Xyleborus arquatus | |
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Species: | X. exiguus |
Binomial name | |
Xylosandrus arquatus (Sampson, 1912) | |
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Xylosandrus arquatus, is a species of weevil endemic to Sri Lanka. [1] [2]
Body length of the female ranges from 2.3 to 2.5 mm. Pronotum light brown and distinctly lighter than elytra. Elytra black in color. Antennae and legs are light brown. Antennae consists with 5 funicular segments and obliquely truncate club. Pronotal vestiture of semi-appressed and hairy setae. Pronotal base covered with a dense patch of short and erect setae. This patch indicates the presence of pronotal-mesonotal mycangium. Pronotal disc is moderately granulate. Pronotum is with lateral non-carinate costa. Protibiae, mesotibiae and metatibiae with 8 each socketed teeth. Distal striae is punctate whereas elytral interstriae is uniseriately punctate. Elytral disc gradually curving into declivity which is convex and with six striae. [3]
Mainly a seedling borer, the host plants of the species include, Cinnamomum zeylanicum , Symplocos loha and Neolitsea cassia . [3] [4]
Cebrionini is a tribe of click beetles from the family Elateridae; formerly ranked as a subfamily or family, they are now considered a tribe within the subfamily Elaterinae.
Mecodema genesispotini is a species of ground beetle found in a small native forest remnant, between paddocks and pine forest, in the Waimata Valley, northwest of Gisborne, New Zealand.
Liatongus rhadamistus, or Scaptodera rhadamistus, is a species of dung beetle found in India, Sri Lanka, Laos and Thailand.
Phaeochrous is a genus of beetles belonging to the family Hybosoridae. The species are widely distributed over tropical Africa, Madagascar, Aldabra, Yemen, South Asia, South-East Asia, New Guinea and Oceanian islands, as well as North and West Australia.
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.
Cryphalogenes exiguus, is a species of weevil found in 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.
Xylosandrus discolor, is a species of weevil found in Australia, Micronesia, Myanmar, China, India, Sri Lanka, Indonesia, Malaysia, Taiwan and Thailand.
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.
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.
Jauravia pallidula, is a species of lady beetle native to India, and Sri Lanka.
Jauravia albidula, is a species of lady beetle endemic to Sri Lanka.
Acalyptomerus asiaticus, is a species of fringe-winged beetle found in India, Sri Lanka, Malaysia and Thailand. It is also introduced to Jamaica.