Amasa gibbosa

Taxonomic history

Amasa gibbosa 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): 38.

Diagnosis

3.5−3.6 mm long (mean = 3.53 mm; n = 3); 2.33−2.41 times as long as wide. This 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 glabrousglabrous:
smooth, devoid of vestiture
, smooth, strongly shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
; moderate size; declivitaldeclivital:
pertaining to the elytral declivity
face convexconvex:
appearing rounded
, interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
1 and 2 moderately inflatedinflated:
blown up; distended
from apexapex:
point or edge furthest from the body; opposite of base
to near midpoint of declivitydeclivity:
downward slope of either the pronotum or elytra
; and striaestria:
punctures in rows, which may or may not be impressed to make grooves
1−3 approximately equidistant.

May be confused with

Amasa concitata, A. lini, A. tropidacron, and A. youlii

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 and CAD.

COI: GU808691.1

CAD: GU808616.1