Arixyleborus leprosulus


  Arixyleborus leprosulus  lateral; S.M. Smith

Arixyleborus leprosulus lateral; S.M. Smith


  Arixyleborus leprosulus  dorsal; S.M. Smith

Arixyleborus leprosulus dorsal; S.M. Smith


  Arixyleborus leprosulus  declivity; S.M. Smith

Arixyleborus leprosulus declivity; S.M. Smith


  Arixyleborus leprosulus  frontal; S.M. Smith

Arixyleborus leprosulus frontal; S.M. Smith


Taxonomic history

Arixyleborus leprosulus Schedl, 1953b: 300. 

Synonyms

Arixyleborus aralidii Nunberg, 1961: 618. Schedl, 1962b: 699.

Diagnosis

1.9−2.0 mm long (mean = 1.94 mm; n = 5); 2.38−2.5 times as long as wide. This species is distinguished by the protibiaprotibia:
tibia of the first pair of legs
posteriorposterior:
toward the rear end; opposite of anterior
face inflatedinflated:
blown up; distended
and granulate; antennalantennal:
pertaining to the antennae
club broader than tall; posterolateralposterolateral:
relating to end of the side part/portion
carinacarina:
an elevated ridge or keel, not necessarily high or acute
costate to interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
7; elytraelytron:
the two sclerotized forewings of beetles that protect and cover the flight wings
obliquely truncatetruncate:
appearing cut off or suddenly shortened
, boundary between elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
and declivitydeclivity:
downward slope of either the pronotum or elytra
distinct; elytral declivitaldeclivital:
pertaining to the elytral declivity
face without strial furrows and interstrial ridges; declivitaldeclivital:
pertaining to the elytral declivity
interstriae setose, setaeseta:
small hair-like or scale-like structure
long, hair-like, recumbentrecumbent:
pertaining to setae that are flat against the cuticle
, as long as 1.5 strial widths.

May be confused with

Arixyleborus resecans

Distribution

Brunei, West Malaysia, Thailand

Host plants

recorded from Dryobalanops and Shorea (Dipterocarpaceae), Castanopsis (Fagaceae) and Palaquium (Sapotaceae) (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.
)

DNA data

specimens not available for sequencing