Amasa cylindrotomica
Amasa cylindrotomica lateral; W. Sittichaya |
Amasa cylindrotomica dorsal; W. Sittichaya |
Amasa cylindrotomica declivity; W. Sittichaya |
Amasa cylindrotomica frontal; W. Sittichaya |
Taxonomic history
Pseudoxyleborus cylindrotomicus Schedl, 1939b: 40.
Xyleborus cylindrotomicus (Schedl): Schedl, 1942c: 6.
Xylosandrus cylindrotomicus (Schedl): Wood, 1989: 177.
Amasa cylindrotomica (Schedl): Dole and Cognato, 2010: 525.
Synonyms
Xyleborus semitruncatus Schedl, 1942c: 35. Schedl 1951a: 79; Wood 1989: 177.
Xyleborus truncatellus Schedl, 1951a: 79. Kalshoven 1959a: 95.
Xyleborus jucundus Schedl, 1954a: 138 (new name for Xyleborus truncatellus Schedl, 1951 nec Schedl 1949Schedl 1949:
Schedl KE. 1949. Neotropical Scolytoidea. I. 97th Contribution to the morphology and taxonomy of the Scolytoidea (Col). Revista Brasileira de Biologia 9: 261-284.). Kalshoven 1959a: 95.
Diagnosis
2.1 mm long (n = 1); 2.00 times as long as wide (Sittichaya et al. 2019Sittichaya et al. 2019:
Sittichaya W, Smith SM, Beaver RA. 2019. Ten newly recorded species of xyleborine ambrosia beetles (Coleoptera, Curculionidae, Scolytinae, Xyleborini) from Thailand. ZooKeys 862: 109-127. https://doi.org/10.3897/ zookeys.862.34766). This species can be distinguished by its minute size, stout form with the pronotumpronotum:
the dorsal surface of the thorax
approximately as long as the elytra; elytralelytral:
pertaining to the elytra
declivitaldeclivital:
pertaining to the elytral declivity
surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
, dull, glabrousglabrous:
smooth, devoid of vestiture
; and antennalantennal:
pertaining to the antennae
club type 5.
May be confused with
Distribution
Indonesia (Java, Sumatra), Thailand
Host plants
Recorded from Syzygium aromaticum (Myrtaceae) (Sittichaya et al. 2019Sittichaya et al. 2019:
Sittichaya W, Smith SM, Beaver RA. 2019. Ten newly recorded species of xyleborine ambrosia beetles (Coleoptera, Curculionidae, Scolytinae, Xyleborini) from Thailand. ZooKeys 862: 109-127. https://doi.org/10.3897/ zookeys.862.34766).
DNA data
specimens not available for sequencing