Euwallacea destruens
Euwallacea destruens lateral; R.K. Osborn |
Euwallacea destruens dorsal; R.K. Osborn |
Euwallacea destruens declivity; R.K. Osborn |
Euwallacea destruens frontal; R.K. Osborn |
Taxonomic history
Xyleborus destruens Blandford, 1896b: 221.
Euwallacea destruens (Blandford): Wood, 1989: 173.
Synonyms
Xyleborus barbatus Hagedorn, 1910a: 11. Bright and Skidmore 1997: 4, 149.
Xyleborus barbatulus Schedl, 1934b: 86. Bright and Skidmore 1997: 4, 149.
Xyleborus procerior Schedl, 1942b: 189. Smith et al. 2022b: 162.
Xyleborus pseudobarbatus Schedl, 1942a: 193. Wood 1989: 173.
Xyleborus nandarivatus Schedl, 1950a: 53. Wood 1989: 173.
Xyleborus procerrimus Schedl 1969a: 214. Hulcr & Cognato 2013: 92.
Diagnosis
3.9−4.6 mm long (mean = 4.19 mm; n = 6); 2.54−2.79 times as long as wide. This species is distinguished by its large body size and elongate form; protibia distinctly triangular and with 4−6 denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
in the apicalapex:
point or edge furthest from the body; opposite of base
half; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
commencing at posteriorposterior:
toward the rear end; opposite of anterior
third, steeper than in E. gravelyi, usually appearing concaveconcave:
appearing hollowed out
in laterallateral:
pertaining to the side
view.
May be confused with
Euwallacea gravelyi, Terminalinus pseudopilifer
Distribution
from the Andaman Islands and Southwest China through Southeast Asia to Malaysia, Indonesia, and the Philippines to New Guinea, Australia, and the Pacific islands; recorded in the study region from China (Yunnan), India (Andaman Is), Taiwan, Thailand, Vietnam
Host plants
polyphagous (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.)
Remarks
The species is an important pest of teak (Tectona grandis) (Lamiaceae) in Java and other areas where there is only a short or no dry season (Browne 1968aBrowne 1968a:
Browne FG. 1968a. Pests and diseases of forest plantation trees: An annotated list of the principal species occurring in the British Commonwealth. Clarendon Press, Oxford, xi + 1330 pp., Kalshoven 1962Kalshoven 1962:
Kalshoven LGE. 1962. Note on the habits of Xyleborus destruens Bldf, the near-primary borer of teak trees on Java. Entomologische Berichten, Amsterdam 22: 7-18.).
DNA data
Sequences available for COI and CAD.
COI: MN619927
CAD: MN620201