Xyleborus discolor | |
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Species: | X. discolor |
Binomial name | |
Xylosandrus discolor (Blanford, 1898) | |
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Xylosandrus discolor, is a species of weevil found in Australia, Micronesia, Myanmar, China, India, Sri Lanka, Indonesia, Malaysia, Taiwan and Thailand. [1] [2] [3]
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. [4]
A polyphagous species, it is found in many plants. [4] [5] It is primarily a shoot borer. [6]
Xylosandrus crassiusculus, known generally as the Asian ambrosia beetle or granulate ambrosia beetle, is a species of tropical bark beetle in the family Curculionidae. It is native to Asia and has spread to Africa, Europe, Australasia and the Americas. The adult beetle is reddish-brown and some 2 to 3 mm long.
Bolboceras insulare, is a species of dor beetle found in India, and Sri Lanka.
Ilamelmis starmuhlneri, is a species of riffle beetle found in Sri Lanka.
Harmatelia bilinea, is a species of firefly beetle endemic to Sri Lanka.
Euwallacea piceus, is a species of weevil native to Oriental Asia but introduced to African and other Westerns Pacific parts of the world. It is a serious pest in tropical and subtropical parts of the Americas.
Hypoborus ficus, the fig bark beetle, is a species of weevil found in many European, Mediterranean and Asian countries.
Xyleborinus andrewesi, is a species of weevil widely distributed throughout the Old World tropics and introduced to many New World countries.
Xylosandrus arquatus, is a species of weevil endemic to Sri Lanka.
Debus emarginatus, is a species of weevil widely distributed throughout the Old World tropics.
Xylosandrus mancus, is a species of weevil found in Afrotropical and Oriental regions.
Xylosandrus morigerus, is a species of weevil widespread throughout Afrotropical, Australian, Neotropical, Oceania and Oriental regions. It is also introduced to Palearctic regional countries.
Xylosandrus pygmaeus, is a species of weevil found in Indonesia, Malaysia and Sri Lanka.
Cnestus gravidus is a species of weevil found in Bangladesh, Sri Lanka, India, Myanmar, Laos, Thailand, Vietnam and China.
Euwallacea perbrevis, commonly known as tea shot-hole borer, is a species of weevil native to South and South-East Asia through to Australia, but introduced to Western countries.
Arixyleborus malayensis, is a species of weevil found in India, Sri Lanka, China, Japan, Malaysia, Vietnam and Indonesia. This is the only species of Arixyleborus found in Japan and China.
Arixyleborus mediosectus, is a species of weevil found in India, Sri Lanka, Cambodia, Myanmar, Philippines, Malaysia, Indonesia: Sumatra and Vietnam.
Arixyleborus rugosipes, is a species of weevil native to India, Sri Lanka, Philippines, Malaysia, Borneo, Vietnam, Indonesia, and in Australia, Japan, Korea, New Zealand as an exotic species.
Diuncus haberkorni, is a species of weevil found in India, Sri Lanka, Bangladesh, Taiwan, Java, Japan, Malaysia, New Guinea, South Korea, Taiwan, Thailand, and Vietnam. It is also imported to African countried such as South Africa, and Tanzania.
Acalyptomerus asiaticus, is a species of fringe-winged beetle found in India, Sri Lanka, Malaysia and Thailand. It is also introduced to Jamaica.
Cryphalus dorsalis is a small bark beetle, 1.60–1.90 mm long and found in southern parts of Asia with a distribution range from India in the west to Java (Indonesia), the Philippines and southern China in the east. Little information is available on its biology, even on its host plants. In a detailed re-description of the species based on light trap material and specimens without host plant records, Johnson et al. (2020) mentioned that fir (Abies) has been cited as a host plant in one publication which recorded it from Hainan Island (China) where Abies does not grow.