Atrophotergum wurrawurraense, Mesibov, Robert, 2004

Mesibov, Robert, 2004, A new genus of millipedes (Diplopoda: Polydesmida: Dalodesmidae) from Tasmania, Australia with a mosaic distribution, Zootaxa 480, pp. 1-23 : 15-16

publication ID

https://doi.org/ 10.5281/zenodo.157291

publication LSID

lsid:zoobank.org:pub:7F47FE58-8982-4913-A4C6-705EF7EBB4F4

DOI

https://doi.org/10.5281/zenodo.6269258

persistent identifier

https://treatment.plazi.org/id/F92787AB-8754-FFB7-8626-FAB9FE52AFCE

treatment provided by

Plazi

scientific name

Atrophotergum wurrawurraense
status

sp. nov.

Atrophotergum wurrawurraense View in CoL n. sp.

Figs. 4, 11 View FIGURE 11 ; map Fig. 12 View FIGURE 12

Holotype: Male, Browns Creek, Tasmania, DQ698408 (41°11’00”S, 146°38’23”E), 40m, 26.vii.1997, R. Mesibov, QVM 23:25428.

Paratypes: 1 male, Gum Scrub Creek, DQ653268 (41°18’33”S, 146°35’07”E), 140m, 2.ix.1997, R. Mesibov, AM KS87139 (formerly QVM 23:25429); 1 male, Long Hill, DQ589182 (41°23’11”S, 146°30’30”E), 260m, 19.ix.1997, R. Mesibov, QVM 23:25431.

Other material examined: 7 males. See Appendix for details.

Diagnosis: Distinguished from other Atrophotergum spp. by its smaller size and by the unique form of the gonopod.

Description: As for genus. Males 6–7 mm long, 0.4–0.5 mm in maximum vertical diameter. In alcohol, most specimens are pale with reddish antennae.

Gonopod telopodite ( Fig. 11 View FIGURE 11 ) not curved. SF arising more basally on the telopodite than in other Atrophotergum spp. Solenomerite a strap­like process curving laterally but not posteriorly, divided into an anterior branch containing the terminus of the prostatic groove and a much shorter branch arising posteromesally; both branches with roughened surfaces. PDC bluntly projecting distally, with basally a short, flattened process projecting laterally; PBC curving laterally and distally. TT bent posteriorly but not laterally, its tip nearly reaching distally as far as the distal projection of the PDC. MES a narrow, pointed, rod­like process parallel to the long axis of the telopodite, terminating distally at a level between the LES corners. LES very deeply folded with the anterior corner lateral and slightly distal to the posterior corner.

Anterior sternal process on somite 17 ( Fig. 4 F) a low eminence, excavated ventrally and mesally; the anterior portion of the posterior sternal process a low ridge, excavated ventrally and mesally; the posterior portion of the posterior process a short, finger­like structure directed ventrally and posteriorly.

Distribution and habitat: Known from eight localities over ca. 400 km 2 in north central Tasmania; in leaf and woody litter in dry and wet eucalypt forest from ca. 50–300 m ( Fig. 12 View FIGURE 12 ).

Etymology: Referring to the Wurra Wurra Hills, where the range of this species seems to be centered.

QVM

Queen Victoria Museum

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