Xyleborinus ephialtodes
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Xyleborinus ephialtodes holotype lateral; S.M. Smith |
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Xyleborinus ephialtodes holotype dorsal; S.M. Smith |
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Xyleborinus ephialtodes holotype declivity; S.M. Smith |
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Xyleborinus ephialtodes holotype frontal; S.M. Smith |
Taxonomic history
Xyleborinus ephialtodes 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): 344.
Diagnosis
2.6 mm long (n = 1); 2.6 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 granulategranulate:
pertaining to a coarse, grainy surface texture
, 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 5 pairs of moderate, narrow, sharply pointed spinesspine:
an elongate projection of the exoskeleton that is longer than its basal width
of equal size; sulcatesulcate:
deeply furrowed or grooved
area of declivitydeclivity:
downward slope of either the pronotum or elytra
shagreened, dull; and stout body.
May be confused with
Xyleborinus artestriatus, X. echinopterus, X. kwangruengensis, X. octiesdentatus, X. schaufussi, X. speciosus, and X. spinipennis
Distribution
China (Fujian)
Host plants
known from Schima (Theaceae) (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
