Arixyleborus tuberculatus
Arixyleborus tuberculatus cotype lateral; R.K. Osborn |
Arixyleborus tuberculatus cotype dorsal; R.K. Osborn |
Arixyleborus tuberculatus cotype declivity; R.K. Osborn |
Arixyleborus tuberculatus cotype frontal; R.K. Osborn |
Taxonomic history
Xyleboricus tuberculatus Eggers, 1940: 133.
Arixyleborus tuberculatus (Eggers): Schedl, 1958c: 145.
Diagnosis
1.5 mm long (mean = 1.5 mm; n = 1); 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; pronotumpronotum:
the dorsal surface of the thorax
laterallateral:
pertaining to the side
margin distinctly costate, nearly carinate; pronotumpronotum:
the dorsal surface of the thorax
anterioranterior:
the front or forward; opposite of posterior
margin elevated with a row of serrations; declivitaldeclivital:
pertaining to the elytral declivity
interstriae except interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
1 denticulatedenticulate:
covered in denticles
; and minute size.
May be confused with
Arixyleborus grandis, A. malayensis, and A. yakushimanus
Distribution
Indonesia (Java, Sumatra), Thailand
Host plants
recorded from Dalbergia and Parkia (Leguminosae), and from Cinchona (Rubiaceae) (Kalshoven 1959bKalshoven 1959b:
Kalshoven LGE. 1959b. Studies on the biology of Indonesian Scolytoidea 4. Data on the habits of Scolytidae. Second part. Tijdschrift voor Entomologie 102: 135-173 + pls. 15-22.)
DNA data
specimens not available for sequencing