Amasa schlichii

Taxonomic history

Acanthotomicus truncatus Stebbing, 1907: 40.

Xyleborus schlichii Stebbing, 1914: 592. New name for Xyleborus (Acanthotomicus) truncatus (Stebbing, 1907) nec Erichson 1842Erichson 1842:
Erichson WF. 1842. Beitrag zur Insecten-Fauna von Vandiemensland, mit besonderer Beruuml;cksichtigung der geographischen Verbreitung der Insecten. Archiv fuuml;r Naturgeschichte 8: 83-287, 2 pls. https://doi.org/10.5962/bhl.part.21656.

Amasa schlichi [sic] (Stebbing): Wood, 1989: 169.

Synonyms

Acanthotomicus truncatus Stebbing, 1907: 40. Preoccupied by Erichson 1842Erichson 1842:
Erichson WF. 1842. Beitrag zur Insecten-Fauna von Vandiemensland, mit besonderer Beruuml;cksichtigung der geographischen Verbreitung der Insecten. Archiv fuuml;r Naturgeschichte 8: 83-287, 2 pls. https://doi.org/10.5962/bhl.part.21656.

Xyleborus glaber Eggers, 1930: 185. Wood, 1989: 169.

Xyleborus uniseriatus Eggers, 1936b: 89. Schedl, 1963b: 268.

Xyleborus verax Schedl, 1939b: 43. Kalshoven, 1959a: 95.

Diagnosis

2.9−3.5 mm long (mean = 3.21 mm; n = 10); 2.23−2.54 times as long as wide. The species can be distinguished by the pronotumpronotum:
the dorsal surface of the thorax
appearing basic (type 2) when viewed dorsally, anterioranterior:
the front or forward; opposite of posterior
margin serrate; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
to opalescentopalescent:
iridescent, showing vaying colors
, dull, opaqueopaque:
appearing dull in luster; referring to a surface which reflects little light
; declivitydeclivity:
downward slope of either the pronotum or elytra
glabrous; and declivitaldeclivital:
pertaining to the elytral declivity
interstria 1 granulategranulate:
pertaining to a coarse, grainy surface texture
(typically near apexapex:
point or edge furthest from the body; opposite of base
), interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br /> impressed and bear smaller punctures.
2, 3 unarmed.

May be confused with

Amasa cycloxyster, A. galeoderma, A. resecta, A. versicolor, and A. youlii

Distribution

China (Hong Kong, Yunnan), India (Assam, West Bengal), Indonesia (Java), East & West Malaysia, Thailand, Vietnam

Host plants

apparently polyphagous (Beeson 1961Beeson 1961:
Beeson CFC. 1961. The ecology and control of the forest insects of India and the neighbouring countries. 2nd edition. Government of India, New Delhi, 767 pp., Beaver and Browne 1978Beaver and Browne 1978:
Beaver RA, Browne FG. 1978. The Scolytidae and Platypodidae (Coleoptera) of Penang, Malaysia. Oriental Insects 12: 575-624. https://doi.org/10.1080/00305316.1978.10432538, Maiti and Saha 2004Maiti and Saha 2004:
Maiti PK, Saha N. 2004. Fauna of India and the adjacent countries. Scolytidae: Coleoptera (bark and ambrosia beetles). Vol. 1. Part 1. Zoological Survey of India, Kolkata, 268 pp.)

DNA data

Sequences available for COI and CAD.

COI: MN619810; MN619811; MN619812; MN619813

CAD: MN620110