Cyclorhipidion miyazakiense

Taxonomic history

Xyleborus miyazakiensis Murayama, 1936: 144.

Cyclorhipidion miyazakiense (Murayama): Smith et al., 2018b: 395.

Synonyms

Xyleborus armipennis Schedl, 1953c: 27. Smith et al., 2018b: 395.

Xyleborus wakayamensis Nobuchi, 1981a: 144. Smith et al., 2018b: 395.

Diagnosis

2.6−3.0 mm long (mean = 2.87 mm; n = 4); 2.5−2.8 times as long as wide. This species can be distinguished by the elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
with a shallow median saddle-like impression; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
very steep; posterolateralposterolateral:
relating to end of the side part/portion
margin of elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
carinate to interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
5; elytralelytral:
pertaining to the elytra
apexapex:
point or edge furthest from the body; opposite of base
bearing two single triangular spinesspine:
an elongate projection of the exoskeleton that is longer than its basal width
at interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
1 and 3 that are at least the width of an interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
(additional smaller denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
may be present along posterolateralposterolateral:
relating to end of the side part/portion
margin of declivitydeclivity:
downward slope of either the pronotum or elytra
); and declivitaldeclivital:
pertaining to the elytral declivity
face unarmed by tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
.

May be confused with

Cyclorhipidion armiger, C. bispinum, C. laciniosum, C. obesulum, and C. xyloteroides

Distribution

China (Fujian, Guangxi, Sichuan, Yunnan), Japan, Thailand, Vietnam

Host plants

recorded only from Castanopsis and Quercus (Fagaceae) (Murayama 1936Murayama 1936:
Murayama J. 1936. Notes sur les Scolytides (Coleacute;optegrave;res) de Honshucirc; et Kiushucirc;, Japon. Tenthredo 1: 121-149., Beaver et al. 2014)

DNA data

Sequences available for COI and CAD.

COI: OM866993

CAD: OM891113