Xyleborinus subspinosus
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Xyleborinus subspinosus holotype dorsal; A.I. Cognato |
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Xyleborinus subspinosus holotype lateral; A.I. Cognato |
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Xyleborinus subspinosus holotype declivity; A.I. Cognato |
Taxonomic history
Xyleborus subspinosus Eggers, 1930: 203.
Xyleborinus subspinosus (Eggers): Saha and Maiti, 1987: 73.
Diagnosis
2.3 mm long (Eggers 1930Eggers 1930:
Eggers H. 1930. Neue Xyleborus -Arten (Col. Scolytidae) aus Indien. Indian Forest Records, Entomology Series 14: 177-208.). This species is distinguished from other Southeast Asian species by the unique sculpturing of the elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
with interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
1 unarmed and interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
2−3 denticulatedenticulate:
covered in denticles
along their lengths.
May be confused with
Xyleborinus attenuatus, X. saxesenii, X. subgranulatus, and X. thaiphami
Distribution
India (Assam)
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
