Xyleborinus echinopterus
Xyleborinus echinopterus holotype lateral; R.K. Osborn |
Xyleborinus echinopterus dorsal; R.K. Osborn |
Xyleborinus echinopterus holotype declivity; R.K. Osborn |
Xyleborinus echinopterus holotype frontal; R.K. Osborn |
Taxonomic history
Xyleborinus echinopterus 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): 342.
Diagnosis
3.0 mm long (n = 1); 2.73 times as long as wide. This species is distinguished by the posteriorposterior:
toward the rear end; opposite of anterior
margin of elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
broadly rounded; declivitaldeclivital:
pertaining to the elytral declivity
face with interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
1 and 2 unarmed by tubercles; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
face weakly sulcatesulcate:
deeply furrowed or grooved
; large body size; laterallateral:
pertaining to the side
declivitaldeclivital:
pertaining to the elytral declivity
margins elevated, bearing 2−4 pairs of small, narrow, sharply pointed spinesspine:
an elongate projection of the exoskeleton that is longer than its basal width
of equal size (often asymmetric) on sulcatesulcate:
deeply furrowed or grooved
/3 of declivitydeclivity:
downward slope of either the pronotum or elytra
; sulcatesulcate:
deeply furrowed or grooved
area of 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
; and stout body.
May be confused with
Xyleborinus artestriatus, X. ephialtodes, X. kwangruengensis, X. octiesdentatus, X. schaufussi, X. speciosus, and X. spinipennis
Distribution
China (Hong Kong)
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