Arixyleborus titanus
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Arixyleborus titanus holotype lateral; R.K. Osborn |
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Arixyleborus titanus holotype dorsal; R.K. Osborn |
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Arixyleborus titanus holotype declivity; R.K. Osborn |
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Arixyleborus titanus holotype frontal; R.K. Osborn |
Taxonomic history
Arixyleborus titanus 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): 135.
Diagnosis
5.2 mm long (n = 1); 2.6 times as long as wide. This species is distinguished by the large size; elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
with deep transverse saddle-like depression; protibiaprotibia:
tibia of the first pair of legs
posterior face flat and unarmed; antennalantennal:
pertaining to the antennae
club broader than tall; and posterolateralposterolateral:
relating to end of the side part/portion
carinacarina:
an elevated ridge or keel, not necessarily high or acute
oblique, granulategranulate:
pertaining to a coarse, grainy surface texture
.
May be confused with
Distribution
China (Yunnan)
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
