Webbia trigintispinata

Taxonomic history

Webbia 30-spinatus [sic] Sampson, 1922: 149.

Synonyms

Webbia 26-spinatus [sic] Sampson, 1922: 149. Browne, 1963: 57.

Webbia mucronatus Eggers, 1927: 107. Smith et al. 2020b: 330.

Diagnosis

3.0 mm long (mean = 3.0 mm; n = 5); 3.0 times as long as wide. This species is distinguished by the margin of elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
with 13‒15 teeth on each side; declivitaldeclivital:
pertaining to the elytral declivity
face with the vermiculate ridge on interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
1 strongly raised in middle of declivitydeclivity:
downward slope of either the pronotum or elytra
, and with 3 or 4 rows of tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
laterallateral:
pertaining to the side
to it; and elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
shining to upper margin of declivitydeclivity:
downward slope of either the pronotum or elytra
, apart from grooves between marginal teeth.

May be confused with

Webbia dipterocarpi, W. duodecimspinata, and W. quatuordecimspinata

Distribution

Cambodia, India (Andaman Is, Assam), Indonesia (Sumatra), East & West Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam

Host plants

associated with Dipterocarpaceae (Dipterocarpus, Dryobalanops, Hopea, Shorea) (Beeson 1961Beeson 1961:
Beeson CFC. 1961. The ecology and control of the forest insects of India and the neighbouring countries. 2nd edition. Government of India, New Delhi, 767 pp., Ohno 1990Ohno 1990:
Ohno S. 1990. The Scolytidae and Platypodidae (Coleoptera) from Borneo found in logs at Nagoya port 1. Research Bulletin of the Plant Protection Service, Japan 26: 83-94.)

DNA data

specimens not available for sequencing