Xyleborus sunisae

Taxonomic history

Xyleborus sunisae Smith, Beaver & Cognato 2020 (in Smith et al. 2020bSmith et al. 2020b:
Smith SM, Beaver RA, and Cognato AI. 2020b. A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630): 379.

Diagnosis

2.7−2.75 mm long (mean = 2.73 mm; n = 4); 3.24−3.38 times as long as wide. This species is distinguished by its elongate form, the presence of denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
or granulesgranule:
'a small rounded protuberance, like grains of sand
on all declivitaldeclivital:
pertaining to the elytral declivity
interstriae, including interstriaeinterstria:
'longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2, the widening of declivitaldeclivital:
pertaining to the elytral declivity
interstriae 1 from the basebase:
point or edge closest to the body; opposite of apex
of the declivitydeclivity:
downward slope of either the pronotum or elytra
to the apexapex:
point or edge furthest from the body; opposite of base
; declivitaldeclivital:
pertaining to the elytral declivity
striae not impressedimpressed:
'a depression in a surface
; posterolateralposterolateral:
'relating to end of the side part/portion
margin of declivitydeclivity:
downward slope of either the pronotum or elytra
costate and bearing a row of spinose granulesgranule:
'a small rounded protuberance, like grains of sand
to interstriaeinterstria:
'longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
7; and discaldiscal:
pertaining to the disc of either the pronotum or elytra
interstriae with punctures much finer than strial punctures, very widely spaced.

May be confused with

Xyleborus muticus

Distribution

China (Yunnan), Thailand

Host plants

recorded only from an unidentified species of Fagaceae (Smith et al. 2020bSmith et al. 2020b:
Smith SM, Beaver RA, and Cognato AI. 2020b. A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630)

DNA data

specimens not available for sequencing