Unixenus Jones, 1944

Huynh, Cuong & Likhitrakarn, Natdanai, 2023, First records of penicillate millipedes (Diplopoda, Polyxenidae) from Thailand, with descriptions of two new species, Zootaxa 5383 (4), pp. 514-536 : 525-526

publication ID	https://doi.org/ 10.11646/zootaxa.5383.4.5
publication LSID	lsid:zoobank.org:pub:561FC60D-6349-4518-B8AC-88BEE3707E7C
DOI	https://doi.org/10.5281/zenodo.10391637
persistent identifier	https://treatment.plazi.org/id/A73087BC-5703-E576-73E2-29D7686AAE73
treatment provided by	Plazi
scientific name	Unixenus Jones, 1944
status

Treatment

Genus Unixenus Jones, 1944 View in CoL

Monoxenus Jones, 1937: 138 View in CoL ; Silvestri 1948: 216.

Unixenus Jones, 1944: 94 View in CoL ; Nguyen Duy-Jacquemin & Condé 1967: 68.

Type species. Unixenus padmanabhai ( Jones, 1937)

Generic diagnosis: The genus can be distinguished from other polyxenid genera by the following character combination: Antennomere VI with three thick bacilliform sensilla, a setiform sensillum between two thick bacilliform sensilla anteriorly, a conical sensillum located posteriorly. Labral surface with spherical papillae gradually reducing in size toward posterior margin. Lateral palp of gnathochilarium with 13 conical sensilla, and 1.5–2.5 times longer than medial palp. Tergal trichomes: two or more rows in two latero-posterior clusters on each side of midline, with central gap. Anterior row often uneven, intermediate rows rarely in defined rows, and posterior rows of trichome sockets continuous or with a medial gap. Tarsus 2 with setiform seta.

Species included: 14 described species.

Unixenus padmanabhai Jones, 1937 ( India);

Unixenus broelemanni Condé & Jacquemin, 1962 View in CoL ( Madagascar);

Unixenus vuillaumei Condé & Terver, 1963 View in CoL ( Ivory Coast);

Unixenus mjoebergi Verhoeff, 1924 View in CoL ( Australia);

Unixenus attemsi Nguyen Duy-Jacquemin & Condé, 1967 View in CoL ( Australia);

Unixenus corticolus Short & Huynh, 2011 View in CoL ( Australia);

Unixenus karajinensis Short & Huynh, 2011 View in CoL ( Australia);

Unixenus barrabaensis Short & Huynh, 2013 ( Australia);

Unixenus carnarvonensis Short & Huynh, 2013 ( Australia);

Unixenus corringlensis Short & Huynh, 2013 ( Australia);

Unixenus myallensis Short & Huynh, 2013 ( Australia);