Microperus minax

Taxonomic history

Microperus minax 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): 293.

Diagnosis

1.95−2.0 mm long (mean = 1.98 mm; n = 2); 2.79−2.86 times as long as wide. This species is distinguished by the declivitaldeclivital:
pertaining to the elytral declivity
interstriae densely covered with long erecterect:
pertaining to setae that have their apices directed away from the body and appear straight
hair-like setae; elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
medially convexconvex:
appearing rounded
, appearing humped; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
long, gradual; all declivitaldeclivital:
pertaining to the elytral declivity
interstriae uniformly granulategranulate:
pertaining to a coarse, grainy surface texture
from basebase:
point or edge closest to the body; opposite of apex
to apexapex:
point or edge furthest from the body; opposite of base
; declivitaldeclivital:
pertaining to the elytral declivity
face convexconvex:
appearing rounded
; and posterolateralposterolateral:
relating to end of the side part/portion
carinacarina:
an elevated ridge or keel, not necessarily high or acute
granulate; antennalantennal:
pertaining to the antennae
club truncatetruncate:
appearing cut off or suddenly shortened
, type 2 with one suture visible on posteriorposterior:
toward the rear end; opposite of anterior
face near apexapex:
point or edge furthest from the body; opposite of base
; and elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
smooth, shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
.

May be confused with

Microperus diversicolor and M. kadoyamaensis

Distribution

Vietnam

Host plants

recorded from Terminalia myriocarpa (Combretaceae) (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: MN619975; MN619976

CAD: MN620252