Tricosa jacula
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Tricosa jacula holotype lateral; R.K. Osborn |
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Tricosa jacula holotype dorsal; R.K. Osborn |
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Tricosa jacula holotype declivity; R.K. Osborn |
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Tricosa jacula holotype frontal; R.K. Osborn |
Taxonomic history
Tricosa jacula Cognato, Smith and Beaver: (in Cognato et al. 2020aCognato et al. 2020a:
Cognato AI, Smith SM, Beaver RA. 2020a. Two new genera of Oriental xyleborine ambrosia beetles (Coleoptera, Curculionidae: Scolytinae). Zootaxa 4722: 540-554. https://doi.org/10.11646/zootaxa.4722.6.2): 549.
Diagnosis
3.2 mm long (n = 1); 2.91 times as long as wide. This species can be distinguished by the elytralelytral:
pertaining to the elytra
discaldiscal:
pertaining to the disc of either the pronotum or elytra
striae and interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
clearly uniseriate punctatepunctate:
set with fine impressed points, appearing as pin pricks
; anterior margin of the pronotumpronotum:
the dorsal surface of the thorax
unarmed; and protibiaprotibia:
tibia of the first pair of legs
distinctly triangular.
May be confused with
Fraudatrix melas and T. metacuneolus
Distribution
China (Guizhou)
Host plants
reported from Populus (Salicaceae) (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: MN199588
CAD: MN199605
