Webbia dipterocarpi


  Webbia dipterocarpi  holotype lateral; R.K. Osborn

Webbia dipterocarpi holotype lateral; R.K. Osborn


  Webbia dipterocarpi  holotype dorsal; R.K. Osborn

Webbia dipterocarpi holotype dorsal; R.K. Osborn


  Webbia dipterocarpi  holotype declivity; R.K. Osborn

Webbia dipterocarpi holotype declivity; R.K. Osborn


  Webbia dipterocarpi  holotype frontal; R.K. Osborn

Webbia dipterocarpi holotype frontal; R.K. Osborn


Taxonomic history

Webbia dipterocarpi Hopkins, 1915b: 223.

Synonyms

Webbia octodecimspinatus Sampson, 1921: 32. Wood, 1983: 650.

Diagnosis

3.0−3.2 mm long (mean = 3.12 mm; n = 5); 2.73−2.91 times as long as wide. This species is distinguished by the margin of elytralelytral:
pertaining to the elytra
declivty with 9−10 teeth on each side; declivitaldeclivital:
pertaining to the elytral declivity
face with a weak ridge on interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
1, and two 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)
matt on posteriorposterior:
toward the rear end; opposite of anterior
quarter.

May be confused with

Webbia duodecimspinata, W. quatuordecimspinata, and W. trigintispinata

Distribution

East & West Malaysia, Philippines, Thailand, Vietnam

Host plants

associated with Dipterocarpaceae (Dipterocarpus, Dryobalanops, Hopea, Shorea, Vatica) (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.
, 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
, 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.
); recorded once each from Bridelia and Macaranga (Euphorbiaceae) (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.
)

Remarks

Browne (1961b) gives some details of the biology and development period.

DNA data

Sequences available for COI and CAD.

COI: HM064104

CAD: HM064285