Agathodesmus aenigmaticus
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Ordo: Polydesmida
Familia: Haplodesmidae
Genus: Agathodesmus
Name
Agathodesmus aenigmaticus Mesibov, 2013 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Holotype
Male, Mt Hayward, Qld, 20°19'39"S, 148°45'10"E ±500m, 350 m a.s.l., 20 November 1992, G. Monteith, G. Thompson, D. Cook and H. Janetzki, QM S96017.
Paratypes
8 males, 3 females, 4 stadium 7 males, 2 stadium 7 females, 4 stadium 6 males, 2 stadium 6 females, details as for holotype, QM S96018.
Other material
2 males, Bellenden Ker, Centre Peak, Qld, summit, 17°15'40"S, 145°51'25"E ±500m, 1500 m a.s.l., 11 April 1979, G. Monteith, QM berlesate 17, rainforest, sieved litter, QM S96019.
Diagnostic description
Male and female with head + 20 rings. Colour in alcohol pale yellow. Male/female ca 9.0/10 mm long; ring 12 maximum diameter ca 0.75/0.9 mm, maximum width ca 0.9/1.0 mm. Metatergal tubercles in 8-10 irregular transverse rows, larger tubercles mostly with setae; metatergal setae long, bluntly pointed; 5 lateralmost tubercles slightly enlarged, forming very narrow pseudo-paranotum. Male leg 6 coxa with small, rounded, mediodistal projection. Telopodite (Fig. 6B) with pp straight; at in transverse plane, short, broad and with rounded apex curving posteriorly; dp directed posterobasally at base; mab slightly expanded apically with rounded distal margin, lateral edge with small, tapering, posterolaterally directed lobe, medial edge with short, curved lobe partly protecting meb; meb divided near base into 3 thin, subequal processes curving behind mab.
Distribution
Known from rainforest at two localities ca 450 km apart in north Queensland (Figs 12, 13A; see Remarks).
Name
Latin aenigmaticus, 'puzzling'; adjective (see Remarks).
Remarks
The very wide disjunction between the two known localities is puzzling, and I suspect that the Bellenden Ker locality on the specimen label is incorrect. I have not noticed any differences in gonopod or non-gonopod features between the two populations.
Original Description
- Mesibov, R; 2013: New species of Agathodesmus Silvestri, 1910 from Australia (Diplopoda, Polydesmida, Haplodesmidae) ZooKeys, 325: 33-64. doi
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