Cyclorhipidion petrosum
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Cyclorhipidion petrosum holotype lateral; R.K. Osborn |
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Cyclorhipidion petrosum holotype dorsal; R.K. Osborn |
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Cyclorhipidion petrosum holotype declivity; R.K. Osborn |
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Cyclorhipidion petrosum holotype frontal; R.K. Osborn |
Taxonomic history
Cyclorhipidion petrosum 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): 196.
Diagnosis
3.9−4.1 mm long (mean = 4.02 mm; n = 5); 2.58−2.73 times as long as wide. This species can be distinguished by large size; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
slope gentle, gradual; separation between the smooth, shiningshining:
appearing glossy or bright in luster; referring to a surface that is polished and reflects light well
elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
and shagreenedshagreened:
covered with a closely-set roughness, like shark skin 
declivitydeclivity:
downward slope of either the pronotum or elytra
gradual, not sharply distinct; declivitaldeclivital:
pertaining to the elytral declivity
striae weakly impressedimpressed:
a depression in a surface
; strial punctures small, indistinct; declivitaldeclivital:
pertaining to the elytral declivity
interstriae armed with a row of somewhat confusedconfused:
of markings, having indefinite outlines or running together as lines or spots without definite pattern; usually referring to punctures
dense granules; elytralelytral:
pertaining to the elytra
apexapex:
point or edge furthest from the body; opposite of base
and posterolateralposterolateral:
relating to end of the side part/portion
margin armed with granulesgranule:
a small rounded protuberance, like grains of sand
.
May be confused with
Cyclorhipidion denticauda, C. ohnoi, and C. pilipenne
Distribution
China (Fujian, Yunnan), Laos, Thailand, Vietnam
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
Sequences available for COI and CAD.
