Dolistenus, Fanzago, 1874

Recuero, Ernesto & Rodríguez-Flores, Paula C., 2020, A new Mediterranean species of Dolistenus (Diplopoda, Platydesmida, Andrognathidae), with an updated key for the genus and the first contribution for a barcode database of European Platydesmida, Zootaxa 4718 (1), pp. 123-133 : 125

Key to the species of Dolistenus (modified from Mauriès 2015)

1. With transverse median furrow in metazonites.............................................................. 2

- Without transverse median furrow in metazonites............................................................ 3

2. Metazonites broad, about 2.5–3 times as long as wide (excluding paranota) ( Fig. 4b ). Transverse furrow clearly interrupted dorsomedially ( Fig. 4b ). Color in life yellow ( Fig. 1b )....................................... D. savii Fanzago, 1874

- Metazonites narrow, about 2 times as long as wide (excluding paranota) ( Fig. 4a ). Transverse furrow barely interrupted dorsomedially ( Fig. 4a ). Color in life pink to reddish brown ( Fig. 1a )............................... D. garciaparisi sp. nov.

3. Lateral borders of paranota almost parallel. Medial process of sternite long and thin......... D. humicolus ( Verhoeff, 1926)

- Lateral borders of paranota divergent, wider in the posterior edge ( Fig. 4c ). Medial process of sternite robust and clavate ( Fig. 5c )........................................................................... D. iberoalbus Mauriès, 2015

Figures

FIGURE 1. Habitus in vivo: a) Dolistenus garciaparisi sp. nov. from Alcossebre, Castellón Province, Spain; b) Dolistenus savii from San Fratello, Messina Province, Sicily; c) Dolistenus iberoalbus from Avión, Ourense Province, Spain.

FIGURE 4. SEM pictures of mid-body rings in dorsal view and antero-posterior orientation: a) male paratype of Dolistenus garciaparisi sp. nov. from El Refugio, Benicassim, Castellón, Spain (MNCN); b) male of Dolistenus savii from San Fratello, Messina Province, Sicily (MNCN); c) male of Dolistenus iberoalbus from Avión, Ourense Province, Spain (MNCN). The arrows indicate the transverse furrow.

FIGURE 5. SEM pictures of the gonopods in situ: a) male paratype of Dolistenus garciaparisi sp. nov. from El Refugio, Benicassim, Castellón, Spain (MNCN); b) penultimate male of Dolistenus savii from San Fratello, Messina Province, Sicily (MNCN); c) male of Dolistenus iberoalbus from Avión, Ourense Province, Spain (MNCN).