Cryptoxyleborus eggersi

Taxonomic history

Cryptoxyleborus eggersi Schedl, 1936c: 60.

Xyleborus eggersianus Schedl, 1960b: 110 (unnecessary new name for X. eggersi (Schedl 1936 not Beeson 1930Beeson 1930:
Beeson CFC. 1930. The biology of the genus Xyleborus , with more new species. Indian Forest Records 14: 209-272.)).

Synonyms

Cryptoxyleborus dryobalanopsis Schedl, 1942a: 184. Bright and Skidmore, 1997: 4, 175.

Diagnosis

3.5−4.4 mm long (mean = 3.85 mm; n = 4); 3.14−3.50 times as long as wide. This species is distinguished by its large size; large and broad mycangial pits on the basalbase:
point or edge closest to the body; opposite of apex
slope of elytra; elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
with a transverse saddle-like depression; interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
bearing strongly hooked tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
from basalbase:
point or edge closest to the body; opposite of apex
third; antennalantennal:
pertaining to the antennae
funicle 4-segmented.

May be confused with

Cryptoxyleborus quadriporus, C. stenographus, and C. turbineus

Distribution

Brunei, Laos, East & West Malaysia, Philippines, Vietnam

Host plants

recorded from Balanocarpus, Dipterocarpus, Dryobalanops and Shorea (Dipterocarpaceae) (Beaver and Hulcr 2008Beaver and Hulcr 2008:
Beaver RA, Hulcr J. 2008. A review of the ambrosia beetle genus Cryptoxyleborus Schedl (Coleoptera, Curculionidae: Scolytinae). The Coleopterists Bulletin 62: 133-153. https://doi.org/10.1649/1026.1)

DNA data

specimens not available for sequencing