Ambrosiophilus caliginestris


  Ambrosiophilus   caliginestris  holotype lateral; R.K. Osborn 

Ambrosiophilus caliginestris holotype lateral; R.K. Osborn 


  Ambrosiophilus   caliginestris  holotype dorsal; R.K. Osborn 

Ambrosiophilus caliginestris holotype dorsal; R.K. Osborn 


  Ambrosiophilus   caliginestris  holotype declivity; R.K. Osborn 

Ambrosiophilus caliginestris holotype declivity; R.K. Osborn 


  Ambrosiophilus   caliginestris  holotype frontal; R.K. Osborn 

Ambrosiophilus caliginestris holotype frontal; R.K. Osborn 


Taxonomic history

Ambrosiophilus caliginestris 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
): 58.

Diagnosis

2.9−3.1 mm long (mean = 3.0 mm; n = 2); 2.42−2.58 times as long as wide. This species is distinguished by all declivitaldeclivital:
pertaining to the elytral declivity
interstriae granulategranulate:
pertaining to a coarse, grainy surface texture
along the entireentire:
without marginal teeth or notches
length; pronotumpronotum:
the dorsal surface of the thorax
from laterallateral:
pertaining to the side
view tall (type 2); declivitaldeclivital:
pertaining to the elytral declivity
striae 1 weakly impressedimpressed:
a depression in a surface
; declivitaldeclivital:
pertaining to the elytral declivity
interstriae moderately and uniformly granulategranulate:
pertaining to a coarse, grainy surface texture
, granulesgranule:
a small rounded protuberance, like grains of sand
spaced by a distance of 4 diameters of a granulegranule:
a small rounded protuberance, like grains of sand
; interstrial setaeseta:
small hair-like or scale-like structure
long, hair-like; and moderate size.

May be confused with

Ambrosiophilus atratus, A. satoi, and A. sulcatus

Distribution

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:

COI: OP617771

CAD: OP607200