Cyclorhipidion sisyrnophorum


  Cyclorhipidion sisyrnophorum  lateral; R.K. Osborn

Cyclorhipidion sisyrnophorum lateral; R.K. Osborn


  Cyclorhipidion sisyrnophorum  dorsal; R.K. Osborn

Cyclorhipidion sisyrnophorum dorsal; R.K. Osborn


  Cyclorhipidion sisyrnophorum  declivity; R.K. Osborn

Cyclorhipidion sisyrnophorum declivity; R.K. Osborn


  Cyclorhipidion sisyrnophorum  frontal; R.K. Osborn

Cyclorhipidion sisyrnophorum frontal; R.K. Osborn


Taxonomic history

Xyleborus sisyrnophorus Hagedorn, 1910a: 7.

Cyclorhipidion sisyrnophorum (Hagedorn): Wood and Bright, 1992: 703.

Diagnosis

3.3−4.0 mm long (mean = 3.61 mm; n = 8); 2.2−2.5 times as long as wide. This species is distinguished by the type 5 antennalantennal:
pertaining to the antennae
club which lacks visible sutures on both the anterioranterior:
the front or forward; opposite of posterior
and posteriorposterior:
toward the rear end; opposite of anterior
faces; anterioranterior:
the front or forward; opposite of posterior
margin of pronotumpronotum:
the dorsal surface of the thorax
with a distinct row of five serrations; declivitaldeclivital:
pertaining to the elytral declivity
interstriae 2 granulategranulate:
pertaining to a coarse, grainy surface texture
and stout form.

May be confused with

Cyclorhipidion perpilosellum and C. pruinosum

Distribution

‘Borneo’, India (Andaman Islands), Indonesia (Sumatra), Laos, East & West Malaysia

Host plants

recorded from Dryobalanops (Dipterocarpaceae), Xerospermum (Sapindaceae), and an unidentified species of Burseraceae (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.
, Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.
); presumably polyphagous (Smith et al. 2020bSmith et al. 2020b:
Smith SM, Beaver RA, and Cognato AI. 2020b. A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630
)

DNA data

specimens not available for sequencing