Xylosandrus discolor


Xylosandrus discolor is a species of weevil found in Australia, Micronesia, Myanmar, China, India, Sri Lanka, Indonesia, Malaysia, Taiwan and Thailand.

Description

Body length of the female ranges from 1.8 to 2.0 mm. Body bicolored. Pronotum light brown. Elytra dark brown. Antennae and legs are yellowish brown. Antennea with 5 funicular segments and obliquely truncate club. Pronotal vestiture of erect and hairy setae. Pronotal base covered with a dense patch of short erect setae. Pronotal disc is densely asperate-punctate. Pronotum consists with lateral costa and carina. Protibiae with 4 to 5 socketed teeth, whereas mesotibiae and metatibiae with 8 to 9 socketed teeth. In elytra, discal striae and interstriae multiseriate is punctate. Diclivital elytral face is steep and abruptly separated from disc. Elytral striae coarsely granulate with appressed hairy setae.
A polyphagous species, it is found in many plants. It is primarily a shoot borer.

Host plants

Ailanthus altissimaAlbiziaAllamanda catharticaBauhinia variegataCamellia sinensisCassia multijugaCastanopsis fargesiiCedrela toonaChloroxylon swieteniaCoffea arabicaCoffea robustaHevea brasiliensisJuglans nigraMachilus indicaMangifera indicaPersea americanaPterospermum acerifoliumRhus chinensisSophora japonicaSwietenia mahagoniTephrosia candidaTerminalia myriocarpaTerminalia proceraTheobroma cacao