Cyclorhipidion vigilans

Taxonomic history

Xyleborus vigilans Schedl, 1939b: 43.

Cyclorhipidion vigilans (Schedl): Wood and Bright, 1992: 704.

Diagnosis

5.5 mm long (mean = 5.50 mm; n = 5); 2.45−2.48 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 the large size; anterioranterior:
the front or forward; opposite of posterior
margin of pronotumpronotum:
the dorsal surface of the thorax
with a short continuously elevated recurved carinacarina:
an elevated ridge or keel, not necessarily high or acute
armed with 4−6 medium sized serrations; declivitaldeclivital:
pertaining to the elytral declivity
interstriae 2 granulategranulate:
pertaining to a coarse, grainy surface texture
; and rounded elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
.

May be confused with

Terminalinus spp.

Distribution

Indonesia (Java), East & West Malaysia, Thailand

Host plants

recorded only from Horsfieldia (Myristicaceae) (Schedl 1939bSchedl 1939b:
Schedl KE. 1939b. Scolytidae and Platypodidae. 47. Beitrag zur Morphologie und Systematik der Scolytoidea. Tijdschrift voor Entomologie 82: 30-53.)

DNA data

specimens not available for sequencing