Xyleborus muticus Blandford, 1894

Smith, Sarah M., Beaver, Roger A. & Cognato, Anthony I., 2020, A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China, ZooKeys 983, pp. 1-442 : 1

publication ID	https://dx.doi.org/10.3897/zookeys.983.52630
publication LSID	lsid:zoobank.org:pub:7DED4CE2-934C-4539-945F-758930C927F9
persistent identifier	https://treatment.plazi.org/id/1050811D-9E92-7C6E-6731-555718EA7750
treatment provided by	ZooKeys by Pensoft
scientific name	Xyleborus muticus Blandford, 1894
status

Treatment

Xyleborus muticus Blandford, 1894 Fig. 89G, H, L View Figure 89

Xyleborus muticus Blandford, 1894b: 112.

Xyleborus lignographus Schedl, 1953c: 28. syn. nov.

Xyleborus conditus Schedl, 1971b: 379. syn. nov.

Type material.

Holotype Xyleborus muticus (NHMUK), paratype (NHMUK). Holotype Xyleborus conditus (NHMW). Lectotype Xyleborus lignographus (NHMW).

Diagnosis.

3.0-3.1 mm long (mean = 3.08 mm; n = 4); 2.72-2.82 × as long as wide. This species is distinguished by the antennal club distinctly wider than long; protibiae with evenly rounded outer edge; elytral posterolateral costa absent, replaced by a short row of tubercles; declivity lightly shagreened, strial punctures large, deep and distinct; and discal interstrial setae uniseriate.

Similar species.

Xyleborus sunisae .

Distribution.

China (Fujian, Sichuan), India (Uttar Pradesh), Japan (Honshu, Kyushu), Nepal, South Korea, Vietnam.

Host plants.

This species has been recorded from Quercus ( Fagaceae ) and Prunus ( Rosaceae ) ( Murayama 1954).

Remarks.

The holotypes of X. muticus and X. conditus and the lectotype of X. lignographus were directly compared. All three specimens were found to be conspecific with minor variations observed in the numbers of setae remaining on the specimens and numbers of granules on the declivital interstriae. Xyleborus conditus and X. lignographus are here placed in synonymy with X. muticus .

Wood and Bright (1992) erroneously reported this species from ' Pinus maximowiczii '. Murayama (1954) reported the species from Prunus maximowiczii , Korean cherry, thus the record from Pinus is incorrect.