Arixyleborus minor

Taxonomic history

Xyleboricus minor Eggers, 1940: 134.

Arixyleborus minor (Eggers): Schedl, 1958c: 145.

Synonyms

Arixyleborus trux Schedl, 1975c: 359. Hulcr and Cognato, 2013: 47.

Diagnosis

1.2−1.4 mm long (mean = 1.28 mm; n = 5); 3.0−3.5 times as long as wide. This species is distinguished by its minute size; 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 as broad as tall; pronotumpronotum:
the dorsal surface of the thorax
laterallateral:
pertaining to the side
margin oblique; pronotumpronotum:
the dorsal surface of the thorax
anterioranterior:
the front or forward; opposite of posterior
margin without serrations; posterolateralposterolateral:
relating to end of the side part/portion
carinacarina:
an elevated ridge or keel, not necessarily high or acute
acute, carinate; and odd interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
more strongly elevated than even interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
.

May be confused with

Arixyleborus suturalis

Distribution

Indonesia (Java), East & West Malaysia, New Guinea, Taiwan, Thailand

Host plants

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