.
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| http://dx.doi.org/10.1002/jemt.23014 | DOI Listing |
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