Webbia duodecimspinata

Taxonomic history

Webbia 12-spinatus [sic] Schedl, 1942a: 182.

Diagnosis

3.1−3.5 mm long (mean = 3.27 mm; n = 5); 2.6−2.92 times as long as wide. This species is distinguished by the entireentire:
without marginal teeth or notches
circumdeclivital margin armed by the margin of elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
with 6 spinesspine:
an elongate projection of the exoskeleton that is longer than its basal width
on each side, lacking teeth on interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2, 4 and 5, or these teeth much smaller than others; declivitaldeclivital:
pertaining to the elytral declivity
face with a single vermiculate ridge on each side and a row of tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
laterallateral:
pertaining to the side
to it.

May be confused with

Webbia dipterocarpi, W. quatuordecimspinata, and W. trigintispinata

Distribution

West Malaysia, Thailand

Host plants

associated with Dipterocarpaceae (Dipterocarpus, Hopea, Shorea) (Beaver and Browne 1978Beaver and Browne 1978:
Beaver RA, Browne FG. 1978. The Scolytidae and Platypodidae (Coleoptera) of Penang, Malaysia. Oriental Insects 12: 575-624. https://doi.org/10.1080/00305316.1978.10432538, Beaver et al. 2014Beaver et al. 2014:
Beaver RA, Sittichaya W, Liu L-Y. 2014. A synopsis of the scolytine ambrosia beetles of Thailand (Coleoptera: Curculionidae: Scolytinae). Zootaxa 3875: 1-82. http://dx.doi.org/10.11646/zootaxa.3875.1.1)

Remarks

A brood of 107 offspring is recorded by Beaver and Browne (1978).

DNA data

specimens not available for sequencing