Fraudatrix simplex


  Fraudatrix simplex  lateral; R.K. Osborn

Fraudatrix simplex lateral; R.K. Osborn


  Fraudatrix simplex  dorsal; R.K. Osborn

Fraudatrix simplex dorsal; R.K. Osborn


  Fraudatrix simplex  declivity; R.K. Osborn

Fraudatrix simplex declivity; R.K. Osborn


  Fraudatrix simplex  frontal; R.K. Osborn

Fraudatrix simplex frontal; R.K. Osborn


Taxonomic history

Cryptoxyleborus simplex Browne, 1949: 902.

Webbia simplex (Browne): Wood and Bright, 1992: 833.

Cryptoxyleborus simplex Browne: Bright and Skidmore, 1997: 5, 176.

Fraudatrix simplex (Browne): Cognato et al. 2020a: 546.

Diagnosis

1.75−2.0 mm long (mean = 1.92 mm; n = 5); 3.08−3.33 times as long as wide. This species is distinguished by the anterioranterior:
the front or forward; opposite of posterior
margin of the pronotumpronotum:
the dorsal surface of the thorax
subquadrate, short semi-recumbentsemi-recumbent:
pertaining to setae that are in between erect and recumbent, usually at a 45 degree angle
interstrial setaeseta:
small hair-like or scale-like structure
and minute size.

May be confused with

Cryptoxyleborus confusus and C. percuneolus

Distribution

Brunei, Indonesia (Sumatra), East & West Malaysia, Thailand

Host plants

recorded from Dipterocarpus, Dryobalanops, Hopea, 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
)

Remarks

Browne (1961b) notes that brood size can exceed 50.

DNA data

specimens not available for sequencing