Amasa cycloxyster

Taxonomic history

Amasa cycloxyster 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): 33.

Diagnosis

3.4 mm long (n = 1); 3.4 times as long as wide. The species is distinguished by the pronotumpronotum:
the dorsal surface of the thorax
appearing basic (type 2) when viewed dorsally, anterioranterior:
the front or forward; opposite of posterior
margin serrate; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
, dull, opaqueopaque:
appearing dull in luster; referring to a surface which reflects little light
; declivitydeclivity:
downward slope of either the pronotum or elytra
glabrous; declivitaldeclivital:
pertaining to the elytral declivity
interstriae 1−3 multiseriate granulategranulate:
pertaining to a coarse, grainy surface texture
, granulesgranule:
a small rounded protuberance, like grains of sand
strongly confusedconfused:
of markings, having indefinite outlines or running together as lines or spots without definite pattern; usually referring to punctures
; and declivitaldeclivital:
pertaining to the elytral declivity
interstriae convexconvex:
appearing rounded
.

May be confused with

Amasa galeoderma, A. resecta, A. schlichii, and A. versicolor

Distribution

Thailand

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

Sequences available for COI.

COI: MN619808