Xylosandrus discolor

Xylosandrus discolor
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Cucujiformia
Family:	Curculionidae
Genus:	Xylosandrus
Species:	X. discolor
Binomial name
Xylosandrus discolor (Blanford, 1898)
Synonyms
Xyleborus discolorBlanford, 1898 Xyleborus posticestriatusEggers, 1939 Xylosandrus posticestriatus(Eggers): Nunberg, 1959

Xylosandrus discolor is a species of weevil found in Australia, Micronesia, Myanmar, China, India, Sri Lanka, Indonesia, Malaysia, Taiwan and Thailand. ^{[1] [2] [3]}

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. ^[4]

A polyphagous species, it is found in many plants. ^{[4] [5]} It is primarily a shoot borer. ^[6]

Host plants

• Ailanthus altissima
• Albizia
• Allamanda cathartica
• Bauhinia variegata
• Camellia sinensis
• Cassia multijuga
• Castanopsis fargesii
• Cedrela toona
• Chloroxylon swietenia
• Coffea arabica
• Coffea robusta
• Hevea brasiliensis
• Juglans nigra
• Machilus indica
• Mangifera indica
• Persea americana
• Pterospermum acerifolium
• Rhus chinensis
• Sophora japonica
• Swietenia mahagoni
• Tephrosia candida
• Terminalia myriocarpa
• Terminalia procera
• Theobroma cacao
• Vitis vinifera

References

1. Dole, Stephanie A.; Beaver, Roger A. (December 2008). "A Review of the Australian Species of Xylosandrus Reitter (Coleoptera: Curculionidae: Scolytinae)" . The Coleopterists Bulletin. 62 (4): 481–492. doi:10.1649/1108.1. S2CID   86161253 . Retrieved 2021-09-05.
2. Dole, Stephanie A.; Jordal, Bjarte H.; Cognato, Anthony I. (2010-03-01). "Polyphyly of Xylosandrus Reitter inferred from nuclear and mitochondrial genes (Coleoptera: Curculionidae: Scolytinae)" . Molecular Phylogenetics and Evolution. 54 (3): 773–782. doi:10.1016/j.ympev.2009.11.011. PMID   19925873 . Retrieved 2021-09-05.
3. "Bark and Ambrosia Beetles of, Xylosandrus discolor (Blandford 1898)". www.barkbeetles.info. Retrieved 2021-09-05.
4. "Phylogenetic revision of Xylosandrus Reitter (Coleoptera: Curculionidae: Scolytinae: Xyleborina)". Proceedings of the California Academy of Sciences Volume: 61 :451-545. Retrieved 2021-09-05.
5. "Xylosandrus discolor ((Blandford, 1898)). [pest/pathogen]". www.cabdirect.org. Retrieved 2021-09-05.
6. "Knowledge Bank: Xylosandrus discolor". Plantwiseplus Knowledge Bank. Species Pages. 22 November 2019. doi: 10.1079/pwkb.species.57236 . Retrieved 2021-09-05.