Cryptoxyleborus subnaevus


  Cryptoxyleborus subnaevus  lateral; R.K. Osborn

Cryptoxyleborus subnaevus lateral; R.K. Osborn


  Cryptoxyleborus subnaevus  dorsal; R.K. Osborn

Cryptoxyleborus subnaevus dorsal; R.K. Osborn


  Cryptoxyleborus subnaevus  declivity; R.K. Osborn

Cryptoxyleborus subnaevus declivity; R.K. Osborn


  Cryptoxyleborus subnaevus  frontal; R.K. Osborn

Cryptoxyleborus subnaevus frontal; R.K. Osborn


Taxonomic history

Cryptoxyleborus subnaevus Schedl, 1937a: 552

Diagnosis

2.2−2.7 mm long (mean = 2.46 mm; n = 5); 3.29−4.17 times as long as wide. This species can be distinguished by the pair of subcircular mycangial pits close to the scutellumscutellum:
a shield-like sclerotized plate located at the midpoint of the elytral base 
on the dorsaldorsal:
of or relating to the upper surface; opposite of ventral
elytral surface; antennalantennal:
pertaining to the antennae
funicle 4-segmented; and attenuateattenuate:
gradually tapering apically
elytral apexapex:
point or edge furthest from the body; opposite of base
.

May be confused with

Cryptoxyleborus barbieri

Distribution

Australia, 'Borneo', Brunei, India (Kerala), Indonesia (Kalimantan, Sumatra), Laos, East & West Malaysia, Myanmar, New Guinea, Philippines, Thailand, Vietnam

Host plants

recorded from Dipterocarpus, Dryobalanops, Pentacme 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