Cyclorhipidion muticum

Taxonomic history

Cyclorhipidion muticum 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): 191.

Diagnosis

4.0 mm long (n = 3); 2.67 times as long as wide. This species can be distinguished by the large size; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
obliquely truncatetruncate:
appearing cut off or suddenly shortened
, strongly shagreenedshagreened:
covered with a closely-set roughness, like shark skin
and dull; pronotumpronotum:
the dorsal surface of the thorax
longer than wide subquadratesubquadrate:
almost quadrate, with oblique corners
from dorsaldorsal:
of or relating to the upper surface; opposite of ventral
view (type 3); and declivitaldeclivital:
pertaining to the elytral declivity
interstrial punctures replaced by a single row of tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
.

May be confused with

Cyclorhipidion amasoides, C. amputatum, C. circumcisum, C. trucaudinum, and C. umbratum, all of which are large and have an obliquely truncateobliquely truncate:
nearly truncate but rounded not flat in lateral view
or truncatetruncate:
appearing cut off or suddenly shortened
declivity

Distribution

China (Yunnan), India (Arunachal Pradesh)

Host plants

unknown (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