Cyclorhipidion ohnoi

Taxonomic history

Xyleborus ohnoi Browne, 1980a: 375.

Cyclorhipidion ohnoi (Browne): Beaver and Liu, 2010: 24. 

Diagnosis

4.1−4.2 mm long (mean = 4.15 mm; n = 2); 2.73−2.8 times as long as wide. This species is distinguished by its large size; pronotalpronotal:
pertaining to the pronotum
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
coarsely and densely punctured, strongly shagreenedshagreened:
covered with a closely-set roughness, like shark skin
; elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
shining; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
impressed between suture and striaestria:
punctures in rows, which may or may not be impressed to make grooves
1, interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2 convexconvex:
appearing rounded
; declivitaldeclivital:
pertaining to the elytral declivity
interstriae 1 sparsely granulategranulate:
pertaining to a coarse, grainy surface texture
, interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2 and 3 each with a row of widely spaced large tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
, those on interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2 larger.

May be confused with

Cyclorhipidion denticauda, C. petrosum, and C. pilipenne

Distribution

Taiwan

Host plants

recorded only from Quercus (Beaver and Liu 2010Beaver and Liu 2010:
Beaver RA, Liu L-Y. 2010. An annotated synopsis of Taiwanese bark and ambrosia beetles, with new synonymy, new combinations and new records (Coleoptera: Curculionidae: Scolytinae). Zootaxa 2602: 1-47. https://doi.org/10.11646/zootaxa.2602.1.1) and Lithocarpus (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

Sequences available for COI and CAD.

COI: MN619897

CAD: MN620181