Debus emarginatus

Last updated

Debus emarginatus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Phytophaga
Superfamily:
Curculionoidea
Family:
Curculionidae
Genus:
Debus
Species:
D. emarginatus
Binomial name
Debus emarginatus
(Eichhoff, 1878)
Synonyms
  • Xyleborus emarginatusEichhoff 1878
  • Xyleborus exesusBlandford, 1894
  • Xyleborus chinchonaeVeen, 1897
  • Xyleborus cordatusHagedorn, 1910
  • Coptoborus palmeriHopkins, 1915
  • Coptoborus terminaliaeHopkins, 1915
  • Xyleborus emarginatus semicircularisSchedl, 1973
  • Xyleborus terminalieaHopkins, 1915
  • Coptoborus terminaliae(Hopkins) Wood and Bright, 1992
  • Xyleborus exesusBlandford, 1894
  • Xyleborus palmeriHopkins, 1915
  • Coptoborus palmeri(Hopkins): Wood & Bright, 1992

Debus emarginatus, is a species of weevil widely distributed throughout the Old World tropics. [1]

Contents

Distribution

It is native to China, India, Sri Lanka, Indonesia, Japan, Laos, Malaysia, Myanmar, Philippines, South Korea, Thailand, Vietnam, Australia, Papua New Guinea and Solomon Islands. [2]

Description

The average length of the species is about 3.3 to 3.6 mm. The postero-lateral extensions of elytra are short, and less than the width of apical emargination. The declivity is shallowly excavated. Elytral declivity clearly, confusedly punctate. [3] [4]

Host plants

A polyphagous pest, it is found from many host plants. [5] [6]

Control

It is a high-risk quarantine pest where they show inbreeding, with the males generally mating with their sisters within the parental gallery system before dispersal. Adult beetle does not actually feed on the plant material but uses it as a medium for growing the fungus which is the larval food. [2] They are mostly found in felled timber. Attacked plants show signs of wilting, branch die-back, shoot breakage, chronic debilitation, sun-scorch or a general decline in vigour. [7]

References

  1. ↑ Hulcr, Jiri (2010-09-17). "Taxonomic changes in palaeotropical Xyleborini (Coleoptera, Curculionidae, Scolytinae)". ZooKeys (56): 105–119. Bibcode:2010ZooK...56..105H. doi: 10.3897/zookeys.56.520 . PMC   3088323 . PMID   21594174 . Retrieved 2021-09-05.
  2. 1 2 "Xyleborus emarginatus". www.cabi.org. Retrieved 2021-09-05.
  3. ↑ "SE Asian Ambrosia Beetle ID | Fact sheet". idtools.org. Retrieved 2021-09-05.
  4. ↑ "Debus species". www.ambrosiasymbiosis.org. Retrieved 2021-09-05.
  5. ↑ "Bark and Ambrosia Beetles of, Debus emarginatus (Eichhoff 1878)". www.barkbeetles.info. Retrieved 2021-09-05.
  6. ↑ "Xyleborus emarginatus (Eichhoff). [pest/pathogen]". www.cabdirect.org. Retrieved 2021-09-05.
  7. ↑ "Knowledge Bank: Xyleborus emarginatus". www.plantwise.org. Retrieved 2021-09-05.
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.