Xyleborinus exiguus

Xyleborinus exiguus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Curculionidae
Genus:	Xyleborinus
Species:	X. exiguus
Binomial name
	Xyleborinus exiguus; (Walker, 1859)
Synonyms
	Bostrichus exiguus Walker, 1859 ; Xyleborinus exiguus (Walker): Maiti and Saha, 1986 ; Xyleborus muriceus Eichhoff, 1878 ; Xyleborus diversus Schedl, 1954 ; Xyleborus perexiguus Schedl, 1971 ; Xyleborus ankius Schedl, 1975 ; Xyleborinus diversus (Schedl 1954) ; Xyleborinus perexiguus (Schedl 1971) ; Xyleborinus ankius (Schedl 1975) ;

Xyleborinus exiguus, is a species of weevil widely distributed throughout the Old World tropics and introduced to African and South American countries.^[1]^[2]

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.^[3]

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 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.^[3]^[4]

A polyphagous species, it is found from many host plants.^[1]^[5]

Host plants

References

^ ^a ^b "Bark and Ambrosia Beetles of, Xyleborinus exiguus (Walker 1859) (introduced)". www.barkbeetles.info. Retrieved 2021-09-04.
^ Eliassen, Jonas M; Jordal, Bjarte H (2021-05-01). "Integrated Taxonomic Revision of Afrotropical Xyleborinus (Curculionidae: Scolytinae) Reveals High Diversity After Recent Colonization of Madagascar". Insect Systematics and Diversity. 5 (3). doi:10.1093/isd/ixab011. Retrieved 2021-09-04.
^ ^a ^b "SE Asian Ambrosia Beetle ID: Fact sheet". idtools.org. Retrieved 2021-09-04.
^ "Ongoing invasions of old-growth tropical forests: establishment of three incestuous beetle species in southern Central America (Curculionidae: Scolytinae)" (PDF). zootaxa. Retrieved 2021-09-04.
^ Beaver, R. A.; Sittichaya, W.; Liu, L-Y. (2014-10-21). "Xyleborinus exiguus". doi:10.5281/zenodo.5131050. Retrieved 2021-09-04.

[exi-1] "Bark and Ambrosia Beetles of, Xyleborinus exiguus (Walker 1859) (introduced)". www.barkbeetles.info. Retrieved 2021-09-04.

[2] Eliassen, Jonas M; Jordal, Bjarte H (2021-05-01). "Integrated Taxonomic Revision of Afrotropical Xyleborinus (Curculionidae: Scolytinae) Reveals High Diversity After Recent Colonization of Madagascar". Insect Systematics and Diversity. 5 (3). doi:10.1093/isd/ixab011. Retrieved 2021-09-04.

[sheet-3] "SE Asian Ambrosia Beetle ID: Fact sheet". idtools.org. Retrieved 2021-09-04.

[4] "Ongoing invasions of old-growth tropical forests: establishment of three incestuous beetle species in southern Central America (Curculionidae: Scolytinae)" (PDF). zootaxa. Retrieved 2021-09-04.

[5] Beaver, R. A.; Sittichaya, W.; Liu, L-Y. (2014-10-21). "Xyleborinus exiguus". doi:10.5281/zenodo.5131050. Retrieved 2021-09-04.

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