Xyleborinus exiguus is a species of weevil widely distributed throughout the Old World tropics and introduced to African and South American countries.
Distribution It is native to India, Andaman Islands, Sri Lanka, Cambodia, China, Laos, Myanmar, Nepal, Taiwan, Thailand, Vietnam, Australia, Cook Islands, Micronesia, Fiji, Guam, Indonesia, Malaysia, Mariana Islands, New Guinea, Niue Island, Philippines, Samoa, Solomon Islands, Tahiti. It is also introduced to West African countries such as Angola, Cameroon, Congo, Equatorial Guinea, Gabon, Ghana, Ivory Coast, Zaire as well as in Central American countries: Costa Rica, and Panamá.
Description This small, elongate-cylindrical beetle is about 1.8 to 2.0 mm long. This weevil can be identified by the declivital face with interstriae 2 (region between stripes) which is unarmed by tubercles. Elytral apex is attenuate, with three pairs of large flattened tubercles. The declivital interstriae is flat, and the interstriae 2 is not impressed.
A polyphagous species, it is found from many host plants.
Host plants Afzelia Anacardium excelsum Anthocleista nobilis Artocarpus Bombax malabaricum Brosimum utile Caloncoba Canarium euphyllum Cinnamomum iners Dipterocarpus zeylanicus Durio zibethinus Eucalyptus deglupta Hevea brasiliensis Parkia speciosa Pterocarpus dalbergoides Quercus Samanea saman Staudtia stipitata Symphonia globulifera Terminalia bialata Trichilia Triplochiton scleroxylon
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