Pachyiulini gen. sp. 2

Evsyukov, Aleksandr P., Golovatch, Sergei I. & Antic, Dragan Z., 2021, The millipede genera Amblyiulus Silvestri, 1896 and Syrioiulus Verhoeff, 1914 in the Caucasus, with notes on their distributions (Diplopoda, Julida, Julidae), ZooKeys 1048, pp. 109-143 : 109

Pachyiulini gen. sp. 2

Fig. 16

Material examined.

Georgia: 1 ♀ (ZMUM), Ajaria, Kintrish Nature Reserve, Zeraboseli , 450-600 m a.s.l., 1-3.VI.1981, leg. S. Golovatch, J. Martens ; 1 ♀ (ZMUM), same locality, 800 m a.s.l., Rhododendron thicket, litter, 13.X.1981, leg. S. Golovatch ; 1 ♀ (ZMUM), same locality, valley of Khekpara River , 12.X.1984, leg. E. Kvavadze.

Brief description.

Body greyish yellow. Head, collum, a few postcollum rings and telson slightly lighter than other body rings. Ommatidia and frontal setae absent. Collum and each metazona of following rings with a whorl of long setae at posterior margin. Epiproct undeveloped. Anal valves densely setose.

Remarks.

These specimens differ from Syrioiulus adsharicus in the absence of frontal setae and ommatidia. The absence of males makes it impossible to definitively identify the above samples. At least the taxonomic significance of frontal setae must not be overestimated, as they may be present or absent even within the same species, e.g., S. aharonii (see Golovatch 2018).

Since the two unidentified species may well prove to represent Amblyiulus or Syrioiulus , we map their records in Figure 16 , but omit them from the key below.

Figures

Figure 16. Distributions of Amblyiulus and Syrioiulus species in the Caucasus: red circle A. georgicus Lohmander, 1932; green circle A. hirtus sp. nov.; white circle S. adsharicus (Lohmander, 1936); blue circle S. continentalis (Attems, 1903); pink circle S. taliscius (Attems, 1927); brown circle S. armeniacus sp. nov.; yellow square Pachyiulini gen. sp. 1; purple square Pachyiulini gen. sp. 2.