Ambrosiophilus indicus
Ambrosiophilus indicus holotype lateral; R.K. Osborn |
Ambrosiophilus indicus holotype dorsal; R.K. Osborn |
Ambrosiophilus indicus holotype declivity; R.K. Osborn |
Ambrosiophilus indicus holotype frontal; R.K. Osborn |
Taxonomic history
Ambrosiophilus indicus 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): 61.
Diagnosis
2.4 mm long (mean = 2.4 mm; n = 3); 2.67 times as long as wide. This species can be distinguished by declivitaldeclivital:
pertaining to the elytral declivity
interstriae 1 unarmed; interstriae 2 armed by one tubercletubercle:
a small knob-like or rounded protuberance of the exoskeleton
at declivitaldeclivital:
pertaining to the elytral declivity
summit, remainder of interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
2 unarmed; interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
3 with three minute equally spaced tubercles from basebase:
point or edge closest to the body; opposite of apex
to apexapex:
point or edge furthest from the body; opposite of base
; declivitydeclivity:
downward slope of either the pronotum or elytra
weakly bisulcatebisulcate:
pertaining to an elytral declivity with two suci; a sulcus present on each elytron but the suture remains convex
from sutural margin to striaestria:
punctures in rows, which may or may not be impressed to make grooves
2; interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
3 feebly convexconvex:
appearing rounded
; pronotalpronotal:
pertaining to the pronotum
discaldiscal:
pertaining to the disc of either the pronotum or elytra
punctures minute, very fine, widely spaced by 4 diameters of a puncture, surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
; declivitaldeclivital:
pertaining to the elytral declivity
surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
; and small size.
May be confused with
Ambrosiophilus consimilis, A. cristatulus, and A. subnepotulus
Distribution
India (West Bengal)
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