Xyleborinus sculptilis
Xyleborinus sculptilis paratype lateral; R.K. Osborn |
Xyleborinus sculptilis paratype dorsal; R.K. Osborn |
Xyleborinus sculptilis paratype declivity; R.K. Osborn |
Xyleborinus sculptilis paratype frontal; R.K. Osborn |
Taxonomic history
Xyleborus sculptilis Schedl, 1964b: 247.
Xyleborinus sculptilis (Schedl): Wood and Bright, 1992: 816.
Diagnosis
2.1−2.25 mm long (mean = 2.16 mm; n = 4); 2.81−3.14 times as long as wide. This species is distinguished by the posteriorposterior:
toward the rear end; opposite of anterior
margin of elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
broadly rounded; declivitaldeclivital:
pertaining to the elytral declivity
face with interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
1 and 2 unarmed by tubercles; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
face weakly sulcatesulcate:
deeply furrowed or grooved
; small body size; laterallateral:
pertaining to the side
declivitaldeclivital:
pertaining to the elytral declivity
margins feebly elevated, bearing 3 small pairs of sharply pointed denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
, denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
increasing in size from basebase:
point or edge closest to the body; opposite of apex
to apexapex:
point or edge furthest from the body; opposite of base
; sulcatesulcate:
deeply furrowed or grooved
area punctatepunctate:
set with fine impressed points, appearing as pin pricks
, surface smooth, opalescentopalescent:
iridescent, showing vaying colors
; and elongate body form.
May be confused with
Xyleborinus cuneatus, X. disgregus, and X. jianghuasuni
Distribution
Brunei, Laos, East Malaysia, Taiwan, Thailand
Host plants
recorded from Artocarpus (Moraceae) and Mangifera (Anacardiaceae) (Schedl 1964bSchedl 1964b:
Schedl KE. 1964b. Scolytoidea from Borneo III. 185. Contribution to the morphology and taxonomy of the Scolytoidea. Reichenbachia 4: 241-254., Sittichaya 2012Sittichaya 2012:
Sittichaya W. 2012. Bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae and Platypodinae) infesting mango trees ( Mangifera indica L.) in Southern Thailand, with new species recorded for Thailand. Songklanakarin Journal of Science and Technology 34: 153-155.)
DNA data
specimens not available for sequencing