Cyclorhipidion perpilosellum

Taxonomic history

Xyleborus perpilosellus Schedl, 1935a: 402.

Cyclorhipidion perpilosellum (Schedl): Wood and Bright, 1992: 701.

Synonyms

Xyleborus punctatopilosus Schedl, 1936b: 532. Bright and Skidmore, 1997: 4, 151.

Diagnosis

2.5−3.0 mm long (mean = 2.74 mm; n = 5); 2.08−2.31 times as long as wide. This species can be distinguished by its very stout body; pronotumpronotum:
the dorsal surface of the thorax
rounded from dorsaldorsal:
of or relating to the upper surface; opposite of ventral
view (type 1); lack of serrationsserration:
row of asperities; a saw-like structure
on pronotumpronotum:
the dorsal surface of the thorax
anterioranterior:
the front or forward; opposite of posterior
margin; and uniseriate row of larrge, sparse tuberclestubercle:
a small knob-like or rounded protuberance of the exoskeleton
on the declivitydeclivity:
downward slope of either the pronotum or elytra
.

May be confused with

Cyclorhipidion pruinosum and C. sisyrnophorum

Distribution

‘Borneo', China (Hainan, Yunnan), India (Arunachal Pradesh), Indonesia (Java), Laos, West Malaysia, New Guinea, Philippines, Thailand, Vietnam

Host plants

recorded from Castanopsis, Lithocarpus, Pasania, and Quercus (Fagaceae), and probably closely associated with that family (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)

Remarks

The gallery system has few branches and small, rather irregular brood chambers in the longitudinal plane (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.).

DNA data

Sequences available for COI and CAD.

COI: HM064077; MN199581; MN199582; MN199583; MN619896

CAD: HM064256; MN199598; MN199599; MN199600; MN620180